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WO2000066695A1 - Compositions de detergents - Google Patents

Compositions de detergents Download PDF

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Publication number
WO2000066695A1
WO2000066695A1 PCT/US2000/009893 US0009893W WO0066695A1 WO 2000066695 A1 WO2000066695 A1 WO 2000066695A1 US 0009893 W US0009893 W US 0009893W WO 0066695 A1 WO0066695 A1 WO 0066695A1
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WO
WIPO (PCT)
Prior art keywords
clay
tablet
region
surfactant
concentration
Prior art date
Application number
PCT/US2000/009893
Other languages
English (en)
Inventor
Jose Luis Vega
Eric Tcheou
Alfred Busch
Andre Cesar Baeck
Original Assignee
The Procter & Gamble Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to AU42372/00A priority Critical patent/AU4237200A/en
Priority to CA002368922A priority patent/CA2368922A1/fr
Priority to EP00922141A priority patent/EP1175476A1/fr
Publication of WO2000066695A1 publication Critical patent/WO2000066695A1/fr

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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
    • C11D3/1253—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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0078—Multilayered tablets
    • 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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/001—Softening compositions

Definitions

  • the tablet Due to the gas created by the effervescency in the tablet, the tablet can have a higher D.F.S. and still have the same disintegration time as a tablet without effervescency.
  • the D.F.S. of the tablet with effervescency is kept the same as a tablet without, the disintegration of the tablet with effervescency will be faster.
  • Illite and kaolinite clays are preferably not used as the clay in the instant compositions. Indeed, such illite and kaolinite clays constitute a major component of clay soils and, as noted above, are removed from fabric surfaces by means of the instant compositions.
  • smectites such as nontonite, having an ion exchange capacity of around 70 meq/100 g.
  • montmorillonite which has an ion exchange capacity greater than 70 meq/100 g.
  • clay minerals useful herein can be characterised as expandable, three-layer smectite-type clays having an ion exchange capacity of at least about 50 meq/100 g.
  • the smectite clays used in the compositions herein are all commercially available. Such clays include, for example, montmorillonite, volchonskoite, nontronite, hectorite, saponite, sauconite, and vermiculite.
  • the clays herein are available under various tradenames, for example, Thixogel #1 and Gelwhite GP from Georgia Kaolin Co., Elizabeth, New Jersey; Volclay BC and Volclay #325, from American Colloid Co., Skokie, Illinois; Black Hills Bentonite BH450, from International Minerals and Chemicals; and Veegum Pro and Veegum F, from R.T. Vanderbilt. It is to be recognised that such smectite-type minerals obtained under the foregoing tradenames can comprise mixtures of the various discrete mineral entities. Such mixtures of the smectite minerals are suitable for use herein.
  • smectite-type clays having a cation exchange capacity of at least about 50 meq/100 g. are useful herein, certain clays are preferred.
  • Gelwhite GP is an extremely white form of smectite clay and is therefore preferred when formulating white granular detergent compositions.
  • Volclay BC which is a smectite-type clay mineral containing at least 3% of iron (expressed as Fe 2 O 3 ) in the crystal lattice, and which has a very high ion exchange capacity, is one of the most efficient and effective clays for use in laundry compositions and is preferred from the standpoint of product performance.
  • Appropriate clay minerals for use herein can be selected by virtue of the fact that smectites exhibit a true 14A x-ray diffraction pattern. This characteristic pattern, taken in combination with exchange capacity measurements performed in the manner noted above, provides a basis for selecting particular smectite- type minerals for use in the granular detergent compositions disclosed herein.
  • the clay is preferably mainly in the form of granules, with at least 50% (and preferably at least 75% or at least 90%) being in the form of granules having a size of at least 100 ⁇ m up to 1800 ⁇ m, preferably up to 1180 ⁇ m, preferably 150-850 ⁇ m.
  • the amount of clay in the granules is at least 50%, usually at least 70% or 90%, of the weight of the granules.
  • the tablet comprises at least 5% by weight of surfactant, more preferably at least 15% by weight, even more preferably at least 25% by weight, and most preferably between 35% and 55% by weight of surfactant.
  • the amount of anionic is preferably at least 1.5 times, generally at least 2 or 3 times, the total amount of other surfactants.
  • compositions herein function surprisingly well even in the presence of the so-called “weak” builders (as compared with phosphates) such as citrate, or in the so-called “underbuilt” situation that may occur with zeolite or layered siiicate builders.
  • silicate builders are the alkali metal silicates, particularly those having a SiO 2 :Na 2 O ratio in the range 1.6:1 to 3.2:1 and layered silicates, such as the layered sodium silicates described in U.S. Patent 4,664,839, issued May 12, 1987 to H. P. Rieck.
  • NaSKS-6 is the trademark for a crystalline layered silicate marketed by Hoechst (commonly abbreviated herein as "SKS-6").
  • Hoechst commonly abbreviated herein as "SKS-6”
  • the Na SKS-6 silicate builder does not contain aluminum.
  • NaSKS-6 has the delta-Na 2 SiO 5 morphology form of layered silicate.
  • SKS-6 is a highly preferred layered silicate for use herein, but other such layered silicates, such as those having the general formula NaMSixO 2 x+1.yH 2 O wherein M is sodium or hydrogen, x is a number from 1.9 to 4, preferably 2, and y is a number from 0 to 20, preferably 0 can be used herein.
  • Various other layered silicates from Hoechst include NaSKS-5, NaSKS-7 and NaSKS-11 , as the alpha, beta and gamma forms.
  • delta- Na 2 SiO 5 (NaSKS-6 form) is most preferred for use herein.
  • Other silicates may also be useful such as for example magnesium silicate, which can serve as a crispening agent in granular formulations, as a stabilizing agent for oxygen bleaches, and as a component of suds control systems.
  • carbonate builders are the alkaline earth and alkali metal carbonates as disclosed in German Patent Application No. 2,321 ,001 published on November 15, 1973.
  • aluminosilicate ion exchange materials are commercially available. These aluminosilicates can be crystalline or amorphous in structure and can be naturally-occurring aluminosilicates or synthetically derived. A method for producing aluminosilicate ion exchange materials is disclosed in U.S. Patent 3,985,669, Krummel, et al, issued October 12, 1976. Preferred synthetic crystalline aluminosilicate ion exchange materials useful herein are available under the designations Zeolite A, Zeolite P (B), Zeolite MAP and Zeolite X. In an especially preferred embodiment, the crystalline aluminosilicate ion exchange material has the formula:
  • x is from about 20 to about 30, especially about 27.
  • This material is known as Zeolite A.
  • the aluminosilicate has a particle size of about 0.1-10 microns in diameter.
  • polycarboxylate builders encompasses the ether polycarboxylates, including oxydisuccinate, as disclosed in Berg, U.S. Patent 3,128,287, issued April 7, 1964, and Lamberti et al, U.S. Patent 3,635,830, issued January 18, 1972. See also "TMS/TDS" builders of U.S. Patent 4,663,071 , issued to Bush et al, on May 5, 1987.
  • Suitable ether polycarboxylates also include cyclic compounds, particularly alicyclic compounds, such as those described in U.S. Patents 3,923,679; 3,835,163; 4,158,635; 4,120,874 and 4,102,903.
  • ether hydroxypolycarboxylat.es copolymers of maleic anhydride with ethylene or vinyl methyl ether, 1 , 3, 5-trihydroxy benzene-2, 4, 6-trisulphonic acid, and carboxymethyloxysuccinic acid
  • various alkali metal, ammonium and substituted ammonium salts of polyacetic acids such as ethylenediamine tetraacetic acid and nitrilotriacetic acid
  • polycarboxylates such as mellitic acid, succinic acid, oxydisuccinic acid, polymaleic acid, benzene 1 ,3,5- tricarboxylic acid, carboxymethyloxysuccinic acid, and soluble salts thereof.
  • Citrate builders e.g., citric acid and soluble salts thereof (particularly sodium salt), are polycarboxylate builders of particular importance for heavy duty liquid detergent formulations due to their availability from renewable resources and their biodegradability. Citrates can also be used in granular compositions, especially in combination with zeolite and/or layered silicate builders. Oxydisuccinates are also especially useful in such compositions and combinations.
  • succinic acid builders include the C5-C20 alkyl and alkenyl succinic acids and salts thereof.
  • a particularly preferred compound of this type is dodecenylsuccinic acid.
  • succinate builders include: laurylsuccinate, myristylsuccinate, palmitylsuccinate, 2-dodecenylsuccinate (preferred), 2-pentadecenylsuccinate, and the like. Laurylsuccinates are the preferred builders of this group, and are described in European Patent Application 86200690.5/0,200,263, published November 5, 1986.
  • Fatty acids e.g., C12-C18 monocarboxylic acids
  • the aforesaid builders especially citrate and/or the succinate builders, to provide additional builder activity.
  • Such use of fatty acids will generally result in a diminution of sudsing, which should be taken into account by the formulator.
  • the various alkali metal phosphates such as the well-known sodium tripolyphosphates, sodium pyrophosphate and sodium orthophosphate can be used.
  • Phosphonate builders such as ethane-1-hydroxy-1 ,1-diphosphonate and other known phosphonates (see, for example, U.S. Patents 3,159,581 ; 3,213,030; 3,422,021 ; 3,400,148 and 3,422,137) can also be used.
  • the detergent compositions herein may contain bleaching agents or bleaching compositions containing a bleaching agent and one or more bleach activators.
  • bleaching agents will typically be at levels of from about 1 % to about 30%, more typically from about 5% to about 20%, of the detergent composition, especially for fabric laundering.
  • the amount of bleach activators will typically be from about 0.1 % to about 60%, more typically from about 0.5% to about 40% of the bleaching composition comprising the bleaching agent-plus-bleach activator.
  • the bleaching agents used herein can be any of the bleaching agents useful for detergent compositions in textile cleaning, hard surface cleaning, or other cleaning purposes that are now known or become known. These include oxygen bleaches as well as other bleaching agents.
  • Perborate bleaches e.g., sodium perborate (e.g., mono- or tetra-hydrate) can be used herein.
  • Another category of bleaching agent that can be used without restriction encompasses percarboxylic acid bleaching agents and salts thereof. Suitable examples of this class of agents include magnesium monoperoxyphthalate hexahydrate, the magnesium salt of metachloro perbenzoic acid, 4-nonylamino- 4-oxoperoxybutyric acid and diperoxydodecanedioic acid.
  • Such bleaching agents are disclosed in U.S. Patent 4,483,781 , Hartman, issued November 20,
  • Peroxygen bleaching agents can also be used. Suitable peroxygen bleaching compounds include sodium carbonate peroxyhydrate and equivalent "percarbonate” bleaches, sodium pyrophosphate peroxyhydrate, urea peroxyhydrate, and sodium peroxide. Persulfate bleach (e.g., OXONE, manufactured commercially by DuPont) can also be used.
  • a preferred percarbonate bleach comprises dry particles having an average particle size in the range from about 500 micrometers to about 1 ,000 micrometers, not more than about 10% by weight of said particles being smaller than about 200 micrometers and not more than about 10% by weight of said particles being larger than about 1 ,250 micrometers.
  • the percarbonate can be coated with silicate, borate or water-soluble surfactants.
  • Percarbonate is available from various commercial sources such as FMC, Solvay and Tokai Denka.
  • Mixtures of bleaching agents can also be used.
  • R1 N(R5)C(O)R2C(O)L or R1C(O)N(R5)R2C(O)L wherein R1 is an alkyl group containing from about 6 to about 12 carbon atoms, R2 is an alkylene containing from 1 to about 6 carbon atoms, R5 is H or alkyl, aryl, or alkaryl containing from about 1 to about 10 carbon atoms, and L is any suitable leaving group.
  • a leaving group is any group that is displaced from the bleach activator as a consequence of the nucleophilic attack on the bleach activator by the perhydrolysis anion.
  • a preferred leaving group is phenyl sulfonate.
  • bleach activators of the above formulae include (6- octanamido-caproyl)oxybenzenesulfonate, (6- nonanamidocaproyl)oxybenzenesulfonate, (6-decanamido- caproyl)oxybenzenesulfonate, and mixtures thereof as described in U.S. Patent 4,634,551 , incorporated herein by reference.
  • Another class of bleach activators comprises the benzoxazin-type activators disclosed by Hodge et al in U.S. Patent 4,966,723, issued October 30, 1990, incorporated herein by reference.
  • a highly preferred activator of the benzoxazin-type is:
  • R6 is H or an alkyl, aryl, alkoxyaryl, or alkaryl group containing from 1 to about 12 carbon atoms.
  • Highly preferred lactam activators include benzoyl caprolactam, octanoyl caprolactam, 3,5,5-trimethylhexanoyl caprolactam, nonanoyl caprolactam, decanoyl caprolactam, undecenoyl caprolactam, benzoyl valerolactam, octanoyl valerolactam, decanoyl valerolactam, undecenoyl valerolactam, nonanoyl valerolactam, 3,5,5- trimethylhexanoyl valerolactam and mixtures thereof. See also U.S. Patent 4,545,784, issued to Sanderson, October 8, 1985, incorporated herein by reference, which discloses acyl caprolactams, including benzoyl caprolactam, adsorbed into sodium per
  • Bleaching agents other than oxygen bleaching agents are also known in the art and can be utilized herein.
  • One type of non-oxygen bleaching agent of particular interest includes photoactivated bleaching agents such as the sulfonated zinc and/or aluminum phthalocyanines. See U.S. Patent 4,033,718, issued July 5, 1977 to Holcombe et al. If used, detergent compositions will typically contain from about 0.025% to about 1.25%, by weight, of such bleaches, especially sulfonate zinc phthalocyanine.
  • the bleaching compounds can be catalyzed by means of a manganese compound.
  • a manganese compound Such compounds are well known in the art and include, for example, the manganese-based catalysts disclosed in US-A-5,246,621 , US- A-5,244,594; US-A-5,194,416; US-A-5,1 14,606; and EP-A-549,271 , EP-A- 549,272, EP-A-544,440, and EP-A-544,490; Preferred examples of these catalysts include MnlV2(u-O)3(1 ,4,7-trimethyM ,4,7-triazacyclononane)2(PF6)2, Mnlll2(u-O)1 (u-OAc)2(1 ,4,7-trimethyl-1 ,4,7-triazacyclononane)2-(CIO4)2, MnlV4(u-O)6(1 ,4,7-triazacyclononane)4
  • metal-based bleach catalysts include those disclosed in U.S. Pat. 4,430,243 and U.S. Pat. 5,114,611.
  • the use of manganese with various complex ligands to enhance bleaching is also reported in the following United States Patents: 4,728,455; 5,284,944; 5,246,612; 5,256,779; 5,280,117; 5,274,147; 5,153,161 ; and 5,227,084.
  • compositions and processes herein can be adjusted to provide on the order of at least one part per ten million of the active bleach catalyst species in the aqueous washing liquor, and will preferably provide from about 0.1 ppm to about 700 ppm, more preferably from about 1 ppm to about 500 ppm, of the catalyst species in the laundry liquor.
  • Enzymes can be included in the formulations herein for a wide variety of fabric laundering purposes, including removal of protein-based, carbohydrate- based, or triglyceride-based stains, for example, and for the prevention of refugee dye transfer, and for fabric restoration.
  • the enzymes to be incorporated include proteases, amylases, lipases, cellulases, and peroxidases, as well as mixtures thereof.
  • Other types of enzymes may also be included. They may be of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin. However, their choice is governed by several factors such as pH-activity and/or stability optima, thermostability, stability versus active detergents, builders and so on. In this respect bacterial or fungal enzymes are preferred, such as bacterial amylases and proteases, and fungal cellulases.
  • Enzymes are normally incorporated at levels sufficient to provide up to about 5 mg by weight, more typically about 0.01 mg to about 3 mg, of active enzyme per gram of the composition. Stated otherwise, the compositions herein will typically comprise from about 0.001 % to about 5%, preferably 0.01 %-1% by weight of a commercial enzyme preparation. Protease enzymes are usually present in such commercial preparations at levels sufficient to provide from 0.005 to 0.1 Anson units (AU) of activity per gram of composition. Suitable examples of proteases are the subtilisins which are obtained from particular strains of B. subtilis and B. licheniforms.
  • protease is obtained from a strain of Bacillus, having maximum activity throughout the pH range of 8-12, developed and sold by Novo Industries A/S under the registered trade name ESPERASE. The preparation of this enzyme and analogous enzymes is described in British Patent Specification No. 1 ,243,784 of Novo.
  • Proteolytic enzymes suitable for removing protein-based stains include those sold under the tradenames ALCALASE and SAVINASE by Novo Industries A/S (Denmark) and MAXATASE by International Bio-Synthetics, Inc. (The Netherlands).
  • proteases include Protease A (see EP-A-130,756, published January 9, 1985) and Protease B (see European Patent Application 87303761.8, filed April 28, 1987, and EP-A- 130,756, Bott et al, published January 9, 1985).
  • Amylases include, for example, -amylases described in GB-A-1 ,296,839 (Novo), RAPIDASE, International Bio-Synthetics, Inc. and TERMAMYL, Novo Industries.
  • the cellulase usable in the present invention include both bacterial or fungal cellulase. Preferably, they will have a pH optimum of between 5 and 9.5.
  • Suitable cellulases are disclosed in US Patent 4,435,307, Barbesgoard et al, issued March 6, 1984, which discloses fungal cellulase produced from Humicola insolens and Humicola strain DSM1800 or a cellulase 212-producing fungus belonging to the genus Aeromonas, and cellulase extracted from the hepatopancreas of a marine mollusk (Dolabella Auricula Solander).
  • suitable cellulases are also disclosed in GB-A-2.075.028; GB-A-2.095.275 and DE-OS- 2.247.832. CAREZYME (Novo) is especially useful.
  • lipolyticum NRRLB 3673 commercially available from Toyo Jozo Co., Tagata, Japan; and further Chromobacter viscosum lipases from U.S. Biochemical Corp., U.S.A. and Disoynth Co., The Netherlands, and lipases ex Pseudomonas gladioli.
  • the LIPOLASE enzyme derived from Humicola lanuginosa and commercially available from Novo is a preferred lipase for use herein.
  • Peroxidase enzymes are used in combination with oxygen sources, e.g., percarbonate, perborate, persulfate, hydrogen peroxide, etc. They are used for "solution bleaching," i.e. to prevent transfer of dyes or pigments removed from substrates during wash operations to other substrates in the wash solution.
  • Peroxidase enzymes are known in the art, and include, for example, horseradish peroxidase, ligninase, and haloperoxidase such as chloro- and bromo- peroxidase.
  • Peroxidase-containing detergent compositions are disclosed, for example, in PCT International Application WO 89/099813, published October 19, 1989, by O. Kirk, assigned to Novo Industries A S.
  • Patent 3,600,319 issued August 17, 1971 to Gedge, et al, and European Patent Application Publication No. 0 199 405, Application No. 86200586.5, published October 29, 1986, Venegas. Enzyme stabilization systems are also described, for example, in U.S. Patent 3,519,570.
  • clay flocculating polymers are fairly long chained polymers and co- polymers derived from such monomers as ethylene oxide, acrylamide, acrylic acid, dimethylamino ethyl methacrylate, vinyl alcohol, vinyl pyrrolidone and ethylene imine. Gums, like guar gum, are suitable as well.
  • polymers of ethylene oxide, acrylamide or acrylic acid are preferred. These polymers dramatically enhance the deposition of a fabric softening clay if their molecular weights are in the range of from 100 000 to 10 million. Preferred are such polymers having a weight average molecular weight of from 150000 to 5 million.
  • the most preferred polymer is poly (ethylene oxide).
  • Molecular weight distributions can be readily determined using gel permeation chromatography, against standards of poly (ethylene oxide) of narrow molecular weight distributions.
  • the amount of flocculant is preferably 0.5-10% by weight of the tablet, most preferably about 2 to 6%.
  • the flocculant is preferably mainly in the form of granules, with at least 50% by weighty (and preferably at least 75% and most preferably at least 90%) being in the form of granules having a size of at least 100 ⁇ m up to 1800 ⁇ m, preferably up to 1180 ⁇ m and most preferably 150-850 ⁇ m
  • the amount of flocculant in the granules is at least 50%, generally at least 70% or 90%, of the weight of the granules.
  • compositions which are commonly used in detergent compositions and which may be incorporated into the detergent tablets of the present invention include chelating agents, soil release agents, soil antiredeposition agents, dispersing agents, brighteners, suds suppressors, fabric softeners, dye transfer inhibition agents and perfumes.
  • one layer contained all the clay and 38 parts anionic surfactant, while the other layer contained zero clay and 24 parts anionic surfactant.
  • Example 2
  • Clay extrudate comprise 97% of montmorillonite clay and 3% water.
  • Flocculant raw material is polyethylene oxide with an average molecular weight of 300,000.
  • Anionic agglomerates 1 comprise of 40% anionic surfactant, 27% zeolite and
  • Cationic agglomerates comprise of 20% cationic surfactant, 56% zeolite and
  • Layered silicate comprises of 95% SKS 6 and 5% silicate.
  • Ethylene diamine N,N-disuccinic acid sodium salt/Sulphate particle comprise of
  • Zinc phthalocyanine sulphonate encapsulates are 10% active,
  • Example 1 gave the highest % residue.
  • Example 2 gave a lower % residue but Example 3 gave a very much lower % residue and so showed the best dispersion properties.
  • Clay extrudate comprise 97% of CSM Quest 5A clay and 3% water
  • Flocculant raw material is polyethylene oxide with an average molecular weight of 300,000
  • Anionic agglomerates 1 comprise of 40% anionic surfactant, 27% zeolite and 33% carbonate
  • Anionic agglomerates 2 comprise of 40% anionic surfactant, 28% zeolite and 32% carbonate
  • Cationic agglomerates comprise of 20% cationic surfactant, 56% zeolite and 24% sulphate
  • Layered silicate comprises of 95% SKS 6 and 5% silicate
  • Bleach activator agglomerates comprise of 81 % TAED, 17% acrylic/maleic copolymer (acid form) and 2% water.
  • Ethylene diamine N,N-disuccinic acid sodium salt/Sulphate particle comprise of 58% of Ethylene diamine N,N-disuccinic acid sodium salt, 23% of sulphate and 19% water.
  • Zinc phthalocyanine sulphonate encapsulates are 10% active.
  • Suds suppressor comprises of 1 1.5% siiicone oil (ex Dow Corning);
  • composition of example B the citric acid used was replaced with micronised citric acid.
  • the citric acid used was ground with a coffee grinder to the following psd prior to use.
  • Clay extrudate comprise 97% of CSM Quest 5A clay and 3% water Flocculant raw material is polyethylene oxide with an average molecular weight of 300,000
  • Layered silicate comprises of 95% SKS 6 and 5% silicate Bleach activator agglomerates comprise of 81 % TAED, 17% acrylic/maleic copolymer (acid form) and 2% water.
  • Ethylene diamine N,N-disuccinic acid sodium salt/Sulphate particle comprise of 58% of Ethylene diamine N,N-disuccinic acid sodium salt, 23% of sulphate and 19% water.
  • the anionic particle was a blown powder with the following composition:
  • Example A-G are repeated by dipping the tablets made with the indicated composition in a bath comprising 80 parts of adipic acid mixed with 18.5 parts of CSM Quest 9 clay and 1.5 parts of Coasol (Coasol being a diisobutyladipate).
  • the tablet may also comprise a high molecular weight poly(ethyleneoxide), cellulosic disintegrant, and/ or acetate. It could also further comprise high soluble salts.

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Abstract

L'invention concerne un comprimé détergent à lessive assouplissant, constituée d'argile et de tensioactif à lessive et présentant une concentration d'argile plus élevée dans les premières régions que dans les secondes. Ledit comprimé peut avoir une concentration de tensioactif plus grande dans les premières régions que dans les secondes.
PCT/US2000/009893 1999-04-30 2000-04-13 Compositions de detergents WO2000066695A1 (fr)

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AU42372/00A AU4237200A (en) 1999-04-30 2000-04-13 Detergent compositions
CA002368922A CA2368922A1 (fr) 1999-04-30 2000-04-13 Compositions de detergents
EP00922141A EP1175476A1 (fr) 1999-04-30 2000-04-13 Compositions de detergents

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EP99870087A EP1048718A1 (fr) 1999-04-30 1999-04-30 Compositions détergentes
EP99870087.6 1999-04-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376692A (en) * 2001-06-22 2002-12-24 Reckitt Benckiser Nv Fabric softening laundry tablet
WO2003038126A1 (fr) * 2001-10-31 2003-05-08 Ebara Corporation Billes sondes pour reaction d'affinite et systeme de detection

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5377001A (en) * 2000-04-26 2001-11-07 Colgate Palmolive Co Spherical compacted unit dose softener
CA2406174A1 (fr) * 2000-04-26 2001-11-01 Colgate-Palmolive Company Adoucissant en dose unitaire pour cycle de lavage
US6258767B1 (en) * 2000-04-26 2001-07-10 Colgate-Palmolive Co. Spherical compacted unit dose softener
EP1149893B1 (fr) * 2000-04-26 2010-12-15 Colgate-Palmolive Company Ensemble doseur pour une composition adoucissante utilisable dans un cycle de lavage
DE10044496A1 (de) * 2000-09-08 2002-03-21 Cognis Deutschland Gmbh Waschmitteltabletten
EP1201741A1 (fr) * 2000-10-31 2002-05-02 The Procter & Gamble Company Compositions détergentes
GB0124333D0 (en) * 2001-10-10 2001-11-28 Unilever Plc Detergent tablet compositions
FR2969171B1 (fr) * 2010-12-17 2013-01-04 Eurotab Tablette adoucissante pour textile
AU2023374479A1 (en) * 2022-10-31 2025-04-10 Colgate-Palmolive Company Home care compositions

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466484A2 (fr) * 1990-07-13 1992-01-15 Unilever Plc Compositions détergentes
DE4404279A1 (de) * 1994-02-10 1995-08-17 Henkel Kgaa Tablette mit Buildersubstanzen
JPH0987696A (ja) * 1995-09-27 1997-03-31 Lion Corp 錠剤型ノニオン洗剤組成物
GB2320255A (en) * 1996-12-12 1998-06-17 Procter & Gamble Process for making tabletted detergent compositions
WO1999040171A1 (fr) * 1998-02-04 1999-08-12 Unilever Plc Compositions detergentes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466484A2 (fr) * 1990-07-13 1992-01-15 Unilever Plc Compositions détergentes
DE4404279A1 (de) * 1994-02-10 1995-08-17 Henkel Kgaa Tablette mit Buildersubstanzen
JPH0987696A (ja) * 1995-09-27 1997-03-31 Lion Corp 錠剤型ノニオン洗剤組成物
GB2320255A (en) * 1996-12-12 1998-06-17 Procter & Gamble Process for making tabletted detergent compositions
WO1999040171A1 (fr) * 1998-02-04 1999-08-12 Unilever Plc Compositions detergentes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 199, no. 707 31 July 1997 (1997-07-31) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376692A (en) * 2001-06-22 2002-12-24 Reckitt Benckiser Nv Fabric softening laundry tablet
WO2003038126A1 (fr) * 2001-10-31 2003-05-08 Ebara Corporation Billes sondes pour reaction d'affinite et systeme de detection

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AU4237200A (en) 2000-11-17
EP1175476A1 (fr) 2002-01-30
EP1048718A1 (fr) 2000-11-02
CA2368922A1 (fr) 2000-11-09

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