WO2000053710A1 - Compositions de detergents - Google Patents
Compositions de detergents Download PDFInfo
- Publication number
- WO2000053710A1 WO2000053710A1 PCT/US1999/005065 US9905065W WO0053710A1 WO 2000053710 A1 WO2000053710 A1 WO 2000053710A1 US 9905065 W US9905065 W US 9905065W WO 0053710 A1 WO0053710 A1 WO 0053710A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- zeolite
- particle size
- acid
- alkyl
- detergent composition
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 157
- 239000003599 detergent Substances 0.000 title claims abstract description 121
- 239000002245 particle Substances 0.000 claims abstract description 139
- 239000010457 zeolite Substances 0.000 claims abstract description 110
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 108
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 96
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- -1 percarbonate compound Chemical class 0.000 claims description 101
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 42
- 239000004615 ingredient Substances 0.000 claims description 22
- 239000003945 anionic surfactant Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 12
- 239000004927 clay Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002655 kraft paper Substances 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 description 64
- 150000001875 compounds Chemical class 0.000 description 63
- 239000007844 bleaching agent Substances 0.000 description 51
- 239000002243 precursor Substances 0.000 description 49
- 125000000217 alkyl group Chemical group 0.000 description 48
- 125000004432 carbon atom Chemical group C* 0.000 description 44
- 150000003839 salts Chemical class 0.000 description 34
- 239000002253 acid Substances 0.000 description 31
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 30
- 150000004965 peroxy acids Chemical class 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 102000004190 Enzymes Human genes 0.000 description 21
- 108090000790 Enzymes Proteins 0.000 description 21
- 229940088598 enzyme Drugs 0.000 description 21
- 239000000463 material Substances 0.000 description 21
- 239000011734 sodium Substances 0.000 description 20
- 239000002518 antifoaming agent Substances 0.000 description 19
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 18
- 229910052708 sodium Inorganic materials 0.000 description 18
- 239000000975 dye Substances 0.000 description 16
- 229920001296 polysiloxane Polymers 0.000 description 16
- 125000000129 anionic group Chemical group 0.000 description 15
- 235000014113 dietary fatty acids Nutrition 0.000 description 15
- 239000000194 fatty acid Substances 0.000 description 15
- 229930195729 fatty acid Natural products 0.000 description 15
- 229920001577 copolymer Polymers 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 150000007513 acids Chemical class 0.000 description 13
- 150000001412 amines Chemical class 0.000 description 13
- 125000002091 cationic group Chemical group 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 13
- 150000004665 fatty acids Chemical class 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 13
- 239000012190 activator Substances 0.000 description 12
- 229910052783 alkali metal Inorganic materials 0.000 description 12
- 150000008051 alkyl sulfates Chemical group 0.000 description 12
- 229910000323 aluminium silicate Inorganic materials 0.000 description 12
- 239000003352 sequestering agent Substances 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 11
- 229920005646 polycarboxylate Polymers 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 125000001183 hydrocarbyl group Chemical group 0.000 description 10
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 9
- 108090001060 Lipase Proteins 0.000 description 9
- 239000004367 Lipase Substances 0.000 description 9
- 102000004882 Lipase Human genes 0.000 description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- 239000003093 cationic surfactant Substances 0.000 description 9
- 229960004106 citric acid Drugs 0.000 description 9
- 229910001385 heavy metal Inorganic materials 0.000 description 9
- 235000019421 lipase Nutrition 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 229920001223 polyethylene glycol Polymers 0.000 description 9
- 229910052700 potassium Inorganic materials 0.000 description 9
- 239000011591 potassium Substances 0.000 description 9
- 239000000344 soap Substances 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 8
- 125000004429 atom Chemical group 0.000 description 8
- 150000001768 cations Chemical class 0.000 description 8
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 8
- 229920000620 organic polymer Polymers 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 150000001340 alkali metals Chemical class 0.000 description 7
- 125000002877 alkyl aryl group Chemical group 0.000 description 7
- 150000001450 anions Chemical class 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- JPZROSNLRWHSQQ-UHFFFAOYSA-N furan-2,5-dione;prop-2-enoic acid Chemical compound OC(=O)C=C.O=C1OC(=O)C=C1 JPZROSNLRWHSQQ-UHFFFAOYSA-N 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 7
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 7
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 7
- 239000002736 nonionic surfactant Substances 0.000 description 7
- 239000002304 perfume Substances 0.000 description 7
- 235000021317 phosphate Nutrition 0.000 description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 7
- 241000894007 species Species 0.000 description 7
- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical compound CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 description 7
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 6
- 108010065511 Amylases Proteins 0.000 description 6
- 102000013142 Amylases Human genes 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 6
- 125000003342 alkenyl group Chemical group 0.000 description 6
- 125000002947 alkylene group Chemical group 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 238000004061 bleaching Methods 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 6
- 150000004967 organic peroxy acids Chemical class 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- RKCAIXNGYQCCAL-UHFFFAOYSA-N porphin Chemical compound N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 RKCAIXNGYQCCAL-UHFFFAOYSA-N 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 239000003826 tablet Substances 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- 108091005804 Peptidases Proteins 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 150000007942 carboxylates Chemical class 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000011976 maleic acid Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 5
- 150000004032 porphyrins Chemical group 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- VKZRWSNIWNFCIQ-UHFFFAOYSA-N 2-[2-(1,2-dicarboxyethylamino)ethylamino]butanedioic acid Chemical compound OC(=O)CC(C(O)=O)NCCNC(C(O)=O)CC(O)=O VKZRWSNIWNFCIQ-UHFFFAOYSA-N 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 4
- TTZMPOZCBFTTPR-UHFFFAOYSA-N O=P1OCO1 Chemical compound O=P1OCO1 TTZMPOZCBFTTPR-UHFFFAOYSA-N 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 4
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 150000004996 alkyl benzenes Chemical class 0.000 description 4
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 4
- 235000019418 amylase Nutrition 0.000 description 4
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 230000002366 lipolytic effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 235000019832 sodium triphosphate Nutrition 0.000 description 4
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000003381 solubilizing effect Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- 239000003760 tallow Substances 0.000 description 4
- 239000002888 zwitterionic surfactant Substances 0.000 description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 3
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical class ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 3
- 108010056079 Subtilisins Proteins 0.000 description 3
- 102000005158 Subtilisins Human genes 0.000 description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 239000002280 amphoteric surfactant Substances 0.000 description 3
- 229940025131 amylases Drugs 0.000 description 3
- 229940077388 benzenesulfonate Drugs 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001860 citric acid derivatives Chemical class 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 3
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 150000003949 imides Chemical class 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000011872 intimate mixture Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000001630 malic acid Substances 0.000 description 3
- 235000011090 malic acid Nutrition 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000609 methyl cellulose Polymers 0.000 description 3
- 239000001923 methylcellulose Substances 0.000 description 3
- 235000010981 methylcellulose Nutrition 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000006384 oligomerization reaction Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 3
- 229940045872 sodium percarbonate Drugs 0.000 description 3
- 239000013042 solid detergent Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- 239000011975 tartaric acid Substances 0.000 description 3
- 235000002906 tartaric acid Nutrition 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 3
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 3
- 238000005809 transesterification reaction Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 3
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 2
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- YGUMVDWOQQJBGA-VAWYXSNFSA-N 5-[(4-anilino-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]-2-[(e)-2-[4-[(4-anilino-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound C=1C=C(\C=C\C=2C(=CC(NC=3N=C(N=C(NC=4C=CC=CC=4)N=3)N3CCOCC3)=CC=2)S(O)(=O)=O)C(S(=O)(=O)O)=CC=1NC(N=C(N=1)N2CCOCC2)=NC=1NC1=CC=CC=C1 YGUMVDWOQQJBGA-VAWYXSNFSA-N 0.000 description 2
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 108010059892 Cellulase Proteins 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
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- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- XCRBXWCUXJNEFX-UHFFFAOYSA-N peroxybenzoic acid Chemical class OOC(=O)C1=CC=CC=C1 XCRBXWCUXJNEFX-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 125000005342 perphosphate group Chemical group 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- RRCSSMRVSNZOFR-UHFFFAOYSA-N phenyl 3,5,5-trimethylhexanoate;sodium Chemical compound [Na].CC(C)(C)CC(C)CC(=O)OC1=CC=CC=C1 RRCSSMRVSNZOFR-UHFFFAOYSA-N 0.000 description 1
- ZRXJXIVOMZDPKQ-UHFFFAOYSA-N phenyl 6-(nonanoylamino)hexanoate Chemical compound CCCCCCCCC(=O)NCCCCCC(=O)OC1=CC=CC=C1 ZRXJXIVOMZDPKQ-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- IFIDXBCRSWOUSB-UHFFFAOYSA-N potassium;1,3-dichloro-1,3,5-triazinane-2,4,6-trione Chemical compound [K+].ClN1C(=O)NC(=O)N(Cl)C1=O IFIDXBCRSWOUSB-UHFFFAOYSA-N 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- NJKRDXUWFBJCDI-UHFFFAOYSA-N propane-1,1,2,3-tetracarboxylic acid Chemical class OC(=O)CC(C(O)=O)C(C(O)=O)C(O)=O NJKRDXUWFBJCDI-UHFFFAOYSA-N 0.000 description 1
- NJEVMKZODGWUQT-UHFFFAOYSA-N propane-1,1,3,3-tetracarboxylic acid Chemical class OC(=O)C(C(O)=O)CC(C(O)=O)C(O)=O NJEVMKZODGWUQT-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 150000004023 quaternary phosphonium compounds Chemical class 0.000 description 1
- 239000004172 quinoline yellow Substances 0.000 description 1
- 229940051201 quinoline yellow Drugs 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- MSFGZHUJTJBYFA-UHFFFAOYSA-M sodium dichloroisocyanurate Chemical compound [Na+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O MSFGZHUJTJBYFA-UHFFFAOYSA-M 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 description 1
- QSKQNALVHFTOQX-UHFFFAOYSA-M sodium nonanoyloxybenzenesulfonate Chemical compound [Na+].CCCCCCCCC(=O)OC1=CC=CC=C1S([O-])(=O)=O QSKQNALVHFTOQX-UHFFFAOYSA-M 0.000 description 1
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- PYILKOIEIHHYGD-UHFFFAOYSA-M sodium;1,5-dichloro-4,6-dioxo-1,3,5-triazin-2-olate;dihydrate Chemical compound O.O.[Na+].[O-]C1=NC(=O)N(Cl)C(=O)N1Cl PYILKOIEIHHYGD-UHFFFAOYSA-M 0.000 description 1
- ZUFONQSOSYEWCN-UHFFFAOYSA-M sodium;2-(methylamino)acetate Chemical compound [Na+].CNCC([O-])=O ZUFONQSOSYEWCN-UHFFFAOYSA-M 0.000 description 1
- DAPMZWDGZVFZMK-UHFFFAOYSA-N sodium;2-[2-[4-[4-[2-(2-sulfophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonic acid Chemical group [Na].[Na].OS(=O)(=O)C1=CC=CC=C1C=CC1=CC=C(C=2C=CC(C=CC=3C(=CC=CC=3)S(O)(=O)=O)=CC=2)C=C1 DAPMZWDGZVFZMK-UHFFFAOYSA-N 0.000 description 1
- RPQSWSMNPBZEHT-UHFFFAOYSA-M sodium;2-acetyloxybenzenesulfonate Chemical compound [Na+].CC(=O)OC1=CC=CC=C1S([O-])(=O)=O RPQSWSMNPBZEHT-UHFFFAOYSA-M 0.000 description 1
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 description 1
- KQHKITXZJDOIOD-UHFFFAOYSA-M sodium;3-sulfobenzoate Chemical compound [Na+].OS(=O)(=O)C1=CC=CC(C([O-])=O)=C1 KQHKITXZJDOIOD-UHFFFAOYSA-M 0.000 description 1
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 235000012751 sunset yellow FCF Nutrition 0.000 description 1
- 239000004173 sunset yellow FCF Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000004026 tertiary sulfonium compounds Chemical class 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- QQOWHRYOXYEMTL-UHFFFAOYSA-N triazin-4-amine Chemical class N=C1C=CN=NN1 QQOWHRYOXYEMTL-UHFFFAOYSA-N 0.000 description 1
- 229960003500 triclosan Drugs 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 235000019263 trisodium citrate Nutrition 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
- ASTWEMOBIXQPPV-UHFFFAOYSA-K trisodium;phosphate;dodecahydrate Chemical class O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O ASTWEMOBIXQPPV-UHFFFAOYSA-K 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
- C11D3/126—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in solid compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3942—Inorganic per-compounds
Definitions
- This invention relates to detergents, in particular laundry detergents. More particularly, this invention relates to solid detergents, for example in a granular or tablet form.
- Detergent compositions particularly those for use as laundry detergents are well known.
- a problem associated with detergent products, particularly solid detergent products is their incomplete dissolution or gelling which can lead to residues of detergent in a dispenser drawer or during the wash process which can lead to entrapment of undissolved product on fabrics. This is undesirable as such residues are visible on the fabrics even after drying.
- This problem is exacerbated by the recent trend in the detergent industry towards higher bulk density granular compositions which have a higher content of active ingredients, for example granular detergent compositions having a bulk density of 550g/l or even 600g/l or above.
- zeolite-builders are largely water insoluble and the nature of the zeolite, how it is processed, interactions with other detersive components such as surfactants, carbonates and silicates and the like, may exacerbate the problem of deposition of detergent composition residues on fabrics.
- zeolite builders in detergents.
- US 4000094, US 4264464, JP 08/283799, WO 96/21717 all disclose such detergent compositions, specifying preferred average particle sizes for the zeolite.
- WO 97/34980 relates to providing zeolite particles which give reduced fabrics residues and have an increased liquid carrying capacity.
- this patent application describes modified zeolite powder in which alkali metal silicate is deposited onto Zeolite P having an average weight particle size (50% by weight of the zeolite has a particle size) from 1 - lO ⁇ m.
- US4457854 teaches that particles of spray dried base beads made by spray-drying an aqueous slurry of zeolite and carbonate and then mixed with a water-soluble silicate powder and liquid-form nonionic detergent produce a free-flowing detergent. Fabric residues are said to be reduced by post-addition of the hydrous alkali metal silicate rather than by incorporation of the silicate into the crutcher mix with the zeolite and carbonate.
- the patent also discloses preferred "average ultimate zeolite particle sizes" of below 15 ⁇ m.
- zeolites In practice, although they may have the average particle sizes outlined in the references discussed above, commercially available zeolites have a broad particle size distribution and contain larger particles of zeolite. This may be the case in particular, for highly absorbent zeolites because of the processing conditions for such zeolites .
- Highly absorbent crystalline zeolite is desirable for use in detergent compositions as it permits loading of high levels of surfactant whilst maintaining good detergent flowability. It may be made by a method in which zeolite crystallites are formed and in the formation process are adhered together to form a particle which comprises a cluster of crystallites which has good absorbency. Such a method of preparation is relatively difficult to control so that the particles of zeolite produced tend to be highly irregular in shape and with a wide particle size distribution.
- the present inventors have now found that choosing a specific fraction of absorbent crystalline zeolite gives a surprisingly improved fabric residues performance when used in a detergent composition even using such irregular shaped zeolite crystallites.
- the inventors have surprisingly found that selection of the zeolite based on the average particle size alone does not give this benefit, but that in addition, the presence of larger particles is critical, so that a significant reduction in fabric residues results when a specific fraction of zeolite is selected.
- a detergent composition comprising zeolite characterised in that the zeolite has a dibutylphthalate (DBP) absorption value of at least 68g/100g (as defined herein) and a particle size such that at least 99 wt % of the zeolite has a particle size of 15 ⁇ m or below as measured by Laser Diffraction as defined below and no more than 0.09% by weight of the zeolite has a particle size of 45 ⁇ m or above as defined by the Wet Sieve Test.
- DBP dibutylphthalate
- the zeolite has a particle size in which no more than 0.05% by weight, and most preferably no more than 0.01% by weight of the zeolite has a particle size of 45 ⁇ m or greater.
- the particle size of at least 99 wt % of the zeolite is 0.05 ⁇ m or above, most preferably, 0.1 ⁇ m or greater.
- the inventors believe that the fabric residues are minimised using zeolite in which at least 99 wt % has a particle size of 0.05 ⁇ m, preferably above 0.1 ⁇ m or above because smaller particle size zeolite tends to be caught by fibrils on the surfaces of fabrics in the washing process and then may clump together to form larger particles which lead to fabric residues, trapped on the fabric surface.
- the particle size measurement for determining the proportion of zeolite having a particle size greater than 45 ⁇ m is carried out using a Wet Sieve Test.
- the wet sieve test from a batch of zeolite to be tested, the following test is carried out twice on each sample of zeolite to find the proportion of the zeolite having particle size greater than 45 ⁇ m and the average value of the two samples is calculated. That average value provides the required particle size proportion. If the two values differ by more than 10% of the larger value, the results are discarded and the procedure repeated.
- a lOOg (+/-0.1g) sample of zeolite is placed in a 1000ml beaker with 500ml distilled water.
- the liquid in the beaker is stirred until no residue remains on the bottom of the beaker.
- the contents of the beaker are then emptied onto a 45micron aperture sieve (200mm diameter standard brass or stainless steel sieve). The liquid is not retained.
- Additional distilled water is then poured into the beaker to be mixed with any residues remaining and the rinse water is poured onto the sieve.
- a rinsing step for the sieve is then carried out: a base pan for the sieve is then filled with distilled water and the sieve placed on top of the base pan.
- Extra distilled water is added until the water level is approximately 5-10mm above the mesh level.
- the residue is washed with a gentle swirling action for 2-3 minutes.
- the sieve is then removed and the water in the base pan is examined. If any cloudiness remains the water is discarded and the rinsing step for the sieve repeated. If the water is clear, the sieve is placed in a pre-heated oven at 105+/-2 degrees C for 1 hour. The sieve is then removed from the oven and allowed to cool for 10 minutes +/- 1 minute.
- the residue is then dusted off using a brass wire brush and collected in a pre-weighed petri dish.
- the residue weight is determined as soon as possible (within 2-3 minutes) by weighing on a balance accurate to at least 2 decimal places.
- the weight of the residue (g) is the percentage of zeolite having a particle size greater than 45 microns.
- a Laser Diffraction measurement method is used.
- a Sympatec Laser Diffractor comprising a HELOS/KA central unit with Paradox software system, a QUIXEL liquid dispersion system and a 2mm CUNETTE is used.
- distilled water 500ml of distilled water is placed into an Ultrasonics bath and a sample of zeolite is added.
- the liquid is left in the Ultrasonics bath operating at a frequency of 40KHz for 10 minutes during which time, the ultrasound ensures a substantially homogeneous dispersion of individual particles of zeolite is obtained.
- a sample of the dispersion is removed from the ultrasonics bath and added slowly into 1 litre of distilled water in a QUIXEL until the software indicates that an optimum concentration for measurement has been reached.
- a suitable concentration may be for example, 0.5g/l.
- a 2mm CUNETTE is placed into the QUIXEL and a particle size distribution measurement of the aqueous suspension taken over a 10 second run using a 87.5 ⁇ m lens. This measurement method gives the weight percentage of the sample having particle size of 15 ⁇ m or below.
- DBP di-n-butyl phthalate
- DBP is delivered into the mixing chamber from a LEWA pump, pre-calibrated to deliver DBP at a rate of 2.4ml/min(+/-0.2ml/min) with stirring from the absorptometer at a rate of 125 rpm and the torque during mixing is recorded by the Brabender chart recorder. DBP is added until the maximum torque has been reached. After a further 20-30 seconds to ensure that the saturation point has been exceeded, the Brabender chart recorder is stopped.
- R rate of chart recorder paper (mm/min)
- V average rate of DBP delivery per minute (ml/min) i.e.[(g)DBP delivered in 5mins before run + (g)delivered in 5mins after run]/10
- M mass of sample used (g)
- Preferred DBP values are at least 70g/100g or even at least 75 or 80g/100g.
- Preferred zeolites for use in the present invention have a particle size such that 99wt% of the zeolite has a particle size 0.05 ⁇ m or above, most preferably of 0.1 ⁇ m or above. In order to detect the proportion of particles of such a low particle size, these particles can be measured by Scanning Electron Microscope using stereological interpretation of data as discussed in Computer Assisted Microscopy - The Measurement and Analysis of Images by John C. Russ; Plenum Press, NY and London 1990, Chapter 8 pp. 221-265. In order to obtain zeolites as specified, commercially available materials may be classified in any conventional way, for example using sieves to obtain the appropriate zeolite fraction.
- the inventors have found that it may be particularly useful to ensure that in a one tonne sample of zeolite, the particle size requirements of the claims are met. Such a large sample of zeolite is particularly useful because it is sufficently large that its value is not adversely affected by plant variability.
- Zeolites are crystalline alumino silicates.
- Suitable aluminosilicate zeolites have the unit cell formula Na z [(Al ⁇ 2) z (Si ⁇ 2)y]- XH2O wherein z and y are at least 6; the molar ratio of z to y is from 1.0 to 0.5 and x is at least 5, preferably from 7.5 to 276, more preferably from 10 to 264.
- the aluminosilicate material are in hydrated form and are preferably crystalline, containing from 10% to 28%, more preferably from 18% to 22% water in bound form.
- the aluminosilicate zeolites can be naturally occurring materials, but are preferably synthetically derived. Synthetic crystalline aluminosilicate ion exchange materials are available as Zeolite A, Zeolite B, Zeolite P, Zeolite X, Zeolite HS and mixtures thereof. Zeolites A and X are preferred. Zeolite A which is particularly preferred has the formula Na 12 [AIO2) 12 (Si ⁇ 2)l2J- ⁇ H2 ⁇ , wherein x is from 20 to 30, especially 27. Zeolite X has the formula Nag6 [(AlO2)86( sio 2)l06J- 27 6 H 2 O.
- Zeolite MAP builder is also suitable for use in the present invention.
- Zeolite MAP is described in EP 384070A (Unilever). It is defined as an alkali metal aluminosilicate of the zeolite P type having a silicon to aluminium ratio not greater than 1.33, preferably within the range from 0.9 to 1.33 and more preferably within the range of from 0.9 to 1.2. Of particular interest is zeolite MAP having a silicon to aluminium ratio not greater than 1.15 and, more particularly, not greater than 1.07.
- Zeolite may be present in the detergent compositions of the invention or components thereof in amounts from as low as 1 wt% to as high as 99 wt%. Generally levels of zeolite in the detergent compositions of the invention are at least 2 wt % or at least 5 wt% or even at least 10 or 20 wt%. Generally in the detergent composition, zeolite as specified is present in amounts no greater than 80 wt%, or no greater than 50 wt%, or even in amounts no greater than 40wt%.
- the specified zeolite may be incorporated into the detergent composition as a dry added particle material either directly in the particle size specified or as a larger particle for example from 100 to 1500 microns, formed from the specified particle size zeolite and binder.
- Suitable binders include other detergent ingredients and binders conventional in the detergent field such as polymeric materials for example based on maleic acid and/or acrylic acid monomers, polyalkylene glycols such as PEG, or hydratable salts or acids of such salts, such as citric acid or alkali metal silicates or alkali metal carbonates.
- the zeolite will comprise up to 99 wt% of the particle, generally from at least 90wt % of the dry-added particle.
- Such larger particle size zeolite-based granules generally contain at least 60 wt% zeolite.
- zeolite of the specified particle size undergoes a detergent processing step with one or more additional detergent ingredients, such as other builder components and/or surfactants to form a particulate detergent .
- the particulate detergent component containing the specified zeolite generally contains up to 80 wt%, or more usually up to 70 wt% or even up to 60 wt% of the particulate detergent component.
- the zeolite is present as a particulate detergent composition comprising cationic surfactant.
- zeolite is present as a particulate detergent composition comprising anionic surfactant or anionic and cationic surfactant.
- Suitable anionic surfactants are described below in the section entitled Surfactants and include alkyl benzene sulphonates. Particularly preferred anionic surfactants are those having a Kraft temperature of 45 °C or below or of 40°C or below.
- the zeolite is incorporated into the detergent composition via a spray-dried particle. Such particles preferably contain at least 15 wt% surfactant, or at least 20 wt% or even greater than 25 wt% surfactant.
- the surfactant may be anionic, cationic, nonionic, amphoteric or zwitterionic or mixtures thereof as described below.
- the spray-dried particles may also contain alkali metal silicate so that the zeolite and alkali metal silicate are both added into the crutcher mix and are spray-dried together. Therefore, in accordance with a process of the present invention, zeolite of the specified particle size and absorbency is mixed with additional detergent ingredients to form a crutcher slurry which is spray dried, the spray dried powder is then mixed with additional detergent ingredients to form a granular detergent which is optionally compressed into a tablet.
- Optional binders may be included at any stage of the process.
- the specified zeolite is incorporated into the detergent composition via an agglomerate.
- the zeolite can be agglomerated with other detergent ingredients in conventional ways, retaining its high absorbency properties and also producing products with superior fabric residues performance. Agglomeration processes may be as described in any of the following patent applications: EP-A-367 339, EP-A-420 317 and EP-A-506 184.
- the particulate detergent components produced may be mixed with additional detergent ingredients and optionally compressed into tablets.
- Optional binders may be included at any stage in the process.
- the zeolite may be incorporated into the detergent compositions of the invention via an extrudate.
- the specified zeolite is mixed with other detergent ingredients to form a thick paste which is extruded to form extruded lengths of detergent composition. These lengths are cut into short portions and optionally shaped to produce detergent granules.
- the detergent particulates produced may be mixed with additional detergent ingredients and optionally compressed into tablets.
- the use of the zeolites as specified may be particularly beneficial in such extrusion processes.
- liquid detergent ingredients may be post-dosed to the zeolite-containing detergent compositions or components thereof before addition of further detergent ingredients.
- anionic and/or nonionic and/or cationic surfactants in liquid form may be added to pre-formed detergent ingredients, optionally with dissolution aids such as fatty acids and their derivatives and/or esterified polyols such as glycerides and/or soap.
- detergent compositions of the invention a further benefit may be seen in detergent compositions which also contain percarbonate bleaching agents.
- Percarbonates are particularly vulnerable to loss of activity on storage due to moisture up-take and the zeolites specified have high surface area and good moisture up-take so that they can act as an improved moisture sink during storage, protecting the percarbonate from moisture and subsequent activity loss.
- detergent compositions When present in detergent compositions, it may also be preferred that only less than 25% by weight of the detergent composition of admixed hydratable inorganic salts are present, being thus present as separate particles, or even less than 25% by weight of the detergent composition of hydratable inorganic salts in the total composition. It may be preferred that a inorganic peroxygen bleach is present, whereby it is preferred that a percarboante salt is present.
- the detergent composition herein comprise one or more anionic surfactants and an zeolite (aluminosilicate) builder, whereby it is preferred that only small amounts of the aluminosilicate builder and the anionic surfactant are in an intimate mixture, i.e.
- the composition comprises at least two separate particles which comprise either anionic surfactant or aluminosilicate.
- 'Intimate mixture means for the purpose of the invention that the two or more ingredients the component are substantially homogeneously divided in the component or particle. Namely, it has been found that the solubility and/ or dispensing of the composition is thereby improved.
- the composition only comprises low levels of aluminosilicate builder, for example less than 10% or even less than 5% by weight of the composition, whereby it is preferred that the composition comprises highly soluble builders, for example sodium citrate or citric acid, carbonate, and or crystalline layered silicate.
- the composition comprises as builder system or as part of the builder system, an agglomerate comprising from 0.5% to 80% by weight a crystalline layered silicate, preferably, NaSKS-6, and from 10% to 70% by weight of a surfactant, preferably an anionic surfactant, whereby it may be preferred that less than 10% by weight of the agglomerate of free moisture, more preferably 30% to 60% by weight a crystalline layered silicate and 20% to 50% by weight of an anionic surfactant.
- an agglomerate comprising from 0.5% to 80% by weight a crystalline layered silicate, preferably, NaSKS-6, and from 10% to 70% by weight of a surfactant, preferably an anionic surfactant, whereby it may be preferred that less than 10% by weight of the agglomerate of free moisture, more preferably 30% to 60% by weight a crystalline layered silicate and 20% to 50% by weight of an anionic surfactant.
- compositions in accordance with the invention will also contain additional detergent components.
- additional detergent components The precise nature of these additional components, and levels of incorporation thereof will depend on the physical form of the composition or component, and the precise nature of the washing operation for which it is to be used.
- Surfactant The components in accordance with the invention and the compositons herein preferably contain one or more surfactants selected from anionic, nonionic, cationic, ampholytic, amphoteric and zwitterionic surfactants and mixtures thereof.
- ampholytic, amphoteric and zwitteronic surfactants are generally used in combination with one or more anionic and/or nonionic surfactants.
- the components in accord with the present invention and/ or the detergent compositions herein preferably comprise an additional anionic surfactant.
- any anionic surfactants useful for detersive purposes can be comprised in the detergent composition.
- anionic surfactants can include salts (including, for example, sodium, potassium, ammonium, and substituted ammonium salts such as mono-, di- and triethanolamine salts) of the anionic sulfate, sulfonate, carboxylate and sarcosinate surfactants.
- Anionic sulfate and sulfonate surfactants are preferred.
- the anionic surfactants is preferably present at a level of from
- surfactants systems comprising a sulfonate and a sulfate surfactant, preferably a linear or branched alkyl benzene sulfonate and alkyl ethoxylsulfates, as described herein, preferably combined with a cationic surfactants as described herein.
- anionic surfactants include the isethionates such as the acyl isethionates, N-acyl taurates, fatty acid amides of methyl tauride, alkyl succinates and sulfosuccinates, monoesters of sulfosuccinate (especially saturated and unsaturated C, ⁇ -C-. ⁇ monoesters) diesters of sulfosuccinate (especially saturated and unsaturated C fi -C, 4 diesters), N-acyl sarcosinates.
- Resin acids and hydrogenated resin acids are also suitable, such as rosin, hydrogenated rosin, and resin acids and hydrogenated resin acids present in or derived from tallow oil.
- Anionic sulfate surfactants suitable for use herein include the linear and branched primary and secondary alkyl sulfates, alkyl ethoxysulfates, fatty oleoyl glycerol sulfates, alkyl phenol ethylene oxide ether sulfates, the C5-C17 acyl-N-(C ⁇ -C4 alkyl) and -N-(C ⁇ -C2 hydroxyalkyl) glucamine sulfates, and sulfates of alkylpolysaccharides such as the sulfates of alkylpolyglucoside (the nonionic nonsulfated compounds being described herein).
- Alkyl sulfate surfactants are preferably selected from the linear and branched primary C 1 Q-C 18 alkyl sulfates, more preferably the C ⁇ ⁇ -C ⁇ 5 branched chain alkyl sulfates and the C12-C14 linear chain alkyl sulfates.
- Alkyl ethoxysulfate surfactants are preferably selected from the group consisting of the Cl0"Cl8 alkyl sulfates which have been ethoxylated with from 0.5 to 20 moles of ethylene oxide per molecule. More preferably, the alkyl ethoxysulfate surfactant is a C1 1 - C1 g, most preferably C ⁇ 1 -C15 alkyl sulfate which has been ethoxylated with from 0.5 to 7, preferably from 1 to 5, moles of ethylene oxide per molecule.
- a particularly preferred aspect of the invention employs mixtures of the preferred alkyl sulfate and/ or sulfonate and alkyl ethoxysulfate surfactants. Such mixtures have been disclosed in PCT Patent Application No. WO 93/18124.
- Anionic sulfonate surfactants suitable for use herein include the salts of C5-C20 linear alkylbenzene sulfonates, alkyl ester sulfonates, C6-C22 primary or secondary alkane sulfonates, Cg-C24 olefin sulfonates, sulfonated polycarboxylic acids, alkyl glycerol sulfonates, fatty acyl glycerol sulfonates, fatty oleyl glycerol sulfonates, and any mixtures thereof.
- Suitable anionic carboxylate surfactants include the alkyl ethoxy carboxylates, the alkyl polyethoxy polycarboxylate surfactants and the soaps ('alkyl carboxyls'), especially certain secondary soaps as described herein.
- Suitable alkyl ethoxy carboxylates include those with the formula RO(CH2CH2 ⁇ ) x CH2C00"M + wherein R is a C to Ci g alkyl group, x ranges from O to 10, and the ethoxylate distribution is such that, on a weight basis, the amount of material where x is 0 is less than 20 % and M is a cation.
- Suitable alkyl polyethoxy polycarboxylate surfactants include those having the formula RO- (CHRi -CHR2-O)-R3 wherein R is a C to Ci g alkyl group, x is from 1 to 25, Rj and R2 are selected from the group consisting of hydrogen, methyl acid radical, succinic acid radical, hydroxysuccinic acid radical, and mixtures thereof, and R3 is selected from the group consisting of hydrogen, substituted or unsubstituted hydrocarbon having between 1 and 8 carbon atoms, and mixtures thereof.
- Suitable soap surfactants include the secondary soap surfactants which contain a carboxyl unit connected to a secondary carbon.
- Preferred secondary soap surfactants for use herein are water-soluble members selected from the group consisting of the water-soluble salts of 2-methyl-l-undecanoic acid, 2-ethyl-l-decanoic acid, 2-propyl-l-nonanoic acid, 2- butyl- 1-octanoic acid and 2-pentyl-l-heptanoic acid. Certain soaps may also be included as suds suppressors.
- alkali Metal Sarcosinate Surfactant Other suitable anionic surfactants are the alkali metal sarcosinates of formula R-CON
- R is a C5-C17 linear or branched alkyl or alkenyl group
- R is a Ci -C4 alkyl group
- M is an alkali metal ion.
- Preferred examples are the myristyl and oleoyl methyl sarcosinates in the form of their sodium salts.
- Any alkoxylated nonionic surfactants are suitable herein.
- the ethoxylated and propoxylated nonionic surfactants are preferred.
- Preferred alkoxylated surfactants can be selected from the classes of the nonionic condensates of alkyl phenols, nonionic ethoxylated alcohols, nonionic ethoxylated/propoxylated fatty alcohols, nonionic ethoxylate/propoxylate condensates with propylene glycol, and the nonionic ethoxylate condensation products with propylene oxide/ethylene diamine adducts.
- the condensation products of aliphatic alcohols with from 1 to 25 moles of alkylene oxide, particularly ethylene oxide and/or propylene oxide, are suitable for use herein.
- the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from 6 to 22 carbon atoms.
- Particularly preferred are the condensation products of alcohols having an alkyl group containing from 8 to 20 carbon atoms with from 2 to 10 moles of ethylene oxide per mole of alcohol.
- Polyhydroxy fatty acid amides suitable for use herein are those having the structural formula R 2 CONR ⁇ Z wherein : Rl is H, Ci -C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, ethoxy, propoxy, or a mixture thereof, preferable C1-C4 alkyl, more preferably C ⁇ or C2 alkyl, most preferably C ⁇ alkyl (i.e., methyl); and R2 is a C5-C31 hydrocarbyl, preferably straight-chain C5-C19 alkyl or alkenyl, more preferably straight-chain C9-C17 alkyl or alkenyl, most preferably straight-chain C ⁇ -C17 alkyl or alkenyl, or mixture thereof; and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative (preferably ethoxylated or propoxylated) thereof.
- Suitable fatty acid amide surfactants include those having the formula: R6CON(R )2 wherein R" is an alkyl group containing from 7 to 21, preferably from 9 to 17 carbon atoms and each R? is selected from the group consisting of hydrogen, Ci -C4 alkyl, Ci - C4 hydroxyalkyl, and -(C2H4 ⁇ ) x H, where x is in the range of from 1 to 3.
- Suitable alkylpolysaccharides for use herein are disclosed in U.S. Patent 4,565,647, Llenado, issued January 21, 1986, having a hydrophobic group containing from 6 to 30 carbon atoms and a polysaccharide, e.g., a polyglycoside, hydrophilic group containing from 1.3 to 10 saccharide units.
- Preferred alkylpolyglycosides have the formula:
- R 2 is selected from the group consisting of alkyl, alkylphenyl, hydroxyalkyl, hydroxyalkylphenyl, and mixtures thereof in which the alkyl groups contain from 10 to 18 carbon atoms; n is 2 or 3; t is from 0 to 10, and x is from 1.3 to 8.
- the glycosyl is preferably derived from glucose.
- Suitable amphoteric surfactants for use herein include the amine oxide surfactants and the alkyl amphocarboxylic acids.
- Suitable amine oxides include those compounds having the formula wherein R ⁇ is selected from an alkyl, hydroxyalkyl, acylamidopropoyl and alkyl phenyl group, or mixtures thereof, containing from 8 to 26 carbon atoms; R ⁇ is an alkylene or hydroxyalkylene group containing from 2 to 3 carbon atoms, or mixtures thereof; x is from 0 to 5, preferably from 0 to 3; and each R ⁇ is an alkyl or hydroxyalkyl group containing from 1 to 3, or a polyethylene oxide group containing from 1 to 3 ethylene oxide groups.
- Preferred are CJQ-CI S alkyl dimethylamine oxide, and CI Q-18 acylamido alkyl dimethylamine oxide.
- a suitable example of an alkyl aphodicarboxylic acid is Miranol(TM) C2M Cone, manufactured by Miranol, Inc., Dayton, NJ.
- Zwitterionic surfactants can also be incorporated into the detergent compositions in accord with the invention. These surfactants can be broadly described as derivatives of secondary and tertiary amines, derivatives of heterocyclic secondary and tertiary amines, or derivatives of quaternary ammonium, quaternary phosphonium or tertiary sulfonium compounds. Betaine and sultaine surfactants are exemplary zwitterionic surfactants for use herein.
- Suitable betaines are those compounds having the formula R(R')2N + R2COO" wherein R is a C6-C 18 hydrocarbyl group, each R* is typically C1-C3 alkyl, and R 2 is a C1-C5 hydrocarbyl group.
- Preferred betaines are Ci 2_i8 dimethyl-ammonio hexanoate and the ClO-18 acylamidopropane (or ethane) dimethyl (or diethyl) betaines.
- Complex betaine surfactants are also suitable for use herein.
- Suitable cationic surfactants to be used herein include the quaternary ammonium surfactants.
- the quaternary ammonium surfactant is a mono Cg-Cjg, preferably
- cationic ester surfactants Another suitable group of cationic surfactants which can be used in the detergent compositions or components thereof herein are cationic ester surfactants.
- the cationic ester surfactant is a, preferably Water dispersible, compound having surfactant properties comprising at least one ester (i.e. -COO-) linkage and at least one cationically charged group.
- Suitable cationic ester surfactants including choline ester surfactants, have for example been disclosed in US Patents No.s 4228042, 4239660 and 4260529.
- ester linkage and cationically charged group are separated from each other in the surfactant molecule by a spacer group consisting of a chain comprising at least three atoms (i.e. of three atoms chain length), preferably from three to eight atoms, more preferably from three to five atoms, most preferably three atoms.
- the atoms forming the spacer group chain are selected from the group consisting of carbon, nitrogen and oxygen atoms and any mixtures thereof, with the proviso that any nitrogen or oxygen atom in said chain connects only with carbon atoms in the chain.
- spacer groups having, for example, -O-O- (i.e.
- spacer groups having, for example -CH2-O- CH2- and -CH2-NH-CH2- linkages are included.
- the spacer group chain comprises only carbon atoms, most preferably the chain is a hydrocarbyl chain.
- cationic mono-alkoxylated amine surfactant preferably of the general formula I:
- Rl is an alkyl or alkenyl moiety containing from about 6 to about 18 carbon atoms, preferably 6 to about 16 carbon atoms, most preferably from about 6 to about 14 carbon atoms;
- R 2 and R ⁇ are each independently alkyl groups containing from one to about three carbon atoms, preferably methyl, most preferably both R 2 and R- are methyl groups;
- R ⁇ is selected from hydrogen (preferred), methyl and ethyl;
- X" is an anion such as chloride, bromide, methylsulfate, sulfate, or the like, to provide electrical neutrality;
- A is a alkoxy group, especially a ethoxy, propoxy or butoxy group; and
- p is from 0 to about 30, preferably 2 to about 15, most preferably 2 to about 8.
- Particularly preferred ApR ⁇ groups are — CH 2 CH 2 OH, — CH 2 CH 2 CH 2 OH, — CH 2 CH(CH 3 )OH and —
- R 1 groups are linear alkyl groups. Linear Rl groups having from 8 to 14 carbon atoms are preferred.
- Rl is C ⁇ )-Ci8 hydrocarbyl and mixtures thereof, especially C10-C14 alkyl, preferably C Q and C12 alkyl, and X is any convenient anion to provide charge balance, preferably chloride or bromide.
- compounds of the foregoing type include those wherein the ethoxy (CH2CH2O) units (EO) are replaced by butoxy, isopropoxy [CH(CH3)CH2O] and
- the levels of the cationic mono-alkoxylated amine surfactants is preferably from 0.1% to 20%, more preferably from 0.2% to 7%, most preferably from 0.3% to 3.0% by weight.
- the cationic bis-alkoxylated amine surfactant preferably has the general formula II:
- R is an alkyl or alkenyl moiety containing from about 8 to about 18 carbon atoms, preferably 10 to about 16 carbon atoms, most preferably from about 10 to about 14 carbon atoms;
- R 2 is an alkyl group containing from one to three carbon atoms, preferably methyl;
- R ⁇ and R ⁇ can vary independently and are selected from hydrogen (preferred), methyl and ethyl,
- X" is an anion such as chloride, bromide, methylsulfate, sulfate, or the like, sufficient to provide electrical neutrality.
- a and A' can vary independently and are each selected from C1-C4 alkoxy, especially ethoxy, (i.e., -CH2CH2O-), propoxy, butoxy and mixtures thereof; p is from 1 to about 30, preferably 1 to about 4 and q is from 1 to about 30, preferably 1 to about 4, and most preferably both p and q are 1.
- R is CiQ-Cig hydrocarbyl and mixtures thereof, preferably C Q, C12, C14 alkyl and mixtures thereof.
- X is any convenient anion to provide charge balance, preferably chloride.
- cationic bis-alkoxylated amine surfactants useful herein include compounds of the formula:
- R is C10-C1 hydrocarbyl, preferably C 0-C14 alkyl, independently p is 1 to about 3 and q is 1 to about 3, R 2 is C1-C3 alkyl, preferably methyl, and X is an anion, especially chloride or bromide.
- the components in accord with the present invention and/ or the detergent compositions herein preferably comprises a bleach activator, preferably comprising an organic peroxyacid bleach precursor. It may be preferred that the composition comprises at least two peroxy acid bleach precursors, preferably at least one hydrophobic peroxyacid bleach precursor and at least one hydrophilic peroxy acid bleach precursor, as defined herein.
- the production of the organic peroxyacid occurs then by an in situ reaction of the precursor with a source of hydrogen peroxide.
- the bleach activator may alternatively, or in addition comprise a preformed peroxy acid bleach.
- the bleach activator is present in a particulate component in the component or compositions herein. It may be preferred that the is present as a separate, admixed particle. Alternatively, the bleach activator or part thereof can be present in the base detergent particle.
- At least one of the bleach activators preferably a peroxy acid bleach precursor, is present in a particulate component having an average particle size, by weight, of from 600 microns to 1400 microns, preferably from 700 microns to 1100 microns. More preferably, all of the activator are present in one or more particulate components having the specified weight average particle size.
- the hydrophobic peroxy acid bleach precursor preferably comprises a compound having a oxy-benzene sulphonate group, preferably NOBS, DOBS, LOBS and/ or NACA-OBS, as described herein.
- the hydrophilic peroxy acid bleach precursor preferably comprises TAED, as described herein.
- Peroxyacid bleach precursors are compounds which react with hydrogen peroxide in a perhydrolysis reaction to produce a peroxyacid.
- peroxyacid bleach precursors may be represented as
- L is a leaving group and X is essentially any functionality, such that on perhydroloysis the structure of the peroxyacid produced is
- hydrophobic peroxyacid bleach precursors produce a peroxy acid of the formula above wherein X is a group comprising at least 6 carbon atoms and a hydrophilic peroxyacid bleach precursor produces a peroxyacid bleach of the formula above wherein X is a group comprising 1 to 5 carbon atoms.
- Peroxyacid bleach precursor compounds are preferably incorporated at a level of from 0.5% to 30% by weight, more preferably from 1% to 15% by weight, most preferably from 1.5% to 10% by weight.
- the ratio of hydrophilic to hydrophobic bleach precursors, when present, is preferably from 10:1 to 1:10, more preferably from 5; 1 to 1 :5 or even from 3:1 to 1 :3.
- Suitable peroxyacid bleach precursor compounds typically contain one or more N- or O- acyl groups, which precursors can be selected from a wide range of classes.
- Suitable classes include anhydrides, esters, imides, lactams and acylated derivatives of imidazoles and oximes. Examples of useful materials within these classes are disclosed in GB-A- 1586789. Suitable esters are disclosed in GB-A-836988, 864798, 1147871, 2143231 and EP-A-0170386.
- L group The leaving group, hereinafter L group, must be sufficiently reactive for the perhydrolysis reaction to occur within the optimum time frame (e.g., a wash cycle). However, if L is too reactive, this activator will be difficult to stabilize for use in a bleaching composition.
- Preferred L groups are selected from the group consisting of:
- R is an alkyl, aryl, or alkaryl group containing from 1 to
- R 3 is an alkyl chain containing from 1 to 8 carbon atoms
- R 4 is H or
- R 3 , and Y i •s H or a solubilizing group Any of R 1 , R3 and R 4 may be substituted by essentially any functional group including, for example alkyl, hydroxy, alkoxy, halogen, amine, nitrosyl, amide and ammonium or alkyl ammmonium groups.
- the preferred solubilizing groups are -SO ⁇ ' M , -CO ⁇ ⁇ M , -SO M , -N (R ) X ⁇ and
- M is an alkali metal, ammonium or substituted ammonium cation, with sodium and potassium being most preferred
- X is a halide, hydroxide, methylsulfate or acetate anion.
- Alkyl percarboxylic acid bleach precursors form percarboxylic acids on perhydrolysis.
- Preferred precursors of this type provide peracetic acid on perhydrolysis.
- Preferred alkyl percarboxylic precursor compounds of the imide type include the N-
- TAED Tetraacetyl ethylene diamine
- alkyl percarboxylic acid precursors include sodium 3,5,5-tri-methyl hexanoyloxybenzene sulfonate (iso-NOBS), sodium nonanoyloxybenzene sulfonate (NOBS), sodium acetoxybenzene sulfonate (ABS) and pentaacetyl glucose.
- Amide substituted alkyl peroxyacid precursor compounds are suitable herein, including those of the following general formulae:
- R is an aryl or alkaryl group with from about 1 to about 14 carbon atoms
- R 2 is an alkylene, arylene, and alkarylene group containing from about 1 to 14 carbon atoms
- R5 is H or an alkyl, aryl, or alkaryl group containing 1 to 10 carbon atoms and L can be essentially any leaving group.
- R* preferably contains from about 6 to 12 carbon atoms.
- R2 preferably contains from about 4 to 8 carbon atoms.
- R may be straight chain or branched alkyl, substituted aryl or alkylaryl containing branching, substitution, or both and may be sourced from either synthetic sources or natural sources including for example, tallow fat. Analogous structural variations are permissible for R 2 .
- R2 can include alkyl, aryl, wherein said R 2 may also contain halogen, nitrogen, sulphur and other typical substituent groups or organic compounds.
- R-> is preferably H or methyl.
- R5 should not contain more than 18 carbon atoms total.
- Amide substituted bleach activator compounds of this type are described in EP-A-0170386. It can be preferred that Rl and R ⁇ forms together with the nitrogen and carbon atom a ring structure.
- bleach precursors of this type include amide substituted peroxyacid precursor compounds selected from (6-octanamido-caproyl)oxybenzenesulfonate, (6- decanamido-caproyl) oxybenzene- sulfonate, and the highly preferred (6- nonanamidocaproyl)oxy benzene sulfonate, and mixtures thereof as described in EP-A- 0170386.
- Perbenzoic acid precursor compounds provide perbenzoic acid on perhydrolysis.
- Suitable O-acylated perbenzoic acid precursor compounds include the substituted and unsubstituted benzoyl oxybenzene sulfonates, and the benzoylation products of sorbitol, glucose, and all saccharides with benzoylating agents, and those of the imide type including N-benzoyl succinimide, tetrabenzoyl ethylene diamine and the N-benzoyl substituted ureas.
- Suitable imidazole type perbenzoic acid precursors include N-benzoyl imidazole and N-benzoyl benzimidazole.
- Other useful N-acyl group-containing perbenzoic acid precursors include N-benzoyl pyrrolidone, dibenzoyl taurine and benzoyl pyroglutamic acid.
- Cationic peroxyacid precursor compounds produce cationic peroxyacids on perhydrolysis.
- cationic peroxyacid precursors are formed by substituting the peroxyacid part of a suitable peroxyacid precursor compound with a positively charged functional group, such as an ammonium or alkyl ammmonium group, preferably an ethyl or methyl ammonium group.
- Cationic peroxyacid precursors are typically present in the solid detergent compositions as a salt with a suitable anion, such as a halide ion.
- the peroxyacid precursor compound to be so cationically substituted may be a perbenzoic acid, or substituted derivative thereof, precursor compound as described hereinbefore.
- the peroxyacid precursor compound may be an alkyl percarboxylic acid precursor compound or an amide substituted alkyl peroxyacid precursor as described hereinafter.
- Cationic peroxyacid precursors are described in U.S. Patents 4,904,406; 4,751,015; 4,988,451 ; 4,397,757; 5,269,962; 5,127,852; 5,093,022; 5,106,528; U.K. 1,382,594; EP 475,512, 458,396 and 284,292; and in JP 87-318,332.
- Suitable cationic peroxyacid precursors include any of the ammonium or alkyl ammonium substituted alkyl or benzoyl oxybenzene sulfonates, N-acylated caprolactams, and monobenzoyltetraacetyl glucose benzoyl peroxides.
- Preferred cationic peroxyacid precursors of the N-acylated caprolactam class include the trialkyl ammonium methylene benzoyl caprolactams and the trialkyl ammonium methylene alkyl caprolactams.
- precursor compounds of the benzoxazin-type as disclosed for example in EP-A-332,294 and EP-A-482,807, particularly those having the formula:
- R 1 is H, alkyl, alkaryl, aryl, or arylalkyl.
- the components in accord with the present invention and/ or the detergent compositions herein may contain, in addition to, or as an alternative to, an organic peroxyacid bleach precursor compound, a preformed organic peroxyacid , typically at a level of from 1% to 15% by weight, more preferably from 1% to 10% by weight.
- a preferred class of organic peroxyacid compounds are the amide substituted compounds of the following general formulae:
- R is an alkyl, aryl or alkaryl group with from 1 to 14 carbon atoms
- R 2 is an alkylene, arylene, and alkarylene group containing from 1 to 14 carbon atoms
- R ⁇ is H or an alkyl, aryl, or alkaryl group containing 1 to 10 carbon atoms.
- organic peroxyacids include diacyl and tetraacylperoxides, especially diperoxydodecanedioc acid, diperoxytetradecanedioc acid and diperoxyhexadecanedioc acid.
- diacyl and tetraacylperoxides especially diperoxydodecanedioc acid, diperoxytetradecanedioc acid and diperoxyhexadecanedioc acid.
- Mono- and diperazelaic acid, mono- and diperbrassylic acid and N- phthaloylaminoperoxicaproic acid are also suitable herein.
- Inorganic perhydrate salts are a preferred source of peroxide.
- these salts are present at a level of from 0.01 % to 50% by weight, more preferably of from 0.5% to 30% by weight of the composition or component.
- inorganic perhydrate salts include perborate, percarbonate, perphosphate, persulfate and persilicate salts.
- the inorganic perhydrate salts are normally the alkali metal salts.
- the inorganic perhydrate salt may be included as the crystalline solid without additional protection.
- the preferred executions of such granular compositions utilize a coated form of the material which provides better storage stability for the perhydrate salt in the granular product.
- Suitable coatings comprise inorganic salts such as alkali metal silicate, carbonate or borate salts or mixtures thereof, or organic materials such as waxes, oils, or fatty soaps.
- Sodium perborate is a preferred perhydrate salt and can be in the form of the monohydrate of nominal formula NaB ⁇ 2H2 ⁇ 2 or the tetrahydrate NaB ⁇ 2H2 ⁇ 2-3H2 ⁇ .
- Alkali metal percarbonates particularly sodium percarbonate are preferred perhydrates herein.
- Sodium percarbonate is an addition compound having a formula corresponding to 2Na2C ⁇ 3-3H2 ⁇ 2, and is available commercially as a crystalline solid.
- Potassium peroxymonopersulfate is another inorganic perhydrate salt of use in the detergent compositions herein.
- a preferred ingredients of the compositions herein are dyes and dyed particles or speckles, which can be bleach-sensitive.
- the dye as used herein can be a dye stuff or an aqueous or nonaqueous solution of a dye stuff. It may be preferred that the dye is an aqueous solution comprising a dyestuff, at any level to obtain suitable dyeing of the detergent particles or speckles, preferably such that levels of dye solution are obtained up to 2% by weight of the dyed particle, or more preferably up to 0.5% by weight, as described above.
- the dye may also be mixed with a non-aqueous carrier material, such as non-aquous liquid materials including nonionic surfactants.
- the dye also comprising other ingredients such as organic binder materials, which may also be a non- aqueous liquid.
- the dyestuff can be any suitable dyestuff. Specific examples of suitable dyestuffs include El 04 - food yellow 13 (quinoline yellow), El 10 - food yellow 3 (sunset yellow FCF), El 31 - food blue 5 (patent blue N), Ultra Marine blue (trade name), El 33 - food blue 2 (brilliant blue FCF), El 40 - natural green 3 (chlorophyll and chlorphyllins), El 41 and Pigment green 7 (chlorinated Cu phthalocyanine).
- Preferred dyestuffs may be Monastral Blue BN paste (trade name) and/ or Pigmasol Green (trade name).
- the dyed detergent particles or effervescence components preferably comprise such a up to 10% or more preferably up to 2% or even up to 1% by weight of the dyed particle or component.
- perfume or perfume composition Another preferred ingredient of the component of the invention or the compositios herein is a perfume or perfume composition. Any perfume composition can be used herein.
- the perfumes may also be encapsulated.
- Preferred perfumes contain at least one component with a low molecular weight volatile component , e.g. having a molecular weight of 150 to 450 or preferably 350.
- the perfume component comprises an oxygen- containing functional group.
- Preferred functional groups are aldehyde, ketone, alcohol or ether functional groups or mixtures thereof.
- the components in accordance with the present invention and/or the detergent compositions herein preferably contain as an optional component a heavy metal ion sequestrant or chelant or chelating agent.
- heavy metal ion sequestrant it is meant herein components which act to sequester (chelate) heavy metal ions.
- These components may also have calcium and magnesium chelation capacity, but preferentially they show selectivity to binding heavy metal ions such as iron, manganese and copper.
- Heavy metal ion sequestrants are generally present at a level of from 0.005% to 10%, preferably from 0.1 % to 5%, more preferably from 0.25% to 7.5% and most preferably from 0.3% to 2% by weight of the compositions or component.
- Suitable heavy metal ion sequestrants for use herein include organic phosphonates, such as the amino alkylene poly (alkylene phosphonates), alkali metal ethane 1 -hydroxy disphosphonates and nitrilo trimethylene phosphonates.
- Preferred among the above species are diethylene triamine penta (methylene phosphonate), ethylene diamine tri (methylene phosphonate) hexamethylene diamine tetra (methylene phosphonate) and hydroxy-ethylene 1,1 diphosphonate, 1,1 hydroxyethane diphosphonic acid and 1,1 hydroxyethane dimethylene phosphonic acid.
- suitable heavy metal ion sequestrant for use herein include nitrilotriacetic acid and polyaminocarboxylic acids such as ethylenediaminotetracetic acid, ethylenediamine disuccinic acid, ethylenediamine diglutaric acid, 2-hydroxypropylenediamine disuccinic acid or any salts thereof.
- suitable heavy metal ion sequestrants for use herein are iminodiacetic acid derivatives such as 2-hydroxyethyl diacetic acid or glyceryl imino diacetic acid, described in EP-A-317,542 and EP- A-399, 133.
- the iminodiacetic acid-N-2- hydroxypropyl sulfonic acid and aspartic acid N-carboxymethyl N-2-hydroxypropyl-3- sulfonic acid sequestrants described in EP-A-516,102 are also suitable herein.
- the ⁇ - alanine-N,N'-diacetic acid, aspartic acid-N,N'-diacetic acid, aspartic acid-N-monoacetic acid and iminodisuccinic acid sequestrants described in EP-A-509,382 are also suitable.
- EP-A-476,257 describes suitable amino based sequestrants.
- EP-A-510,331 describes suitable sequestrants derived from collagen, keratin or casein.
- EP-A- 528,859 describes a suitable alkyl iminodiacetic acid sequestrant. Dipicolinic acid and 2-phosphonobutane-l,2,4-tricarboxylic acid are alos suitable.
- Glycinamide- N.N'-disuccinic acid (GADS), ethylenediamine-N-N'-diglutaric acid (EDDG) and 2- hydroxypropylenediamine-N-N'-disuccinic acid (HPDDS) are also suitable.
- diethylenetriamine pentacetic acid ethylenediamine-N,N'- disuccinic acid (EDDS) and 1,1 hydroxyethane diphosphonic acid or the alkali metal, alkaline earth metal, ammonium, or substituted ammonium salts thereof, or mixtures thereof.
- EDDS ethylenediamine-N,N'- disuccinic acid
- 1,1 hydroxyethane diphosphonic acid or the alkali metal, alkaline earth metal, ammonium, or substituted ammonium salts thereof, or mixtures thereof.
- the chelating agents comprising a amino or amine group can be bleach- sensitive and are suitable in the compositions of the invention.
- Another highly preferred ingredient useful in the components or compositions herein is one or more additional enzymes.
- Preferred additional enzymatic materials include the commercially available lipases, cutinases, amylases, neutral and alkaline proteases, cellulases, endolases, esterases, pectinases, lactases and peroxidases conventionally incorporated into detergent compositions. Suitable enzymes are discussed in US Patents 3,519,570 and 3,533,139.
- protease enzymes include those sold under the tradenames Alcalase, Savinase, Primase, Durazym, and Esperase by Novo Industries A/S (Denmark), those sold under the tradename Maxatase, Maxacal and Maxapem by Gist- Brocades, those sold by Genencor International, and those sold under the tradename Opticlean and Optimase by Solvay Enzymes.
- Protease enzyme may be incorporated into the compositions in accordance with the invention at a level of from 0.0001% to 4% active enzyme by weight of the composition.
- Preferred amylases include, for example, ⁇ -amylases obtained from a special strain of B licheniformis, described in more detail in GB-1,269,839 (Novo).
- Preferred commercially available amylases include for example, those sold under the tradename Rapidase by Gist- Brocades, and those sold under the tradename Termamyl, Duramyl and BAN by Novo Industries A/S.
- Highly preferred amylase enzymes maybe those described in PCT/ US 9703635, and in WO95/26397 and WO96/23873.
- Amylase enzyme may be incorporated into the composition in accordance with the invention at a level of from 0.0001% to 2% active enzyme by weight.
- Lipolytic enzyme may be present at levels of active lipolytic enzyme of from 0.0001% to 2% by weight, preferably 0.001 % to 1 % by weight, most preferably from 0.001 % to 0.5% by weight.
- the lipase may be fungal or bacterial in origin being obtained, for example, from a lipase producing strain of Humicola sp., Thermomvces sp. or Pseudomonas sp. including Pseudomonas pseudoalcaligenes or Pseudomas fluorescens. Lipase from chemically or genetically modified mutants of these strains are also useful herein.
- a preferred lipase is derived from Pseudomonas pseudoalcaligenes, which is described in Granted European Patent, EP-B-0218272.
- Another preferred lipase herein is obtained by cloning the gene from Humicola lanuginosa and expressing the gene in Aspergillus oryza, as host, as described in European Patent Application, EP-A-0258 068, which is commercially available from Novo Industri A/S, Bagsvaerd, Denmark, under the trade name Lipolase. This lipase is also described in U.S. Patent 4,810,414, Huge- Jensen et al, issued March 7, 1989.
- Optical Brightener The component or compositions herein also preferably contain from about 0.005% to 5% by weight of certain types of hydrophilic optical brighteners, as mentioned above.
- Hydrophilic optical brighteners useful herein include those having the structural formula:
- R is selected from anilino, N-2-bis-hydroxyethyl and NH-2-hydroxy ethyl
- R2 is selected from N-2-bis-hydroxyethyl, N-2-hydroxyethyl-N-methylamino, morphilino, chloro and amino
- M is a salt-forming cation such as sodium or potassium.
- the brightener is 4,4',-bis[(4-anilino-6-(N-2-bis-hydroxyethyl)-s-triazine- 2-yl)amino]-2,2'-stilbenedisulfonic acid and disodium salt.
- This particular brightener species is commercially marketed under the tradename Tinopal-UNPA-GX by Ciba- Geigy Corporation. Tinopal-CBS-X and Tinopal-UNPA-GX is the preferred hydrophilic optical brightener useful in the detergent compositions herein.
- Ri is anilino
- R2 is N-2-hydroxyethyl-N-2-methylamino
- M is a cation such as sodium
- the brightener is 4,4'-bis[(4-anilino-6-(N-2-hydroxyethyl-N- methylamino)-s-triazine-2-yl)amino]2,2'-stilbenedisulfonic acid disodium salt.
- This particular brightener species is commercially marketed under the tradename Tinopal 5BM-GX by Ciba-Geigy Corporation.
- R is anilino
- R2 is morphilino
- M is a cation such as sodium
- the brightener is 4,4'-bis[(4-anilino-6-morphilino-s-triazine-2-yl)amino]2,2'- stilbenedisulfonic acid, sodium salt.
- This particular brightener species are commercially marketed under the tradename Tinopal-DMS-X and Tinopal AMS-GX by Ciba Geigy Corporation.
- Photo-bleaching agents are preferred ingredients of the compositions or components herein.
- Preferred photo-bleaching agent herein comprise a compounds having a porphin or porphyrin structure.
- Porphin and porphyrin in the literature, are used as synonyms, but conventionally porphin stands for the simplest porphyrin without any substituents; wherein porphyrin is a sub-class of porphin.
- the references to porphin in this application will include porphyrin.
- the porphin structures preferably comprise a metal element or cation, preferably Ca, Mg, P, Ti, Cr, Zr, In, Sn or Hf, more preferably Ge, Si or Ga, or more preferably Al , most preferably Zn.
- the photo-bleaching compound or component is substituted with substituents selected from alkyl groups such as methyl, ethyl, propyl, t-butyl group and aromatic ring systems such as pyridyl, pyridyl-N-oxide, phenyl, naphthyl and anthracyl moieties.
- substituents selected from alkyl groups such as methyl, ethyl, propyl, t-butyl group and aromatic ring systems such as pyridyl, pyridyl-N-oxide, phenyl, naphthyl and anthracyl moieties.
- the photo-bleaching compound or component can have solubilizing groups as substituents.
- the photo-bleaching agent can comprise a polymeric component capable of solubilizing the photo-bleaching compound, for example PNP, PN ⁇ P, PNI or co-polymers thereof or mixtures thereof.
- Highly preferred photo-bleaching compounds are compounds having a phthalocyanine structure, which preferably have the metal elements or cations described above.
- Metal phthalocyanines and their derivatives have the structure indicated in Figure 1 and/or Figure 2, wherein the atom positions of the phthalocyanine structure are numbered conventionally.
- the phthalocyanines can be substituted for example the phthalocyanine structures which are substituted at one or more of the 1-4, 6, 8-11, 13, 15-18, 20, 22-25, 27 atom positions.
- the component or compositions herein preferably contain a water-soluble builder compound, typically present in detergent compositions at a level of from 1% to 80% by weight, preferably from 10% to 60% by weight, most preferably from 15% to 40% by weight.
- the detergent compositions of the invention may comprise phosphate-containing builder material in addition to the specified zeolite builder.
- phosphate is generally present at a level of from 0.5% to 60%, more preferably from 5% to 50%, more preferably from 8% to 40% by weight of the composition.
- the phosphate-containing builder material preferably comprises tetrasodium pyrophosphate or even more preferably anhydrous sodium tripolyphosphate.
- Suitable water-soluble builder compounds include the water soluble monomeric polycarboxylates, or their acid forms, homo or copolymeric polycarboxylic acids or their salts in which the polycarboxylic acid comprises at least two carboxylic radicals separated from each other by not more that two carbon atoms, borates, and mixtures of any of the foregoing.
- the carboxylate or polycarboxylate builder can be momomeric or oligomeric in type although monomeric polycarboxylates are generally preferred for reasons of cost and performance.
- Suitable carboxylates containing one carboxy group include the water soluble salts of lactic acid, glycolic acid and ether derivatives thereof.
- Polycarboxylates containing two carboxy groups include the water-soluble salts of succinic acid, malonic acid, (ethylenedioxy) diacetic acid, maleic acid, diglycolic acid, tartaric acid, tartronic acid and fumaric acid, as well as the ether carboxylates and the sulfinyl carboxylates.
- Polycarboxylates or their acids containing three carboxy groups include, in particular, water-soluble citrates, aconitrates and citraconates as well as succinate derivatives such as the carboxymethyloxysuccinates described in British Patent No. 1,379,241, lactoxysuccinates described in British Patent No. 1,389,732, and aminosuccinates described in Netherlands Application 7205873, and the oxypoly carboxylate materials such as 2-oxa- 1,1, 3 -propane tricarboxylates described in British Patent No. 1,387,447.
- the most preferred polycarboxylic acid containing three carboxy groups is citric acid, preferably present at a level of from 0.1% to 15%, more preferably from 0.5% to 8% by weight.
- Polycarboxylates containing four carboxy groups include oxydisuccinates disclosed in British Patent No. 1,261,829, 1,1,2,2-ethane tetracarboxylates, 1,1,3 ,3 -propane tetracarboxylates and 1,1, 2,3 -propane tetracarboxylates.
- Polycarboxylates containing sulfo substituents include the sulfosuccinate derivatives disclosed in British Patent Nos. 1,398,421 and 1,398,422 and in U.S. Patent No. 3,936,448, and the sulfonated pyrolysed citrates described in British Patent No. 1,439,000.
- Preferred polycarboxylates are hydroxycarboxylates containing up to three carboxy groups per molecule, more particularly citrates.
- the parent acids of the monomeric or oligomeric polycarboxylate chelating agents or mixtures thereof with their salts e.g. citric acid or citrate/citric acid mixtures are also contemplated as useful builder components.
- Suitable examples of water-soluble phosphate builders are the alkali metal tripolyphosphates, sodium, potassium and ammonium pyrophosphate, sodium and potassium and ammonium pyrophosphate, sodium and potassium orthophosphate, sodium polymeta/phosphate in which the degree of polymerization ranges from about 6 to 21, and salts of phytic acid.
- Organic polymeric compounds are preferred additional herein and are preferably present as components of any particulate components where they may act such as to bind the particulate component together.
- organic polymeric compound it is meant herein essentially any polymeric organic compound commonly used as dispersants, and anti- redeposition and soil suspension agents in detergent compositions, including any of the high molecular weight organic polymeric compounds described as clay flocculating agents herein, including quaternised ethoxylated (poly) amine clay-soil removal/ anti- redeposition agent in accord with the invention.
- Organic polymeric compound is typically incorporated in the detergent compositions of the invention at a level of from 0.01% to 30%, preferably from 0.1% to 15%, most preferably from 0.5% to 10% by weight of the compositions or component.
- organic polymeric compounds include the water soluble organic homo- or co-polymeric polycarboxylic acids or their salts in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
- Polymers of the latter type are disclosed in GB-A- 1,596,756.
- salts are polyacrylates of MWt 1000-5000 and their copolymers with maleic anhydride, such copolymers having a molecular weight of from 2000 to 100,000, especially 40,000 to 80,000.
- polyamino compounds are useful herein including those derived from aspartic acid such as those disclosed in EP-A-305282, EP-A-305283 and EP-A-351629.
- Terpolymers containing monomer units selected from maleic acid, acrylic acid, polyaspartic acid and vinyl alcohol, particularly those having an average molecular weight of from 5,000 to 10,000, are also suitable herein.
- organic polymeric compounds suitable for incorporation in the detergent compositions herein include cellulose derivatives such as methylcellulose, carboxymethylcellulose, hydroxypropylmethylcellulose and hydroxyethylcellulose.
- Further useful organic polymeric compounds are the polyethylene glycols, particularly those of molecular weight 1000-10000, more particularly 2000 to 8000 and most preferably about 4000.
- Highly preferred polymeric components herein are cotton and non-cotton soil release polymer according to U.S. Patent 4,968,451, Scheibel et al., and U.S. Patent 5,415,807, Gosselink et al., and in particular according to US application no.60/051517.
- Another organic compound which is a preferred clay dispersant/ anti-redeposition agent, for use herein, can be the ethoxylated cationic monoamines and diamines of the formula:
- X is a nonionic group selected from the group consisting of H, C -C4 alkyl or hydroxyalkyl ester or ether groups, and mixtures thereof
- a is from 0 to 20, preferably from 0 to 4 (e.g. ethylene, propylene, hexamethylene)
- Disintegrating agents such as effervescent particles comprising acid and alkali components with optional binders may be incorporated into the detergent compositions of the invention.
- Polymeric disintegrating agents such as those formed form absorbent swellable polymeric materials may also be incorporated . Suitable material are described for example in WO98/40463 (Henkel) and WO98/40462 (Rettenmaier).
- the components and detergent compositions herein when formulated for use in machine washing compositions, may comprise a suds suppressing system present at a level of from 0.01% to 15%, preferably from 0.02% to 10%, most preferably from 0.05% to 3% by weight of the composition or component.
- Suitable suds suppressing systems for use herein may comprise essentially any known antifoam compound, including, for example silicone antifoam compounds and 2-alkyl alcanol antifoam compounds.
- antifoam compound any compound or mixtures of compounds which act such as to depress the foaming or sudsing produced by a solution of a detergent composition, particularly in the presence of agitation of that solution.
- Particularly preferred antifoam compounds for use herein are silicone antifoam compounds defined herein as any antifoam compound including a silicone component.
- Such silicone antifoam compounds also typically contain a silica component.
- Preferred silicone antifoam compounds are siloxanes, particularly the polydimethylsiloxanes with trimethylsilyl end blocking units.
- Suitable antifoam compounds include the monocarboxylic fatty acids and soluble salts thereof. These materials are described in US Patent 2,954,347, issued September 27, 1960 to Wayne St. John.
- the monocarboxylic fatty acids, and salts thereof, for use as suds suppressor typically have hydrocarbyl chains of 10 to 24 carbon atoms, preferably 12 to 18 carbon atoms.
- Suitable salts include the alkali metal salts such as sodium, potassium, and lithium salts, and ammonium and alkanolammonium salts.
- Suitable antifoam compounds include, for example, high molecular weight fatty esters (e.g. fatty acid triglycerides), fatty acid esters of monovalent alcohols, aliphatic C18-C40 ketones (e.g. stearone) N-alkylated amino triazines such as tri- to hexa- alkylmelamines or di- to tetra alkyldiamine chlortriazines formed as products of cyanuric chloride with two or three moles of a primary or secondary amine containing 1 to 24 carbon atoms, propylene oxide, bis stearic acid amide and monostearyl di-alkali metal (e.g. sodium, potassium, lithium) phosphates and phosphate esters.
- high molecular weight fatty esters e.g. fatty acid triglycerides
- fatty acid esters of monovalent alcohols e.g. fatty acid esters of monovalent alcohols
- a preferred suds suppressing system comprises: (a) antifoam compound, preferably silicone antifoam compound, most preferably a silicone antifoam compound comprising in combination (i)polydimethyl siloxane, at a level of from 50% to 99%, preferably 75% to 95% by weight of the silicone antifoam compound; and (ii) silica, at a level of from 1% to 50%, preferably 5% to 25% by weight of the silicone/silica antifoam compound; wherein said silica/silicone antifoam compound is incorporated at a level of from 5% to 50%, preferably 10% to 40% by weight; (b)a dispersant compound, most preferably comprising a silicone glycol rake copolymer with a polyoxyalkylene content of 72-78% and an ethylene oxide to propylene oxide ratio of from 1 :0.9 to 1:1.1, at a level of from 0.5% to 10%, preferably 1% to 10% by weight; a particularly preferred silicone glycol rake copoly
- a highly preferred particulate suds suppressing system is described in EP-A-0210731 and comprises a silicone antifoam compound and an organic carrier material having a melting point in the range 50°C to 85°C, wherein the organic carrier material comprises a monoester of glycerol and a fatty acid having a carbon chain containing from 12 to 20 carbon atoms.
- EP-A-0210721 discloses other preferred particulate suds suppressing systems wherein the organic carrier material is a fatty acid or alcohol having a carbon chain containing from 12 to 20 carbon atoms, or a mixture thereof, with a melting point of from 45°C to 80°C.
- suds suppressing systems comprise polydimethylsiloxane or mixtures of silicone, such as polydimethylsiloxane, aluminosilicate and polycarboxylic polymers, such as copolymers of laic and acrylic acid.
- the component and/ or compositions herein may also comprise from 0.01% to 10 %, preferably from 0.05% to 0.5% by weight of polymeric dye transfer inhibiting agents.
- the polymeric dye transfer inhibiting agents are preferably selected from polyamine N- oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinylpyrrolidonepolymers or combinations thereof, whereby these polymers can be cross-linked polymers.
- SRA Polymeric Soil Release Agent
- SRA's will generally comprise from 0.01% to 10.0%, typically from 0.1% to 5%, preferably from 0.2% to 3.0% by weight.
- Preferred SRA's typically have hydrophilic segments to hydrophilize the surface of hydrophobic fibers such as polyester and nylon, and hydrophobic segments to deposit upon hydrophobic fibers and remain adhered thereto through completion of washing and rinsing cycles, thereby serving as an anchor for the hydrophilic segments. This can enable stains occurring subsequent to treatment with the SRA to be more easily cleaned in later washing procedures.
- Preferred SRA's include oligomeric terephthalate esters, typically prepared by processes involving at least one transesterification/oligomerization, often with a metal catalyst such as a titanium(IN) alkoxide.
- esters may be made using additional monomers capable of being incorporated into the ester structure through one, two, three, four or more positions, without, of course, forming a densely crosslinked overall structure.
- Suitable SRA's include a sulfonated product of a substantially linear ester oligomer comprised of an oligomeric ester backbone of terephthaloyl and oxyalkyleneoxy repeat units and allyl-derived sulfonated terminal moieties covalently attached to the backbone, for example as described in U.S. 4,968,451, November 6, 1990 to J.J. Scheibel and E.P. Gosselink.
- ester oligomers can be prepared by: (a) ethoxylating allyl alcohol; (b) reacting the product of (a) with dimethyl terephthalate (“DMT”) and 1 ,2-propylene glycol (“PG”) in a two-stage transesterification/oligomerization procedure; and (c) reacting the product of (b) with sodium metabisulfite in water.
- DMT dimethyl terephthalate
- PG ,2-propylene glycol
- SRA's include the nonionic end- capped 1,2-propylene/polyoxyethylene terephthalate polyesters of U.S.
- Gosselink et al. for example those produced by transesterification/oligomerization of poly(ethyleneglycol) methyl ether, DMT, PG and poly(ethyleneglycol) ("PEG").
- SRA's include: the partly- and fully- anionic-end-capped oligomeric esters of U.S. 4,721,580, January 26, 1988 to Gosselink, such as oligomers from ethylene glycol ("EG"), PG, DMT and Na-3,6-dioxa-8- hydroxyoctanesulfonate; the nonionic-capped block polyester oligomeric compounds of U.S.
- Gosselink for example produced from DMT, methyl (Me)-capped PEG and EG and/or PG, or a combination of DMT, EG and/or PG, Me-capped PEG and Na-dimethyl-5-sulfoisophthalate; and the anionic, especially sulfoaroyl, end-capped terephthalate esters of U.S.
- SRA's also include: simple copolymeric blocks of ethylene terephthalate or propylene terephthalate with polyethylene oxide or polypropylene oxide terephthalate, see U.S. 3,959,230 to Hays, May 25, 1976 and U.S. 3,893,929 to Basadur, July 8, 1975; cellulosic derivatives such as the hydroxyether cellulosic polymers available as METHOCEL from Dow; the C1-C4 alkyl celluloses and C4 hydroxyalkyl celluloses, see U.S.
- methyl cellulose ethers having an average degree of substitution (methyl) per anhydroglucose unit from about 1.6 to about 2.3 and a solution viscosity of from about 80 to about 120 centipoise measured at 20°C as a 2% aqueous solution.
- Such materials are available as METOLOSE SMI 00 and METOLOSE SM200, which are the trade names of methyl cellulose ethers manufactured by Shin-etsu Kagaku Kogyo KK.
- SRA's include: (I) nonionic terephthalates using diisocyanate coupling agents to link polymeric ester structures, see U.S. 4,201,824, Violland et al. and U.S. 4,240,918 Lagasse et al.; and (II) SRA's with carboxylate terminal groups made by adding trimellitic anhydride to known SRA's to convert terminal hydroxyl groups to trimellitate esters. With the proper selection of catalyst, the trimellitic anhydride forms linkages to the terminals of the polymer through an ester of the isolated carboxylic acid of trimellitic anhydride rather than by opening of the anhydride linkage.
- Either nonionic or anionic SRA's may be used as starting materials as long as they have hydroxyl terminal groups which may be esterified. See U.S. 4,525,524 Tung et al..
- Other classes include: (III) anionic terephthalate-based SRA's of the urethane-linked variety, see U.S. 4,201,824, Violland et al.;
- compositions of the invention include colours and filler salts, with sodium sulfate being a preferred filler salt.
- compositions contain from about 2% to about 10% by weight of an organic acid, preferably citric acid.
- an organic acid preferably citric acid.
- minor amounts e.g., less than about 20% by weight
- neutralizing agents e.g., buffering agents, phase regulants, hydrotropes, enzyme stabilizing agents, polyacids, suds regulants, opacifiers, anti-oxidants, bactericides and dyes, such as those described in US Patent 4,285,841 to Barrat et al., issued August 25, 1981 (herein incorporated by reference), can be present.
- the detergent compositions can include as an additional component a chlorine-based bleach.
- a chlorine-based bleach since the detergent compositions of the invention are solid, most liquid chlorine-based bleaching will not be suitable for these detergent compositions and only granular or powder chlorine-based bleaches will be suitable.
- the detergent compositions can be formulated such that they are chlorine- based bleach-compatible, thus ensuring that a chlorine based bleach can be added to the detergent composition by the user at the beginning or during the washing process.
- the chlorine-based bleach is such that a hypochlorite species is formed in aqueous solution.
- the hypochlorite ion is chemically represented by the formula OCT.
- Those bleaching agents which yield a hypochlorite species in aqueous solution include alkali metal and alkaline earth metal hypochlorites, hypochlorite addition products, chloramines, chlorimines, chloramides, and chlorimides.
- Specific examples of compounds of this type include sodium hypochlorite, potassium hypochlorite, monobasic calcium hypochlorite, dibasic magnesium hypochlorite, chlorinated trisodium phosphate dodecahydrate, potassium dichloroisocyanurate, sodium dichloroisocyanurate sodium dichloroisocyanurate dihydrate, trichlorocyanuric acid, l,3-dichloro-5,5- dimethylhydantoin, N-chlorosulfamide, Chloramine T, Dichloramine T, chloramine B and Dichloramine B.
- a preferred bleaching agent for use in the compositions of the instant invention is sodium hypochlorite, potassium hypochlorite, or a mixture thereof.
- a preferred chlorine-based bleach can be Triclosan (trade name).
- Most of the above-described hypochlorite-yielding bleaching agents are available in solid or concentrated form and are dissolved in water during preparation of the compositions of the instant invention. Some of the above materials are available as aqueous solutions.
- Machine laundry methods herein typically comprise treating soiled laundry with an aqueous wash solution in a washing machine having dissolved or dispensed therein an effective amount of a machine laundry detergent composition in accord with the invention.
- an effective amount of the detergent composition it is meant from lOg to 300g of product dissolved or dispersed in a wash solution of volume from 5 to 65 litres, as are typical product dosages and wash solution volumes commonly employed in conventional machine laundry methods.
- Preferred washing machines may be the so- called low-fill machines.
- the composition is formulated such that it is suitable for hard- surface cleaning or hand washing.
- the detergent composition is a pre-treatment or soaking composition, to be used to pre-treat or soak soiled and stained fabrics.
- the detergent compositions of the invention may be in the form of a liquid, gel, powder or tablet. Examples Abbreviations used in the effervescence component and detergent composition examples
- LAS Sodium linear CI 1-13 alkyl benzene sulfonate LAS (I) Potassium linear or branched CI 1-13 alkyl benzene sulfonate TAS Sodium tallow alkyl sulfate CxyAS Sodium Clx - Cly alkyl sulfate C46SAS Sodium C14 - C16 secondary (2,3) alkyl sulfate CxyEzS Sodium Clx-Cly alkyl sulfate condensed with z moles of ethylene oxide CxyEz Clx-Cly predominantly linear primary alcohol condensed with an average of z moles of ethylene oxide
- Nal2(AlO2SiO2)12.27H2O having an absorbency of 70g/100g and a particle size such that 99 wt% is below 15 microns and 0.04 wt % is above 45 microns.
- NaSKS-6 Crystalline layered silicate of formula d- Na2Si2O5 Citric acid I Anhydrous citric acid, 80% having a particle size of from 40 microns to 70 microns, and having a volume median particle size of 55 microns
- Citric acid II Anhydrous or monohydrate citric acid, 80% having a particle size of from 15 microns to 40 microns, having a volume average particle size of 25 microns
- Malic acid Anhydrous malic acid, 80% having a particle size of from 50 microns to 100 microns, having a volume median particle size of
- Maleic acid Anhydrous maleic acid, 80% having a particle size of from 5 microns to 30 microns, having a volume median particle size of 15 microns Tartaric acid Anhydrous tartaric acid, 80% having a particle size of from 25 microns to 75 microns, having a volume median particle size of 50 microns
- Carbonate I Anydrous sodium carbonate having 80% by volume of particles with a particle size from 50 microns to 150 microns with a volume median particle size of 100 microns
- Carbonate II Anydrous sodium carbonate having 80% by volume of particles with a particle size from 35 microns to 75 microns, having a volume median particle size of 55 microns
- Bicarbonate II Anhydrous sodium bicarbonate having 80% by volume of particles with a particle size from 100 microns to 200 microns with a volume median particle size of 150 microns
- Bicarbonate I Anydrous sodium bicarbonate having 80% by volume of particles with a particle size from 15 microns to 40 microns, having a volume median particle size of 25 microns
- Protease Proteolytic enzyme having 3.3% by weight of active enzyme, sold by NONO Industries A/S under the tradename Savinase Protease I : Proteolytic enzyme, having 4% by weight of active enzyme, as described in WO 95/10591, sold by Genencor Int. Inc.
- Alcalase Proteolytic enzyme, having 5.3% by weight of active enzyme, sold by NOVO Industries A/S Cellulase : Cellulytic enzyme, having 0.23% by weight of active enzyme, sold by NOVO Industries A/S under the tradename Carezyme
- Amylase Amylolytic enzyme, having 1.6% by weight of active enzyme, sold by NOVO Industries A S under the tradename Termamyl 120T
- Lipase Lipolytic enzyme, having 2.0% by weight of active enzyme, sold by NOVO Industries A/S under the tradename Lipolase
- Lipase (1) Lipolytic enzyme, having 2.0% by weight of active enzyme, sold by NOVO Industries A/S under the tradename Lipolase Ultra Endolase : Endoglucanase enzyme, having 1.5% by weight of active enzyme, sold by NOVO Industries A/S PB4 : Particle containing sodium perborate tetrahydrate of nominal formula NaBO2.3H2 O, the particles having a weight average particle size of 950 microns, 85% particles having a particle size of from 850 microns to 950 microns PB1 : Particle containing anhydrous sodium perborate bleach of nominal formula NaBO2.H 202, the particles having a weight average particle size of 800 microns, 85% particles having a particle size of from 750 microns to 950 microns Percarbonate : Particle containing sodium percarbonate of nominal formula
- the particles having a weight average particle size of 850 microns, 5% or less having a particle size of less than
- NAC-OBS Particle comprising (6-nonamidocaproyl) oxybenzene sulfonate, the particles having a weight average particle size of from 825 microns to 875 microns
- TAED I Particle containing tetraacetylethylenediamine the particles having a weight average particle size of from 700 microns to 1000 microns
- TAED II Tetraacetylethylenediamine of a particle size from 150 microns to
- Photoactivated Sulfonated zinc phthlocyanine encapsulated in bleach (1) dextrin soluble polymer
- Photoactivated Sulfonated alumino phthlocyanine encapsulated in bleach (2) dextrin soluble polymer
- Brightener 1 Disodium 4,4'-bis(2-sulphostyryl)biphenyl
- Brightener 2 Disodium 4,4'-bis(4-anilino-6-morpholino-l .3.5-triazin-2- yl)amino) stilbene-2 :2'-disulfonate
- EDDS Ethylenediamine-N,N'-disuccinic acid, (S,S) isomer in the form of its sodium salt.
- PEGx Polyethylene glycol, with a molecular weight of x (typically 4,000) PEO Polyethylene oxide, with an average molecular weight of 50,000 TEPAE Tetraethylenepentaamine ethoxylate PVI Poly vinyl imidosole, with an average molecular weight of 20,000 PVP Polyvinylpyrolidone polymer, with an average molecular weight of
- PNPVI Copolymer of polyvinylpyrolidone and vinylimidazole, with an average molecular weight of 20,000
- SRP 1 Anionically end capped poly esters
- SRP 2 Diethoxylated poly (1, 2 propylene terephtalate) short block polymer
- PEI Polyethyleneimine with an average molecular weight of 1800 and an average ethoxylation degree of 7 ethyleneoxy residues per nitrogen
- Silicone antifoam Polydimethylsiloxane foam controller with siloxane- oxyalkylene copolymer as dispersing agent with a ratio of said foam controller to said dispersing agent of 10:1 to 100:1
- Opacifier Water based monostyrene latex mixture, sold by BASF Aktiengesellschaft under the tradename Lytron 621
- Effervescence granule 60 wt % citric acid; 40 wt% sodium carbonate co-compacted or malic acid/sodium carbonate/sodium bicarbonate in weight ratios 40:20:40.
- the detergents exemplified are granular detergents, however, in order to form tablets, the granular detergents exemplified may undergo a conventional compression tabletting step .and may optionally be coated.
- compositions are in accordance with the invention.
- compositions are in accordance with the invention.
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- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9917202-0A BR9917202A (pt) | 1999-03-09 | 1999-03-09 | Composições detergentes |
CN99816624.3A CN1350574A (zh) | 1999-03-09 | 1999-03-09 | 洗涤剂组合物 |
EP99911210A EP1159384A1 (fr) | 1999-03-09 | 1999-03-09 | Compositions de detergents |
JP2000603336A JP2002538290A (ja) | 1999-03-09 | 1999-03-09 | 洗剤組成物 |
AU29905/99A AU2990599A (en) | 1999-03-09 | 1999-03-09 | Detergent compositions |
PCT/US1999/005065 WO2000053710A1 (fr) | 1999-03-09 | 1999-03-09 | Compositions de detergents |
CA002365628A CA2365628A1 (fr) | 1999-03-09 | 1999-03-09 | Compositions de detergents |
ARP000101049A AR022884A1 (es) | 1999-03-09 | 2000-03-09 | Composiciones detergentes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1999/005065 WO2000053710A1 (fr) | 1999-03-09 | 1999-03-09 | Compositions de detergents |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000053710A1 true WO2000053710A1 (fr) | 2000-09-14 |
Family
ID=22272323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/005065 WO2000053710A1 (fr) | 1999-03-09 | 1999-03-09 | Compositions de detergents |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1159384A1 (fr) |
JP (1) | JP2002538290A (fr) |
CN (1) | CN1350574A (fr) |
AR (1) | AR022884A1 (fr) |
AU (1) | AU2990599A (fr) |
BR (1) | BR9917202A (fr) |
CA (1) | CA2365628A1 (fr) |
WO (1) | WO2000053710A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2408052A (en) * | 2003-11-17 | 2005-05-18 | Reckitt Benckiser | Ultrasonic cleaning method and composition |
CN101298503B (zh) * | 2008-06-24 | 2010-08-11 | 中国石油集团川庆钻探工程有限公司地质勘探开发研究院 | 羧甲基纤维素钠在有机硅消泡剂制备过程中的速溶方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2573158B1 (fr) * | 2011-09-20 | 2016-11-30 | The Procter and Gamble Company | Composition de blanchiment pour les taches alimentaires |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1473201A (en) * | 1973-04-13 | 1977-05-11 | Henkel & Cie Gmbh | Washing and/or bleaching compositions containing silicate cation exchangers |
DE2753477A1 (de) * | 1977-12-01 | 1979-06-07 | Henkel Kgaa | Wasch- und reinigungsmittel mit einem gehalt an feinteiligen alkalialumosilikaten |
US4219535A (en) * | 1975-11-18 | 1980-08-26 | Mizusawa Kagaku Kogyo Kabushiki Kaisha | Alkali metal aluminosilicate detergent builder |
US4263266A (en) * | 1977-06-03 | 1981-04-21 | Rhone-Poulenc Industries | Process for the preparation of crystalline, alkaline, aluminosilicate |
US4303629A (en) * | 1976-11-11 | 1981-12-01 | Degussa & Henkel Kommanditgesellschaft auf Aktien | Crystalline zeolite powder of type A (I) |
EP0357989A1 (fr) * | 1988-08-12 | 1990-03-14 | Degussa Aktiengesellschaft | Zéolite Na A en poudre pour l'utilisation dans les produits détergents liquides |
WO1994000545A1 (fr) * | 1992-06-25 | 1994-01-06 | Unilever N.V. | Composition pour le lavage en machine de la vaisselle |
WO1996034828A1 (fr) * | 1995-05-01 | 1996-11-07 | Crosfield Limited | Zeolite de type p a particules de petite taille |
-
1999
- 1999-03-09 BR BR9917202-0A patent/BR9917202A/pt not_active IP Right Cessation
- 1999-03-09 AU AU29905/99A patent/AU2990599A/en not_active Abandoned
- 1999-03-09 CN CN99816624.3A patent/CN1350574A/zh active Pending
- 1999-03-09 WO PCT/US1999/005065 patent/WO2000053710A1/fr not_active Application Discontinuation
- 1999-03-09 EP EP99911210A patent/EP1159384A1/fr not_active Ceased
- 1999-03-09 CA CA002365628A patent/CA2365628A1/fr not_active Abandoned
- 1999-03-09 JP JP2000603336A patent/JP2002538290A/ja not_active Withdrawn
-
2000
- 2000-03-09 AR ARP000101049A patent/AR022884A1/es not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1473201A (en) * | 1973-04-13 | 1977-05-11 | Henkel & Cie Gmbh | Washing and/or bleaching compositions containing silicate cation exchangers |
US4219535A (en) * | 1975-11-18 | 1980-08-26 | Mizusawa Kagaku Kogyo Kabushiki Kaisha | Alkali metal aluminosilicate detergent builder |
US4303629A (en) * | 1976-11-11 | 1981-12-01 | Degussa & Henkel Kommanditgesellschaft auf Aktien | Crystalline zeolite powder of type A (I) |
US4263266A (en) * | 1977-06-03 | 1981-04-21 | Rhone-Poulenc Industries | Process for the preparation of crystalline, alkaline, aluminosilicate |
DE2753477A1 (de) * | 1977-12-01 | 1979-06-07 | Henkel Kgaa | Wasch- und reinigungsmittel mit einem gehalt an feinteiligen alkalialumosilikaten |
EP0357989A1 (fr) * | 1988-08-12 | 1990-03-14 | Degussa Aktiengesellschaft | Zéolite Na A en poudre pour l'utilisation dans les produits détergents liquides |
WO1994000545A1 (fr) * | 1992-06-25 | 1994-01-06 | Unilever N.V. | Composition pour le lavage en machine de la vaisselle |
WO1996034828A1 (fr) * | 1995-05-01 | 1996-11-07 | Crosfield Limited | Zeolite de type p a particules de petite taille |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2408052A (en) * | 2003-11-17 | 2005-05-18 | Reckitt Benckiser | Ultrasonic cleaning method and composition |
CN101298503B (zh) * | 2008-06-24 | 2010-08-11 | 中国石油集团川庆钻探工程有限公司地质勘探开发研究院 | 羧甲基纤维素钠在有机硅消泡剂制备过程中的速溶方法 |
Also Published As
Publication number | Publication date |
---|---|
BR9917202A (pt) | 2001-12-26 |
CN1350574A (zh) | 2002-05-22 |
AU2990599A (en) | 2000-09-28 |
EP1159384A1 (fr) | 2001-12-05 |
JP2002538290A (ja) | 2002-11-12 |
CA2365628A1 (fr) | 2000-09-14 |
AR022884A1 (es) | 2002-09-04 |
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