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WO2018060139A1 - Procédé de blanchissage domestique - Google Patents

Procédé de blanchissage domestique Download PDF

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Publication number
WO2018060139A1
WO2018060139A1 PCT/EP2017/074236 EP2017074236W WO2018060139A1 WO 2018060139 A1 WO2018060139 A1 WO 2018060139A1 EP 2017074236 W EP2017074236 W EP 2017074236W WO 2018060139 A1 WO2018060139 A1 WO 2018060139A1
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WO
WIPO (PCT)
Prior art keywords
wash
iii
wash method
rinse conditioner
anionic surfactant
Prior art date
Application number
PCT/EP2017/074236
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English (en)
Inventor
Stephen Norman Batchelor
Jayne Michelle Bird
David Stephen Grainger
Original Assignee
Unilever Plc
Unilever N.V.
Conopco, Inc., D/B/A Unilever
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57018034&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2018060139(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unilever Plc, Unilever N.V., Conopco, Inc., D/B/A Unilever filed Critical Unilever Plc
Priority to CN201780059387.XA priority Critical patent/CN109790491B/zh
Priority to EP17776999.9A priority patent/EP3519542B1/fr
Priority to BR112019006017A priority patent/BR112019006017A2/pt
Publication of WO2018060139A1 publication Critical patent/WO2018060139A1/fr
Priority to PH12019500526A priority patent/PH12019500526B1/en
Priority to ZA2019/01996A priority patent/ZA201901996B/en

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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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/62—Quaternary ammonium compounds
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/04—Carboxylic acids or salts thereof
    • C11D1/06—Ether- or thioether carboxylic acids
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/44—Multi-step processes

Definitions

  • the present invention provides a method for cleaning clothes in domestic laundry.
  • Rinse formulations containing quaternary ammonium compounds having at least one C12 to C22 alkyl chain for softening clothes are ubiquitous.
  • WO2013/087286 discloses liquids formulations containing alkyl ether carboxylic acids, betaines, anionic surfactant, non-ionic surfactant for providing softening benefits.
  • EP0154380 discloses a laundering agent which contains active detergent, builders, a combination of polyphosphate with zeolite as sequestering agent and, if desired, further usual additives, wherein the sequestering effect of the polyphosphate-zeolite combination is enhanced by an ethercarboxylic acid of the formula RO-(C2H40)x-CH2COOM or R-CO-NH- (C2H40)x-CH2COOM, wherein R is the residue of an aliphatic or alkyl aromatic
  • US374191 1 discloses a detergent composition, preferably phosphate-free, built using conventional builders, optionally including an organic sequestering agent, and contains as the active 15 system a coacervate system containing an alkyl or alkyl-aryl polyoxyalkylene carboxylic acid and a non-ionic detergent.
  • the coacervate system is suitable for washing fabrics and for use in automatic dish washing machines.
  • the present invention provides a wash method, the wash method comprising the sequential steps of:
  • the rinse conditioner comprises from 1 to 25 wt%, preferably 3 to 15 wt%, of a quaternary ammonium compound wherein in step (i) the quaternary ammonium compound has the general formula (I):
  • Ri , R2, R3 and R 4 are independently selected from a C1 -C30 hydrocarbon group, optionally containing a heteroatom or an ester or amide group; wherein at least 1 one of Ri , R2, R3 and R 4 are selected from C10 to C20 hydrocarbons group;
  • X is an anion
  • y is the valence of X
  • R-(OCH 2 CH2)n-OCH2-COOH wherein R is a saturated or mono-unsaturated C10 to C18 alkyl chain, preferably R is selected from the group consisting of: lauryl; stearyl; and;, oleyl alkyl chain, and n is greater than 4, more preferably from 5 to 20, most preferably from 10 to 20; and,
  • the treatment steps (i) and (iii) preferably take from 5 to 120 minutes each.
  • the wt% of anionic surfactants are calculated as the sodium salt.
  • 'a' or 'an' is used in reference to a class of ingredients, this can refer equally to one or one or more of the ingredient (i.e. to a single ingredient, or to a mixture of two or more of the ingredients).
  • an anionic surfactant can mean a single anionic surfactant or a mixture of anionic surfactants.
  • step (i) the quaternary ammonium compound has the general formula (I):
  • Ri , R2, R3 and R 4 are independently selected from a C1 -C30 hydrocarbon group, optionally containing a heteroatom or an ester or amide group; wherein at least 1 one of Ri , R2, R3 and R 4 are selected from C10 to C20 hydrocarbons group;
  • X is an anion
  • the quaternary ammonium compound preferably has the general formula (I):
  • R2, 3 and R 4 are independently selected from a C1 -C30 hydrocarbon group, optionally containing a heteroatom or an ester or amide group; wherein at least 1 one of Ri , R2, R3 and R 4 , preferably at least 2 of Ri , R2, R3 and R 4 , are selected from C10 to C20 hydrocarbons group, preferably C12 to C18.
  • the hydrocarbon groups are linear alkyl chains that are saturated or mono-unsaturated.
  • X is an anion; or example halide, such as CI or Br, sulphate, alkyl sulphate, nitrate or acetate; y is the valence of X.
  • quaternary ammonium compounds are:
  • TET Di(tallowcarboxyethyl)hydroxyethyl methyl ammonium methylsulfate
  • TEO Di(oleocarboxyethyl)hydroxyethyl methyl ammonium methylsulfate
  • TES Distearyl hydroxyethyl methyl ammonium methylsulfate
  • TEHT Di(hydrogenated tallow-carboxyethyl)hydroxyethyl methyl ammonium methylsulfate
  • TEP Di(palmiticcarboxyethyl)hydroxyethyl methyl ammonium methylsulfate
  • DEEDMAC Dimethylbis[2-[(1-oxooctadecyl)oxy]ethyl]ammonium chloride
  • DHT Dihydrogenated tallowdimethylammonium chloride.
  • TEAQ methyl bis-[ethyl (tallowoyl)]- 2-hydroxyethyl ammonium methyl sulphate.
  • the rinse conditioner has a pH of less than 7. More preferably the rinse conditioner has a pH of from 3 to 6.5.
  • the pH of the aqueous solution of step (i) is less than 7, more preferably from pH 3 to 6.5.
  • This in use pH is provided by the rinse conditioner formulation.
  • the in use pH can be measured for example by measuring an aqueous solution of the rinse conditioner dosed at 1 g/L.
  • the rinse conditioner used in step (i) comprises at most 1 % anionic surfactant. More preferably the rinse conditioner is free from anionic surfactant. Preferably the rinse conditioner used in step (i) comprises at most 1 % nonionic surfactant. More preferably the rinse conditioner is free from nonionic surfactant.
  • the main wash detergent formulation may be a powder, liquid or gel.
  • the main wash detergent formulation is preferably a non-phosphate laundry detergent formulation, i.e., contains less than 1 wt% of phosphate.
  • 'phosphate' embraces diphosphate, triphosphate, and phosphonate species.
  • the pH of the aqueous solution of step (iii) is from pH 7 to 1 1 .
  • This in use pH is provided by the main wash detergent formulation.
  • the in use pH can be measured for example by measuring an aqueous solution of the main wash detergent dosed at 1 g/L.
  • Powder laundry detergent formulations are predominantly carbonate built, i.e. the weight% of sodium carbonate is greater than the weight % sum of other builder ingredient present, preferably the weight% level of other builder materials is less than 30%, more preferably less than 15 wt% of the weight% level of sodium carbonate. Powders, should preferably give an in use pH of from 9.5 to 1 1 .
  • Liquid detergent formulations should preferably give an in use pH of from 7 to 9.
  • the main wash detergent formulation are powder laundry detergent formulations.
  • the main wash detergent formulations used in step (iii) comprises at most 1 % quaternary ammonium compounds. More preferably the main wash detergent is free from quaternary ammonium compounds.
  • the main wash detergent formulation may be present in a polvyinylalcohol pouch for ease of dispensing.
  • the main wash detergent formulation may contain non-ionic surfactant preferably wherein the weight fraction of non-ionic surfactant/anionic surfactant is from 0 to 0.3, preferably 0 to 0.15, most preferably 0 to 0.12;
  • the main wash detergent formulation contains from 0.002 to 0.2wt% of a subtilisin protease enzyme, preferably from 0.005 to 0.05 wt%;
  • Alkyl Ether Carboxylic acid have the form: R-(OCH2CH2) n -OCH2-COOH, wherein R is saturated or mono-unsaturated alkyl chain and n is preferably greater than 4, preferably selected from 5 to 20, most preferably 10 to 20, even more preferably from 15 to 20.
  • Alkyl Ether Carboxylic acid may be used as salt version for example sodium salt, or amine salt. So for the avoidance of doubt, where the acid form of the alkyl ether carboxylic acid is stated, or depicted, it is also intended to include carboxylate salts of the acid form.
  • the alkyl chain is preferably selected from: oleyl, Palmitoleyl, CH3(CH2)9-; CH3(CH2)i CH 3 (CH 2 )ii-; CH 3 (CH 2 )i2-; CH 3 (CH 2 )i 3 -; CH 3 (CH 2 )i 4 -; CH 3 (CH 2 )i 5 -; CH 3 (CH 2 )i 6 -; and,
  • CH 3 (CH 2 )i7- More preferably CH 3 (CH 2 )n-; CH 3 (CH 2 )i 7 - and oleyl ; most preferably
  • Alkyl ether carboxylic acid are available from Kao (Akypo ®), Huntsman (Empicol®) and Clariant (Emulsogen ®).
  • Alkyl ether carboxylic acids may be prepared by the modified Williamson synthesis:
  • the alkyl ether carboxylic acid dispersants is preferably added to the slurry before granulation of the detergent powder. Alternatively, it may be separately granulated and post-dosed or sprayed onto the finished powder.
  • the main wash detergent formulation comprises anionic charged surfactant (which includes a mixture of the same).
  • Alkyl ether carboxylate are included as anionic charged surfactant.
  • Suitable anionic detergent compounds which may be used are usually water-soluble alkali metal or amine salts of fatty acids (soaps), organic sulphates and sulphonates having alkyi radicals containing from about 8 to about 22 carbon atoms, the term alkyi being used to include the alkyi portion of higher alkyi radicals.
  • suitable synthetic anionic detergent compounds are sodium and potassium alkyi sulphates, especially those obtained by sulphating higher Cs to Cie alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyi Cg to C20 benzene sulphonates, particularly sodium linear secondary alkyi C10 to C15 benzene sulphonates; and sodium alkyi glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
  • the anionic surfactant is preferably selected from: linear alkyi benzene sulphonate; alkyi sulphates; alkyi ether sulphates; soaps; alkyi (preferably methyl) ester sulphonates, and mixtures thereof.
  • the most preferred anionic surfactants are selected from: linear alkyi benzene sulphonates; alkyi sulphates; soaps; alkyi ether sulphates and mixtures thereof.
  • the alkyi ether sulphate is a C12-C14 n-alkyl ether sulphate with an average of 1 to 3EO (ethoxylate) units.
  • Sodium lauryl ether sulphate is particularly preferred (SLES).
  • the linear alkyi benzene sulphonate is a sodium Cn to C15 alkyi benzene sulphonates (LAS).
  • the alkyi sulphates is a linear or branched sodium C12 to Cie alkyi sulphates.
  • SDS sodium dodecyl sulphate is particularly preferred, (SDS, also known as primary alkyi sulphate). Soaps are preferably C12 to C18 saturated fatty acids, preferably they are present at levels of less than 3wt% of the formulation.
  • LAS is the dominant anionic surfactant present. It is preferably that >80wt% of the anionic surfactant present is LAS.
  • liquid detergents it is preferably that >70wt% of the anionic surfactant are selected from LAS and SLES.
  • Non-ionic surfactant may be present in the surfactant mix.
  • Suitable nonionic detergent compounds which may be used include, in particular, the reaction products of compounds having an aliphatic hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids or amides, especially ethylene oxide either alone or with propylene oxide.
  • Preferred nonionic detergent compounds are the condensation products of aliphatic Cs to Cie primary or secondary linear or branched alcohols with ethylene oxide.
  • the non-ionic surfactant is an alkyl ethoxylated non-ionic surfactant and is a Cs to Cie primary alcohol, most preferably a C12-C16 primary alcohol, with an average ethoxylation of 7EO to 9EO units.
  • Subtilisin protease enzymes (EC 3.4.21 .62) hydrolyse bonds within peptides and proteins, in the laundry context this leads to enhanced removal of protein or peptide containing stains.
  • Subtilisin protease enzymes are members of the subtilase type serine proteases family.
  • subtilases refers to a sub-group of serine protease according to Siezen et al., Protein Engng. 4 (1991 ) 719-737 and Siezen et al. Protein Science 6 (1997) 501 -523.
  • Serine proteases are a subgroup of proteases characterized by having a serine in the active site, which forms a covalent adduct with the substrate.
  • the subtilases may be divided into 6 sub-divisions, of which the Subtilisin family is one.
  • subtilases are those derived from Bacillus such as Bacillus lentus, B.
  • subtilase variants may comprise the mutations: S3T, V4I, S9R, A15T, K27R, * 36D, V68A, N76D, N87S,R, * 97E, A98S, S99G,D,A, S99AD, S101 G,M,R S103A, V104I,Y,N, S106A, G1 18V,R, H 120D,N, N123S, S128L, P129Q, S130A, G160D, Y167A, R170S, A194P, G195E, V199M, V205I, L217D, N218D, M222S, A232V, K235L, Q236H, Q245R, N252K, T274A (using BPN' numbering).
  • subtilisin is derived from Bacillus gibsonii or Bacillus Lentus.
  • protease provides enhances cleaning in combination with the method.
  • the protease enzyme is preferably granulated and post-dosed into the powder.
  • the enzyme granules have a particle size smaller than 2 mm, as determined using graded sieves.
  • the enzyme granules have a particle size from 0.2 to 1.5mm as determined using graded sieves.
  • Subtilisin are commercially available, for example, from NovozymesTM and GenencorTM
  • the alkyl ether carboxylic acid dispersants is preferably added to the slurry before granulation of the detergent powder. Alternatively, it may be separately granulated and post-dosed or sprayed onto the finished powder. Builders or Complexinq Agents
  • the main wash formulation preferably contains a builder or complexing agent.
  • Builder materials may be selected from 1 ) calcium sequestrant materials, 2) precipitating materials, 3) calcium ion-exchange materials and 4) mixtures thereof.
  • Examples of calcium sequestrant builder materials include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetra-acetic acid.
  • precipitating builder materials examples include sodium orthophosphate and sodium carbonate.
  • Examples of calcium ion-exchange builder materials include the various types of water- insoluble crystalline or amorphous aluminosilicates, of which zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-0,384,070.
  • the main wash formulation may also contain 0-65 % of a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or
  • alkenylsuccinic acid nitrilotriacetic acid or the other builders mentioned below.
  • Many builders are also bleach-stabilising agents by virtue of their ability to complex metal ions.
  • Zeolite and carbonate are preferred builders for powder detergents.
  • the main wash formulation may contain as builder a crystalline aluminosilicate, preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is typically present at a level of less than 5%wt.
  • Aluminosilicates are materials having the general formula: 0.8-1.5 M 2 0. AI2O3. 0.8-6 Si02 where M is a monovalent cation, preferably sodium. These materials contain some bound water and are required to have a calcium ion exchange capacity of at least
  • the preferred sodium aluminosilicates contain 1.5-3.5 S1O2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
  • aluminosilicate builders include silicates, such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst) may be present.
  • silicates such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst) may be present.
  • Spray drying of the powder detergent is preferred.
  • the main wash formulation preferably comprises a fluorescent agent (optical brightener).
  • fluorescent agents are well known and many such fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
  • the total amount of the fluorescent agent or agents used in the composition is generally from 0.005 to 2 wt %, more preferably 0.01 to 0.1 wt %.
  • Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g.
  • Preferred fluorescers are: sodium 2 (4-styryl-3-sulfophenyl)-2H-napthol[1 ,2-d]triazole, disodium 4,4'-bis ⁇ [(4-anilino-6-(N methyl-N-2 hydroxyethyl) amino 1 ,3,5-triazin-2- yl)]amino ⁇ stilbene-2-2' disulfonate, disodium 4,4'-bis ⁇ [(4-anilino-6-morpholino-1 ,3,5-triazin-2- yl)]amino ⁇ stilbene-2-2' disulfonate, and disodium 4,4'-bis(2-sulfostyryl)biphenyl.
  • the main wash aqueous solution used in the method has a fluorescer present.
  • a fluorescer is present in the aqueous solution used in the method it is preferably in the range from 0.0001 g/l to 0.1 g/l, preferably 0.001 to 0.02 g/l.
  • the rinse conditioner and main wash formulation both comprises a perfume.
  • the perfume is preferably in the range from 0.001 to 3 wt %, most preferably 0.1 to 1 wt %.
  • CTFA Cosmetic, Toiletry and Fragrance Association
  • perfumes are provided in the CTFA (Cosmetic, Toiletry and Fragrance Association) 1992 International Buyers Guide, published by CFTA Publications and OPD 1993 Chemicals Buyers Directory 80th Annual Edition, published by Schnell Publishing Co. It is commonplace for a plurality of perfume components to be present in a formulation. In the compositions of the present invention it is envisaged that there will be four or more, preferably five or more, more preferably six or more or even seven or more different perfume components. Encapsulated perfume may be used. In perfume mixtures preferably 15 to 25 wt% are top notes. Top notes are defined by
  • top-notes are selected from citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol. Perfume and top note may be used to cue the cleaning and whiteness benefit of the invention.
  • the main wash formulation may comprise one or more further polymers.
  • examples are carboxymethylcellulose, ethoxylated polyethyleneimine (EPEI), polymeric ester of aromatic dicarboxylic acids, poly (ethylene glycol), polyvinyl alcohol), polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.
  • EPEI is preferably a base (unreacted) polyethylene imine of 400 to 1200 molecular weight that has been ethoxylated with 10 to 30 mole equivalent of ethylene oxide per N-H in the a base (unreacted) polyethylene imine.
  • One or more further enzymes are preferred present in main wash formulation and when practicing a method of the invention.
  • the level of each further enzyme in the main wash formulation of the invention is from 0.0001 wt% to 0.1 wt% protein.
  • the further enzyme is preferably selected from: amylases, Mannanases, lipases; and, cellulases, most preferably amylases and lipases.
  • Suitable lipases include those sold under the tradenames lipex®, Lipoclean® and Lipolex® by Novozymes, Bagsvaerd Denmark.
  • Any enzyme present in the main wash formulation may be stabilized using conventional stabilizing agents, e.g., a polyol such as propylene glycol or glycerol, a sugar or sugar alcohol, lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative such as 4-formylphenyl boronic acid, and the composition may be formulated as described in e.g. WO 92/19709 and WO 92/19708.
  • a polyol such as propylene glycol or glycerol
  • a sugar or sugar alcohol lactic acid, boric acid, or a boric acid derivative, e.g., an aromatic borate ester, or a phenyl boronic acid derivative such as 4-formylphenyl boronic acid
  • Shading dyes are preferably present in the main wash formulation formulation at a level from 0.002 to 0.2 wt%.
  • Dyes are described in Color Chemistry Synthesis, Properties and Applications of Organic Dyes and Pigments, (H Zollinger, Wiley VCH, Zurich, 2003) and, Industrial Dyes Chemistry, Properties Applications. (K Hunger (ed), Wiley-VCH Weinheim 2003).
  • Shading Dyes for use in laundry detergents preferably have an extinction coefficient at the maximum absorption in the visible range (400 to 700nm) of greater than 5000 L mol "1 cm “1 , preferably greater than 10000 L mol "1 cm “1 .
  • the dyes are blue or violet in colour.
  • Preferred shading dye chromophores are azo, azine, anthraquinone, and triphenylmethane.
  • Azo, anthraquinone, phthalocyanine and triphenylmethane dyes preferably carry a net anionic charged or are uncharged.
  • Azine preferably carry a net anionic or cationic charge.
  • Blue or violet shading dyes deposit to fabric during the wash or rinse step of the washing process providing a visible hue to the fabric.
  • the dye gives a blue or violet colour to a white cloth with a hue angle of 240 to 345, more preferably 250 to 320, most preferably 250 to 280.
  • the white cloth used in this test is bleached non-mercerised woven cotton sheeting.
  • WO 2006/032397 (Unilever), WO2006/045275 (Unilever), WO06/027086 (Unilever), WO 2008/017570 (Unilever), WO 2008/141880 (Unilever), WO2009/132870 (Unilever), WO 2009/141 173 (Unilever), WO 2010/099997 (Unilever), WO 2010/102861 (Unilever), WO 2010/148624 (Unilever), WO2008/087497 (P&G), WO201 1/01 1799 (P&G),
  • Mono-azo dyes preferably contain a heterocyclic ring and are most preferably thiophene dyes.
  • Bis-azo dyes are preferably sulphonated bis-azo dyes.
  • Preferred examples of sulphonated bis-azo compounds are direct violet 7, direct violet 9, direct violet 1 1 , direct violet 26, direct violet 31 , direct violet 35, direct violet 40, direct violet 41 , direct violet 51 , Direct Violet 66, direct violet 99 and alkoxylated versions thereof.
  • Alkoxylated bis-azo dyes are discussed in WO2012/054058 and WO2010/151906..
  • An example of an alkoxylated bis-azo dye is:
  • Azine dye are preferably selected from sulphonated phenazine dyes and cationic phenazine dyes. Preferred examples are acid blue 98, acid violet 50, dye with CAS-No 72749-80-5, acid blue 59, and the phenazine dye selected from:
  • X 3 is selected from: -H; -F; -CH 3 ; -C 2 H 5 ; -OCH 3 ; and, -OC 2 H 5 ;
  • X 4 is selected from: -H; -CH 3 ; -C 2 H 5 ; -OCH 3 ; and, -OC 2 H 5 ;
  • Y 2 is selected from: -OH; -OCH 2 CH 2 OH; -CH(OH)CH 2 OH; -OC(0)CH 3 ; and, C(0)OCH 3 .
  • the shading dye is present is present in the composition in range from 0.0001 to
  • the shading dye is a blue or violet shading dye.
  • a mixture of shading dyes may be used.
  • the dyes are listed according to Colour Index (Society of Dyers and Colourists/American Association of Textile Chemists and Colorists) classification.
  • the carbonate built powder detergent formulations are present in 0.5 to 5kg packs.
  • Sokalan CP5 (BASF) 0.4

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Abstract

La présente invention concerne un procédé de blanchissage domestique comprenant les étapes séquentielles consistant à : (i) agiter un vêtement textile dans une solution aqueuse de 0,5 à 10 g/l d'un conditionneur de rinçage comprenant de 1 à 25 % en pds d'un composé d'ammonium quaternaire présentant la formule générale (I) : [N+(R1)(R2)(R3)(R4)]y X- (I) : • R1 à R4, étant indépendamment sélectionnés parmi un groupe hydrocarbure en C1 à C30 ; au moins l'un de R1 à R4 étant sélectionné parmi les groupes hydrocarbures en C10 à C20 ; • X étant un anion ; • y étant la valence de X ; (ii) sécher le vêtement textile ; (iii) agiter le vêtement textile dans une solution aqueuse de 0,5 à 10 g/l d'une formulation principale de détergent de lavage comprenant de 5 à 40 % en pds de tensioactif anionique, le tensioactif anionique fournissant de 0,02 à 1 g/l, d'un acide alkyl éther carboxylique ou un sel carboxylate de ce dernier présentant la structure suivante : R-(OCH2CH2)n-OCH2-COOH, R étant une chaîne alkyle en C10 à C18 saturée ou mono-insaturée et n > 4.
PCT/EP2017/074236 2016-09-27 2017-09-25 Procédé de blanchissage domestique WO2018060139A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201780059387.XA CN109790491B (zh) 2016-09-27 2017-09-25 家用洗衣方法
EP17776999.9A EP3519542B1 (fr) 2016-09-27 2017-09-25 Procédé de lavage du linge domestique
BR112019006017A BR112019006017A2 (pt) 2016-09-27 2017-09-25 método de lavagem de roupa
PH12019500526A PH12019500526B1 (en) 2016-09-27 2019-03-12 Domestic laundering method
ZA2019/01996A ZA201901996B (en) 2016-09-27 2019-03-29 Domestic laundering method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16190945.2 2016-09-27
EP16190945 2016-09-27

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WO2023012093A1 (fr) 2021-08-05 2023-02-09 Unilever Ip Holdings B.V. Procédé
WO2025045966A1 (fr) * 2023-08-30 2025-03-06 Unilever Ip Holdings B.V. Composition de lessive solide

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023012093A1 (fr) 2021-08-05 2023-02-09 Unilever Ip Holdings B.V. Procédé
WO2025045966A1 (fr) * 2023-08-30 2025-03-06 Unilever Ip Holdings B.V. Composition de lessive solide

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PH12019500526A1 (en) 2020-02-24
CN109790491B (zh) 2021-02-23
EP3519542B1 (fr) 2020-02-19
AR109557A1 (es) 2018-12-19
ZA201901996B (en) 2020-07-29
CN109790491A (zh) 2019-05-21
EP3519542A1 (fr) 2019-08-07
PH12019500526B1 (en) 2022-01-12

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