ES2622134T3 - Casting Treatment Compositions - Google Patents

Abstract

A casting treatment composition comprising: (i) from 0.05% by weight to 40% by weight of a particle of an insoluble waxy ester, the particle having a size in the range of 1 to 3000 micrometers; and (ii) from 2 to 70% by weight of a surfactant.

Description

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DESCRIPTION

Pouring treatment compositions Field of the invention

The present invention relates to laundry detergent compositions that are added to the wash and to methods for using them during the washing cycle of a laundry process performed by the consumer.

Background

Colored clothes are very popular among consumers. To remove dirt during washing, the clothes are vigorously stirred in the water with a washing formulation. This procedure causes damage to the surface of the clothing, which reduces its aesthetic appeal. These damages are a problem when granular casting compositions are used in particular.

US 2006/0052271 discloses a process for treating fabrics to reduce the abrasion of tissues in the wash, the method comprising applying to fabrics in a washing liquor of a polysaccharide and water-insoluble particles, deformable, with a size in the range of 0.05-5 micrometers.

EP 1 478 720 (Procter & Gamble) discloses the use of dispersible waxy polyolefins in detergent formulations with an average particle size of 5 nm to 5 micrometers.

Summary of the invention

The inventors have discovered that the particles of insoluble waxy esters provide greater color care by reducing the damage caused by the laundry of the fabric.

In one aspect, the present invention provides a laundry treatment composition comprising:

(i) from 0.05% by weight to 40% by weight of a particle of an insoluble waxy ester, the particle having a size in the range of 1 to 3000 micrometers; Y

(ii) from 2 to 70% by weight of a surfactant.

A second aspect of the invention provides a domestic method for treating a textile material, the method comprising the steps of:

(i) treating a textile material with an aqueous solution of 1 to 20 g / l of the compositions of the first aspect; Y

(ii) rinse and dry the textile material.

A third aspect of the invention provides the use of insoluble waxy esters particles to avoid damage to the laundry being washed during a domestic main washing procedure.

Detailed description of the invention

The amount of the components present in the laundry treatment composition indicated herein is indicated in% by weight of the total composition, unless otherwise indicated.

Except in the operation and comparative examples, or when explicitly stated otherwise, it should be understood that all numbers in this description that indicate quantities or proportions of materials or reaction conditions, physical properties of the materials and / or uses are modified by the term "approximately".

The laundry treatment composition may be in the form of an isotropic liquid, a structured liquid with surfactants, a granular powder, spray-dried or dry-mixed, a tablet, a paste, a molded solid or any other form of laundry detergent. known by experts in the field. The composition is preferably a liquid or granular casting composition, most preferably a granular casting composition.

A waxy ester is obtained by a condensation reaction of a carboxylic acid and an alcohol to form an ester. Waxy esters molecules contain less than three ester bonds per molecule. Preferably, the waxy ester molecule contains only one ester bond per molecule.

The waxy ester can be a natural secretion of plants or animals, it can be produced artificially by means of a purification from natural oil or it can be completely synthetic.

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The insoluble waxy ester particle may be made from a single type of waxy ester or from a mixture of two or more types of waxy esters.

"Insoluble," as used herein in relation to waxy ester particles, means that the waxy ester particle must not dissolve in water or in surfactant solutions, so that when 1 g / l of particles they are introduced into an aqueous solution containing 2 g / l of sodium dodecyl sulfate at room temperature and stirred at 100 rpm on a rotary shaker at 293 K for 2 hours, then removed from the solution by filtration through a sieve or a filter paper with an appropriate size and dried, then the weight of the removed particles is within 95%, more preferably 99% by weight of the amount added.

Insoluble waxy esters particles are present in the laundry treatment composition at a level of from 0.05 to 40% by weight, preferably from 0.1 to 5% by weight.

The insoluble waxy ester particle has a size of 1 to 3000 micrometers, preferably 5 to 2500 micrometers.

The size of the insoluble waxy ester particle means the maximum value of the largest particle size.

The size of the insoluble waxy ester particle is measured using graduated sieves and corresponds to those retained or passed through said sieves.

The insoluble waxy ester particle comprises one or more waxy ester molecules at a level greater than 50% by weight of the particle, preferably greater than 70% by weight of the particle. For example, the insoluble waxy ester particle may comprise one or more waxy ester molecules at a level greater than 50% by weight at 100% by weight, or preferably greater than 70% by weight at 100% by weight of the particle of Waxy ester.

The insoluble waxy ester particle may contain other chemical species, for example alkanes, fatty acids, primary and secondary alcohols, diols, ketones, aldends. If present, they will be present at a level less than 50%, preferably 70% by weight of the waxy esters particles.

The waxy esters molecules present in the insoluble waxy ester particle have a molecular weight less than 5000 daltons, preferably less than 2000 daltons. Molecular weight can be measured by conventional chemical techniques, such as mass spectroscopy.

For the avoidance of doubt, the waxy esters molecules that constitute the insoluble waxy ester particle described herein are not esters of glycerin triglycerides (propan-1,2,3-triol) with three fatty acids.

Therefore, the insoluble waxy ester particle does not contain glycerin triglyceride esters (propan-1,2,3-triol) with three fatty acids.

In an alternative embodiment, the insoluble waxy ester particle does not contain waxy esters molecules comprising cationic groups.

Preferably, the insoluble waxy ester particle does not contain cationic groups.

Preferably, the particles of insoluble waxy esters are white, so that when their color is measured using a reflectometer (excluding UV) and it is expressed as CIE values L * a * b *, L *> 70, a * is between - 3 and +3 and b * is between 5 and -10.

TENSIOACTIVE

The composition comprises between 2 to 70% by weight of a surfactant, most preferably 10 to 30% by weight. In general, the nonionic and anionic surfactants of the surfactant system can be chosen from the surfactants described in "Surface Active Agents", vol. 1, from Schwartz & Perry, Interscience 1949, vol. 2, from Schwartz, Perry & Berch, Interscience 1958, in the current issue of "McCutcheon's Emulsifiers and Detergents", published by Manufacturing Confectioners Company, or in "Tenside-Taschenbuch", H. Stache, 2nd ed., Carl Hauser Verlag, 1981. Preferably, the surfactants used are saturated.

Suitable non-ionic detergent compounds that can be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkylphenols with alkylene oxides, especially ethylene oxide alone or with propylene oxide. The specific non-ionic detergent compounds are condensates of alkyl (C6-C22) ethylene oxide phenols, in general from 5 to 25 OE, that is, from 5 to 25 units of ethylene oxide per molecule, and the condensation products of linear or branched aliphatic Ca to C-ia primary or secondary alcohols with oxides of

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ethylene, in general from 5 to 40 OE.

Suitable anionic detergent compounds that can generally be used are water-soluble alkali metal salts of sulfates and organic sulphonates having alkyl radicals of about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals. Examples of suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulfates, especially those obtained by sulfating higher alcohols Ca to C18, produced, for example, from tallow or coconut oil, sodium and potassium Cg to C20 alkyl benzenesulfonates , in particular linear secondary C10 to C15 alkyl benzenesulfonates; and sodium alkyl glyceryl ether sulfates, especially the ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum. Preferred anionic detergent compounds are sodium C11 to C15 alkyl benzenesulfonates and sodium C12 to C18 alkyl sulfates. Surfactants, such as those described in EP-A-328 177 (Unilever), which show desalination resistance, the alkyl polyglycoside surfactants described in EP-A-070 074 and alkyl monoglycosides can also be employed.

Preferred surfactant systems are mixtures of anionic and non-ionic active detergent materials, in particular the groups and examples of anionic and non-ionic surfactants indicated in EP-A-346 995 (Unilever). Especially preferred is a surfactant system that is a mixture of an alkali metal salt of a C16 to C18 primary alcohol sulfate, together with a 3 to 7 EO ethoxylate of a C12 to C15 primary alcohol.

The non-ionic detergent is preferably present in amounts greater than 10%, for example, from 25 to 90% by weight of the surfactant system. Anionic surfactants may be present, for example, in amounts in the range of about 5% by weight to about 40% by weight of the surfactant system.

COADYUVANTES OR COMPLEXING AGENTS

The composition optionally comprises 1 to 50% by weight of an adjuvant. Preferably, the adjuvant is present at a level of 1 to 40% by weight.

The adjuvant materials may be selected from 1) calcium sequestrant materials, 2) precipitating materials, 3) calcium ion exchange materials and 4) mixtures thereof.

It is preferred that when an insoluble inorganic adjuvant, eg, zeolite, is used, the size is in the range of 0.1 to 10 micrometers (measured with the Mastersizer 2000 particle size analyzer using Malvern ™ laser diffraction).

Examples of calcium sequestering adjuvant materials include alkali metal polyphosphates, such as sodium tripolyphosphate, and organic sequestrants, such as ethylenediaminetetraacetic acid.

Examples of precipitating adjuvant materials include sodium orthophosphate and sodium carbonate.

Examples of calcium ion exchange adjuvant materials include the various types of water-insoluble crystalline or amorphous aluminosilicates, of which the best known representative is zeolite, for example, zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the type P zeolite described in EP-A-0.384.070.

The composition may also contain 0-50% by weight of an adjuvant or complexing agent, such as ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, alkyl- or alkenylsuccrnic acid, nitrilotriacetic acid or the other adjuvants mentioned below. Many adjuvants are also bleaching stabilizing agents by virtue of their ability to complex metal ions.

Zeolite and carbonate (which includes bicarbonate and sesquicarbonate) are the preferred adjuvants.

The composition may contain, as an adjuvant, a crystalline aluminosilicate, preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is generally present at a level less than 15% by weight. Aluminosilicates are materials that have the general formula:

0.8-1.5 M2O. AhOg 0.8-6 SiO2

in which M is a monovalent cation, preferably sodium. These materials contain a certain amount of bound water and are required to have a calcium ion exchange capacity of at least 50 mg CaO / g. Preferred sodium aluminosilicates contain 1.5-3.5 SiO2 units in the above formula. They can be easily prepared by a reaction between sodium silicate and sodium aluminate, as described.

extensively in the bibliography. The ratio of surfactants to aluminosilicate (when present) is preferably greater than 5: 2, more preferably greater than 3: 1.

As an alternative or in addition to aluminosilicate adjuvants, phosphate adjuvants can be used. In this technique, the term "phosphate" includes diphosphate, triphosphate and phosphonate species. Other forms of adjuvants include silicates, such as soluble silicates, metasilicates, layered silicates (eg, Hoechst SKS-6).

Preferably, the laundry detergent formulation is a non-phosphate based laundry detergent formulation, that is, it contains less than 1% phosphate by weight.

MATIZING AGENT

The laundry treatment composition preferably comprises a blue or violet mattifying agent in the range of 0.0001 to 0.01% by weight. Matting agents reduce the perception of damage in many colored garments and increase the whiteness of white garments.

The matting agents are preferably selected from blue and violet dyes of the basic, direct and acid dispersed solvent type listed in the color index (Society of Dyers and Colors and American Association of 15 Textile Chemists and Colorists, 2002).

Preferably, a direct violet dye or direct blue dyes is present. Preferably, the dyes are b / s-azoic, tr / s-azoic or trifendioxazine dyes. Benzine-based dyes, which are carcinogenic, are not preferred.

Dyes containing b / s-azoic copper can be used, such as direct violet 66.

20 The most preferred b / s-azo dyes have the following structure:

image 1

in which:

rings D and E can independently be naphthyl or phenyl, as shown;

R1 is selected from: hydrogen and C1-C4 alkyl, preferably hydrogen;

R2 is selected from: hydrogen, C1-C4 alkyl, substituted or unsubstituted phenyl and substituted or unsubstituted naphthyl, preferably phenyl;

R3 and R4 are independently selected from: hydrogen and C1-C4 alkyl, preferably hydrogen or methyl; X and Y are independently selected from: hydrogen, C1-C4 alkyl and C1-C4 alkoxy; preferably, in the dye, X = methyl; and Y = methoxy, and n is 0, 1 or 2, preferably 1 or 2.

Preferred b / s-azo dyes are direct violet 7, direct violet 9, direct violet 11, direct violet 26, direct violet 31, direct violet 35, direct violet 40, direct violet 41, direct violet 51 and direct violet 99.

Preferred solvents and dispersed dyes are selected from mono-azoic or anthraquinone dyes, most preferably violet solvent 13, dispersed violet 27, dispersed violet 26, dispersed violet 28, dispersed violet 35 63 and dispersed violet 77.

A preferred pigment is violet pigment 23.

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ENZYMES

The laundry treatment composition preferably comprises one or more enzymes that provide a cleaning action and / or tissue care benefits. Examples of suitable enzymes include, but are not limited to, hemicellulases, peroxidases, proteases, cellulases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, mannases, pectate lyases, keratinases, reductases, oxidases, phenoxidases, liponasinases, liponasinases, liponasinases Tanases, pentosanases, malanases, arabinosidases, hyaluronidase, chondroitinase, laccase and amylases or mixtures thereof. A typical combination is an enzyme cocktail that can comprise, for example, a protease and a lipase together with an amylase. When present in a cleaning composition, the additional enzymes mentioned above may be present at levels of about 0.00001% by weight to about 2% by weight, from about 0.0001% by weight to about 1% by weight, even from about 0.001% by weight to about 0.5% by weight of enzyme protein by weight of the composition.

Preferred enzymes are cellulases.

FLUORESCENT AGENT

The composition preferably comprises a fluorescent agent (optical brightener). Fluorescent agents are well known and many of these fluorescent agents are commercially available. Typically, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, sodium salts. The total amount of fluorescent agent or agents employed in the composition is, in general, 0.005 to 2% by weight, more preferably 0.01 to 0.1% by weight. Preferred classes of fluorescent are: diestyrylbiphenyl compounds, for example, Tinopal (trademark) CBS-X, diaminoestylbendisulfonic acid compounds, for example, Tinopal DMS pure Xtra and Blankophor (trademark) HRH, and pyrazoline compounds, for example , Blankophor SN. Preferred fluorescents are: 2- (4-styryl-3-sulfophenyl) -2H-naphthol [1,2-d] sodium trazol, 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 disodium and 4,4'-bis (2-sulfoestyryl) biphenyl disodium.

FRAGRANCE

Preferably, the composition comprises a perfume. The perfume is preferably in the range of 0.001 to 3% by weight, most preferably 0.1 to 1% by weight. Many suitable examples of perfumes are provided in 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 common for a plurality of perfume components to be present in a formulation. In the compositions of the present invention, it is contemplated that there are four or more, preferably five or more, more preferably six or more, or even seven or more different perfume components.

In perfume mixtures, preferably 15 to 25% by weight are head notes. Head notes are defined in Poucher (Journal of the Society of Cosmetic Chemists, 6 (2): 80 [1955]). Preferred head notes are selected from oils of citrus, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol.

The perfume and the head note can be used to give input to the tissue care benefit of the invention.

It is preferred that the laundry treatment composition does not contain a peroxgene bleach, for example, sodium percarbonate, sodium perborate, and peracide.

POLYMERS

The composition may comprise one or more polymers. Examples are carboxymethyl cellulose, poly (ethylene glycol), polyvinyl alcohol, polycarboxylates, such as polyacrylates, maleic / acrylic acid copolymers and lauryl methacrylate / acrylic acid copolymers.

The polymers present to prevent dye deposition, for example, poly (vinyl pyrrolidone), poly (vinyl pyridine-N-oxide), and poly (vinylimidazole) are preferably absent from the formulation.

HYDROTROPO

For compositions in the form of a liquid it is useful to include a hydrotrope, which prevents the formation of liquid crystals. Therefore, the addition of the hydrotrope helps the clarity / transparency of the composition. Hydrotropes

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Suitable include, but are not limited to, propylene glycol, ethanol, urea, benzenesulfonate salts, toluene sulfonate, xylene sulphonate or cumene sulphonate. Suitable salts include, but are not limited to, sodium, potassium, ammonium, monoethanolamine, triethanolamine. Preferably, the hydrotrope is selected from the group consisting of propylene glycol, xylene sulphonate, ethanol and urea to provide optimum performance. The amount of hydrotrope, in general, is in the range of 0 to 30%, preferably 0.5 to 30%, more preferably 0.5 to 30%, most preferably 1 to 15%.

Experimental part

Example 1

Three samples of cotton knitted fabric (20 by 20 cm) taken with Vat 4 Blue were washed in a compartment of a QuickWash Plus ™ tissue test system (SDL International). In a separate compartment samples of equivalent cotton knitting were placed, these were taken with Reagent Orange 16. The machine was filled with 3.5 liters of 26 ° French hard water and 24.5 g of PersilColour powder (from UK), which is a non-ionic / LAS surfactant powder constituted with zeolite and carbonate. To this 0.5 g of antifoam was added. The washing lasted 15 minutes and then the machine was drained, centrifuged and then three 90-second rinses were performed, draining and centrifuging after each one. After washing, the fabric was dried in a dryer. The procedure was repeated 5 times. Then the entire experiment was repeated but with the addition of 1 g / l of various additives.

After the washings, the reflectances of the Blue VAT tissues at 430 nm and the Orange Reactive tissues at 650 nm were measured in a Murakami gonio spectrophotometer with an angle of incidence of 65 ° and a measurement angle of 55 °. The reflectance of the new tissues was 27.20 for Vat Blue and 65.13 for Reactive Orange. The reflectance was compared with the reflectance of a new unwashed tissue and was expressed as AR = | R (new) - R (washed) |. The AR (control powder) for Vat Blue was 6.06 and for Reactive Orange it was 5.36. In the results shown in Table 1, the average AR between blue and orange tissues is indicated up to one decimal place.

Table 1

 Product

 AR average

 Control powder

 6.1

 Ceridust 5551 A waxy ester with an average particle size of 7.5-9.5 | im

 3.7

 Licowax W400 A waxy ester of cationic mountain

 5.1

 Licowax OP A saponified mountain ester with a particle size <250 | im

 3.5

The materials were obtained in Clariant ™.

The results demonstrate an improvement in the reflectance values when the waxy ester particles are incorporated. Lower reflectance values indicate less tissue damage as a result of the casting procedure.

Example 2

Examples of granular casting formulations A, B, CD

 Formulation

 A B C D

 Nalas

 15 20 10 14

 NI (7 OE)

 - - - 10

 Na tripolyphosphate

 - fifteen - -

 Soap

 - - - 2

 Zeolite A24

 7 - - 17

 Sodium silicate

 5 4 5 1

 Sodium carbonate

 25 20 30 20

 Sodium sulfate

 40 33 40 22

(continuation)

 Carboxymethyl cellulose

 0.2 0.3 - 0.5

 Sodium chloride

 - - - 5

 Lipase

 0.005 0.01 - 0.005

 Protease

 0.005 0.01 - 0.005

 Amylase

 0.001 0.003 - -

 Cellulase

 - 0.003 - -

 Fluorescent

 0.01 0.15 0.05 0.3

 Direct Violet 9

 0.0002 0.00015 - 0.0001

 Solvent Violet 13

 - 0.002 - 0.001

 Ceridust 5551

 1 0.5 0.5 0.5

 Sulphonated Zn phthalocyanine photobleach

 0.002 0.004 - -

 Water, impurities and minor ingredients

 Up to 100% by weight Up to 100% by weight Up to 100% by weight Up to 100% by weight

Enzyme levels are indicated as a percentage of pure enzyme. The levels of direct violet 9, solvent violet 13 and sulfonated Zn phthalocyanine photobleach are indicated as pure dye. NI (7 OE) refers to R- (OCH2CH2) nOH, in which R is a C12 to C15 alkyl chain, and n is 7.

5 The formulations are prepared by adding the direct violet 9 and the sulphonated Zn phthalocyanine photobleach to the suspension, which is then spray dried. Alternatively, the dyes and the photobleach can be added through post-dosed MgSO4 granules.

Solvent violet 13 was dissolved in non-ionic surfactant (7 OE) and granulated on bentonite clay to obtain a granule containing 0.2% by weight dye. This was postdosed to the formulation.

10 The particles of Ceridust 5551 were postdosed to the formulation.

Example 3

The following examples of liquid E-H casting formulations were created.

 Formulation

 E F G H

 Nalas

 14 10 15 21

 NI (7 OE)

 10 5 21 15

 SLES (3 OE)

 7 10 7 -

 Soap

 2 4 1 0

 Citric acid

 1 1 - 1

 Glycerol

 0 1 5 0

 Propylene glycol

 5 3 0 4

 Sodium chloride

 one - - -

 Ethoxylated amine polymers

 0.5 1 - -

 Triethanolamine

 0 0.5 3 1

 Fragrance

 0.2 0.1 0.3 0.4

 Fluorescent

 0.05 0.1 0.15 0.2

 Protease

 0.005 0.01 - 0.005

 Amylase

 0.001 0.003 - -

(continuation)

 Formulation

 E F G H

 Lipase

 - 0.003 - -

 Fluorescent

 0.1 0.15 0.05 0.3

 Ceridust 5551

 0.1 0.2 0.15 0.5

 Solvent Violet 13

 - 0.002 0 0.001

 Water, impurities and minor ingredients

 Up to 100% by weight Up to 100% by weight Up to 100% by weight Up to 100% by weight

Enzyme levels are indicated as a percentage of pure enzyme. Solvent violet levels 13 are indicated as pure dye. NI (7 OE) refers to R- (OCH2CH2) nOH, in which R is a C12 to C15 alkyl chain, and n 5 is 7. NaLAS is linear alkyl benzenesulfonate (LAS) and (SLES (3 OE) ) is polyethoxylated C12-C18 alkyl sulfate (3.0).

Example 4

A rinse conditioner formulation was also created for use in the wash rinse stage. It contains 13.7% by weight of N, N-di (seboyloxyethyl) -N, N-dimethylammonium chloride, 1.5% by weight of perfume, 10 1% by weight of Ceridust 5551, the rest being minor ingredients and water .

Claims (12)

5 10 fifteen twenty 25 30 1. A laundry treatment composition comprising: (i) from 0.05% by weight to 40% by weight of a particle of an insoluble waxy ester, the particle having a size in the range of 1 to 3000 micrometers; Y (ii) from 2 to 70% by weight of a surfactant. 2. A laundry treatment composition according to claim 1, further comprising adjuvant at a level of 1 to 50% by weight. 3. A casting treatment composition according to claim 1 or claim 2, wherein the insoluble waxy ester particle has a size in the range of 5 to 2500 micrometers. 4. A laundry treatment composition according to any one of claims 1 to 3, wherein the insoluble waxy ester particle is present at a level of 0.1 to 5% by weight. 5. A casting treatment composition according to any one of claims 1 to 4, wherein the insoluble waxy ester particle comprises one or more waxy ester molecules at a level greater than 50% by weight of the particle. 6. A casting treatment composition according to claim 5, wherein the insoluble waxy ester particle comprises one or more waxy ester molecules at a level greater than 70% by weight of the particle. 7. A casting treatment composition according to any one of claims 1 to 6, wherein the waxy ester molecules present in the insoluble waxy ester particle have a molecular weight less than 5000 daltons. 8. A laundry treatment composition according to claim 7, wherein the waxy ester molecules present in the insoluble waxy ester particle have a molecular weight less than 2000 daltons. 9. A laundry treatment composition according to any one of claims 1 to 8, wherein the composition comprises a blue or violet mattifying agent in the range of 0.0001 to 0.01% by weight. 10. A laundry treatment composition according to any one of claims 1 to 9, wherein the composition comprises one or more enzymes, at a level from about 0.00001% by weight to about 2% by weight, preferably the enzyme It is a cellulase. 11. A domestic process for treating a textile material, comprising the steps of: (i) treating a textile material with an aqueous solution of 1 to 20 g / l of the composition of any one of claims 1 to 10; Y (ii) rinse and dry the textile material. 12. Use of insoluble waxy esters particles to prevent damage to the laundry being washed during a main domestic washing procedure.