EP1814974B1 - Compositions de traitement du linge - Google Patents

Compositions de traitement du linge Download PDF

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Publication number
EP1814974B1
EP1814974B1 EP05790693A EP05790693A EP1814974B1 EP 1814974 B1 EP1814974 B1 EP 1814974B1 EP 05790693 A EP05790693 A EP 05790693A EP 05790693 A EP05790693 A EP 05790693A EP 1814974 B1 EP1814974 B1 EP 1814974B1
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EP
European Patent Office
Prior art keywords
dye
group
substituted
acid
granule
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EP05790693A
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German (de)
English (en)
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EP1814974A1 (fr
Inventor
Stephen Norman Unilever R & D BATCHELOR
Jayne Michelle Unilever R & D BIRD
Andrew Paul Unilever R & D CHAPPLE
Peter Unilever R & D GRAHAM
Angela Quadir
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Unilever PLC
Unilever NV
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Unilever PLC
Unilever NV
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Priority claimed from GBGB0425580.8A external-priority patent/GB0425580D0/en
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
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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
    • C11D3/40—Dyes ; Pigments
    • 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
    • C11D17/0034—Fixed on a solid conventional detergent ingredient
    • 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
    • C11D3/02—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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic 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
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols

Definitions

  • the present invention relates to laundry treatment compositions that comprise a dye.
  • WO02/10327 discloses the use of sodium chloride to reduce staining of fabrics.
  • US 3 748 093 discloses a spray dried granule compostion for increasing the apparent whiteness of laundry to a human eye.
  • Dyes are used in detergent powders in order to provide colouring of the powder or shading benefits to white fabrics.
  • One drawback with these powders is that under certain conditions localised spotting occurs on fabric treated with the detergent powder.
  • non-ionic surfactants may be applied to non-ionic surfactant soluble dyes in order to reduce and/or prevent undesired spotting of fabrics by the dye under wash conditions.
  • the present invention is applicable to dyes that are substantive to fabrics.
  • the present invention provides a granule comprising:
  • the granule comprises between 10 to 2.5 wt% of a non-ionic surfactant
  • the binder is present in the range 2 to 10 wt%.
  • the amount of dye dissolved in the non-ionic surfactant is in the range between 0.1 to 2 wt%.
  • the dye has a solubility in the non-ionic surfactant of at least 0.1 wt%, more preferably 1 wt %, and even more preferably at least 5 wt%.
  • the solubility of the dye referred to herein is that to be measured at 25 °C.
  • the dye has a visual effect on the human eye as a single dye having a peak absorption wavelength on a textile of from 550nm to 650nm.
  • the most preferred is a dye or a mixture thereof that have the visual appearance as blue or violet.
  • the dyes are those substantive to a fabric, in particular cotton and polyester.
  • the present invention provides a laundry composition comprising a granule as defined herein and a method of treating a textile.
  • the present invention provides a method of granulation comprising the steps of:
  • step (ii) and/or step (iii) it is preferred that a binding agent, other than the non-ionic surfactant, is used.
  • a "unit dose” as used herein is a particular amount of the laundry treatment composition used for a type of wash, conditioning or requisite treatment step.
  • the unit dose may be in the form of a defined volume of powder, granules or tablet or unit dose detergent liquid.
  • the dye or mixture of dyes used in the granule of the present invention need to have a solubility % in the non-ionic surfactant, or mixture thereof, of at least 0.1 wt%.
  • the dye individually or as a mixture of dyes preferably have the visual effect on the human eye as a single dye having a peak absorption wavelength on a textile of from 550nm to 650nm, most preferably from 570nm to 630nm. This visual effect provides the aesthetic appearance of blue to violet-blue which in turn the consumer perceives as whiteness.
  • Preferred dyes for shading polyester are hydrophobic dyes and preferred dyes for shading cotton are: hydrolysed reactive dyes; acid dyes; and direct dyes.
  • the dyes found below may be used individually or in mixture with the present invention and are provided, as example, but are preferred dyes.
  • Hydrophobic dyes are defined as organic compounds with a maximum extinction coefficient greater than 1000 L/mol/cm in the wavelength range of 400 to 750 nm and that are uncharged in aqueous solution at a pH in the range from 7 to 11.
  • the hydrophobic dyes are devoid of polar solubilizing groups. In particular the hydrophobic dye does not contain any sulphonic acid, carboxylic acid, or quaternary ammonium groups.
  • the dye chromophore is preferably selected from the group comprising: azo; anthraquinone; phthalocyanine; benzodifuranes; quinophthalones; azothiophenes; azobenzothioazoles and, triphenylmethane chromophores. Most preferred are azo and anthraquinone dye chromophores.
  • hydrophobic dyes are found in the classes of solvent and disperse dyes.
  • Shading of white garments may be done with any colour depending on consumer preference. Blue and Violet are particularly preferred shades and consequently preferred dyes or mixtures of dyes are ones that give a blue or violet shade on white.
  • suitable solvent and disperse dyes are available. However detailed toxicological studies have shown that a number of such dyes are possible carcinogens, for example disperse blue 1. Such dyes are not preferred. More suitable dyes may be selected from those solvent and disperse dyes used in cosmetics. For example as listed by the European Union in directive 76/768/EEC Annex IV part 1. For example disperse violet 27 and solvent violet 13.
  • Preferred azo hydrophobic dyes for use in the present invention are: Disperse blue 10, 11, 12, 21, 30, 33, 36, 38, 42, 43, 44, 47,79, 79:1, 79:2, 79:3, 82, 85, 88, 90, 94, 96, 100, 101, 102, 106, 106:1, 121, 122, 124, 125, 128, 130, 133, 137, 138, 139, 142, 146, 148, 149, 165, 165:1, 165:2, 165:3, 171, 173, 174, 175, 177, 183, 187, 189, 193, 194, 200, 201, 202, 205, 206, 207, 209, 210, 211, 212, 219, 220, 222, 224, 225, 248, 252, 253, 254, 255, 256, 257, 258, 259, 260, 264, 265, 266, 267, 268, 269, 270, 278, 2
  • Preferred anthraquinone hydrophobic dyes for use in the present invention are: Solvent Violet 11, 13, 14, 15, 15, 26, 28, 29, 30, 31, 32, 33, 34, 26, 37, 33, 40, 41, 42, 45, 48, 59; Solvent Blue 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 35, 36, 40, 41, 45, 59, 59:1, 63, 65, 68, 69, 78, 90; Disperse Violet 1, 4, 8, 11, 11:1, 14, 15, 17, 22, 26, 27, 28, 29, 34, 35, 36, 38, 41, 44, 46, 47, 51, 56, 57, 59, 60, 61, 62, 64, 65, 67, 68, 70, 71, 72, 78, 79, 81, 83, 84, 85, 87, 89, 105; Disperse Blue 2, 3, 3:2, 8, 9, 13, 13:1, 14, 16, 17, 18, 19, 22, 23, 24, 26, 27.
  • Non-azo hydrophobic dyes for use in the present invention are: Disperse Blue 250, 354, 364, 366, Solvent Violet 8, solvent blue 43,solvent blue 57, Lumogen F Blau 650, and Lumogen F Violet 570.
  • the reactive dyes may be considered to be made up of a chromophore which is linked to an anchoring moiety,
  • the chromophore may be linked directly to the anchor or via a bridging group.
  • the chromophore serves to provide a colour and the anchor to bind to a textile substrate.
  • a marked advantage of reactive dyes over direct dyes is that their chemical structure is much simpler, their absorption bands are narrower and the dyeing/shading are brighter; industrial Dyes, K. Hunger ed. Wiley-VCH 2003 ISBN 3-527-30426-6 .
  • mammalian contact with reactive dyes results in irritation and/or sensitisation of the respiratory tract and/or skin.
  • wash conditions are not ideal for deposition of dyes because the efficiency of deposition is low.
  • each individual anchor group of each reactive dyes is hydrolysed such that the most reactive group(s) of anchor groups of the dye is/are hydrolysed.
  • hydrolysed reactive dye encompasses both fully and partially hydrolysed reactive dyes.
  • the reactive dye may have more than one anchor. If the dye has more than one anchor, then each and every anchor, that contributes to irritation and/or sensitisation, needs to be hydrolysed to the extent discussed above.
  • the hydrolysed dyes comprise a chromophore and an anchor that are covalently bound and may be represented in the following manner: Chromophore-anchor.
  • the hydrolysed reactive dye comprises a chromophore moiety covalently bound to an anchoring group, the anchoring group for binding to cotton, the anchoring group selected from the group consisting of: a heteroaromatic ring, preferably comprising a nitrogen heteroatom, having at least one -OH substituent covalently bound to the heteroaromatic ring, and
  • anchor group is of the form: wherein:
  • the chromophore is selected from the group consisting of: azo, anthraquinone, phthalocyanine, formazan and triphendioaxazine.
  • hydrolysed reactive dyes are hydrolysed Reactive Red 2, hydrolysed Reactive Blue 4, hydrolysed Reactive Black 5, and hydrolysed Reactive Blue 19.
  • dyes examples are direct violet 5, 9, 11, 31, and 51. Further examples of these dyes are also direct blue 34, 70, 71, 72, 75, 78, 82, and 120. Preferably the dye is direct violet 9.
  • the granules may comprise different dyes or a mixture of dyes such that a laundry composition comprising the granules of the present invention comprise between 0.001 to 0.01 wt % of a hydrophobic dye for shading polyester and/or between 0.001 to 0.01 wt % of one or more other dyes selected from cotton substantive shading dyes of the group consisting of: hydrolysed reactive dye; acid dye; and direct dye.
  • the level of dye found in the laundry composition is provided by the dye in the granule as defined herein.
  • the total dye in the laundry composition is most preferably in the range between 0.001 to 0.01 wt %.
  • the dye(s) has a maximum extinction coefficient greater than 1000 L/mol/cm in the wavelength range of 400 to 750 nm. Tuning of levels of the respective dyes in the composition will be such that dye deposition to the polyester and cotton will be aesthetically matched. It is preferred that the dyes have a peak absorption wavelength of from 550nm to 650nm, preferably from 570nm to 630nm. A combination of dyes may be used which together have the visual effect on the human eye as a single dye having a peak absorption wavelength on polyester or cotton of from 550nm to 650nm, preferably from 570nm to 630nm.
  • This may be provided, for example by mixing a red and green-blue dye to yield a blue or violet shade.
  • a specific example for the acid dyes is a mixture of acid red 17, acid red 88, acid red 51, and/or acid red 73 with acid black 1 and/or acid blue 25. The same spectral quantities are required for both the cotton and polyester substantive dyes.
  • Preferred non-ionic surfactants are, for example, polyethoxylated alcohols, ethoxylated alkyl phenols, anhydrosorbitols, and alkoxylated anhydrosorbitol esters.
  • An example of a preferred nonionic surfactant is a polyethoxylated alcohol manufactured and marketed by the Shell Chemical Company under the trademark "Neodol”.
  • Neodol 25-7 which is a mixture of 12 to 15 carbon chain length alcohols with about 7 ethylene oxide groups per molecule; Neodol 23-65, a C12-13 mixture with about 6.5 moles of ethylene oxide; Neodol 25-9, a C12-13 mixture with about 9 moles of ethylene oxide, and Neodol 45-7, a C14-15 mixture with about seven moles of ethylene oxide.
  • nonionic surfactants useful in the present invention include trimethyl nonyl polyethylene glycol ethers such as those, manufactured and marketed by Union Carbide Corporation under the Trademark Tergitol, octyl phenoxy polyethoxy ethanols sold by Rohm and Haas under the Trademark Triton, and polyoxyethylene alcohols, such as Brij 76 and Brij 97, trademarked products of Atlas Chemical Co.
  • the hydrophilic lipophilic balance (HLB) is preferably below about 13, and more preferably below 10.
  • a ratio of carrier to surfactant falls within the range of about 1:1 to 10:1, more preferably about 2:1 to 5:1. It is within the scope of the invention to use mixtures of non-ionic surfactants. Most preferably the non-ionic surfactant is an ethoxylated surfactant.
  • the carrier may be water/surfactant soluble carrier or water/surfactant insoluble.
  • water/surfactant soluble carriers are sodium carbonate, sodium sulphate, sodium chloride, and sodium citrate. It is however preferred that the carrier is water/surfactant insoluble and in this regard preferred carriers are zeolite (e.g., zeolite 4A and zeolite MAP), clay and minerals; most preferably clay. The preferred clay is bentonite.
  • the granule is preferably 180 to 1000 microns in maximum width. This is deflected by the ability of the granule to pass through a graded sieve.
  • the granule most 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 laundry treatment 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]trazole, 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-sulfoslyryl)biphenyl.
  • the granule may also comprise a photo-bleach which is a compounds that absorbs light in the range 290 to 750nm. On absorption of light the photobleach produces reactive species such as singlet oxygen or radicals, with high quantum yields (>0.05), that can bleach stains.
  • a photo-bleach which is a compounds that absorbs light in the range 290 to 750nm. On absorption of light the photobleach produces reactive species such as singlet oxygen or radicals, with high quantum yields (>0.05), that can bleach stains.
  • photobleaches are radical photoinitiators, such as vitamin K3 and singlet oxygen producing dyes such as metallated phthalocyanines (marketed by CIBA under the TINOLUX tradename).
  • the granule of the present invention may be the laundry detergent composition per se. Conversely and preferably, the granule of the present invention may be mixed with other adjuncts and carriers to make up the laundry detergent composition. These other adjuncts and carriers may include, as will as components listed above, non-ionic, cationic and anionic surfactants, builders, enzymes, antifoam agents, soil release polymers, sodium percarbonate, activators, transition metal catalysts, chelants, dye transfer inhibition polymers and brighteners. It is preferred that a laundry detergent composition comprising the dye containing granule is such that the dye level contribution from the granule in the total detergent composition is between 0.00005 to 0.01 wt%, preferably 0.001 to 0.01 wt%.
  • Acid Black 1 was dissolved in COCO 7EO nonionic surfactant to give a 1 wt%.
  • the dye/NI solution (2.5 g) was added to 10g bentonite clay powder and mixed thoroughly. At this level the mixture is still a free-flowing powder.
  • the resultant powder was then granulated with 3 g of a 40% solution of Sokalan CP5 polymer solution. The resultant granules were then dried in an oven at 80 C, and finally sieved to give granules in the range 180 to 1000 microns.
  • the dry composition of these granules, granules A was: Component wt (g) % by weight Dye 0.025g 0.18 NI 2.475 18.1 Bentonite 10g 73.0 CP5 1.2 g 8.8
  • Comparable granules without non-ionic were created by mixing 0.025 g of dye with 10 g bentonite and then granulating the mixture with 4 g of CP5 solution. The resulting granules were again dried at 80 C and finally sieved to 180 to 1000 microns.
  • the dry composition of the granules, granules B are therefore: Component wt (g) % by weight Dye 0.025 0.215 Bentonite 10g 86.0 CP5 1.6g 13.8
  • Example 1 The granules of Example 1 were separately added to a base washing powder and thoroughly mixed to give a powder with a final dye level of 0.004% by weight.
  • the washing powder contained 18% NaLAS, 73% salts (silicate, sodium tri-poly-phosphate, sulphate, carbonate), 3% minors including perborate, fluorescer and enzymes, remainder impurities and water.
  • a 20 x 20cm piece of white bleached woven non-mercerised cotton was placed in a solution of water, such that the cloth was flat and the liquor to cloth ration was 3:1. 10g of the powder was spread on the cloth and left for 30 minutes. Then the cloth was thoroughly rinsed, dried and the number of visible dye spots counted. The results are shown below.
  • Powder with Granule A had 62 spots.
  • Powder with Granule B had 385 spots.
  • the dye granule with non-ionic showed substantially less spotting.
  • Example 1 The experiment of Example 1 and 2 were repeated except using direct violet 51 as the dye.
  • Powder with Granule A type had 2 spots.
  • Powder with Granule B type had 78 spots.
  • the dye granule with non-ionic (A type), showed substantially less spotting.
  • Example 2 The experiment of Example 2 was repeated using the granules created in Example 5. Powder with Granule C type had 54 spots. Powder with Granule D type had 62 spots Powder with Granule E type had 123 spots.
  • Granule C and D contain approximately twice the level of non-ionic as granule A (Example 1), but the spotting is similar.
  • Granule D has double the concentration of dye compared to Granule C, (and hence is preferably be dosed in a laundry detergent composition at half the weight) but has similar loading.
  • Granule E on zeolite shows less spotting than granule B, without non-ionic but more than the clay granules.
  • the granules with the lower level of non-ionic, A and E function as well in terms of even colour delivery to the cloth as that for the granule without non-ionic (B).
  • the higher level of non-ionic granules, C and D deliver less colour per weight dye.
  • Solvent Violet 13 was dissolved in COCO 7EO nonionic surfactant to give a 1%wt solution.
  • the dye/NI solution (2.5 g) was added to 10g bentonite clay powder and mixed thoroughly. At this level the mixture is still a free-flowing powder.
  • the resultant powder was then granulated with 3 g of a 40% solution of Sokalan CP5 polymer solution as binder. The resultant granules were then dried in an oven at 80 C, and finally sieved to give granules in the range 180 to 1000 microns.
  • the dry composition of these granules was: Component wt (g) % by weight Dye 0.025g 0.18 NI 2.475 18.1 Bentonite 10g 73.0 CP5 1.2 g 8.8
  • the resultant granules were sieved to remove oversized materials (>1000um) and stored in sealed containers.
  • the granules of examples 6 to 10 show low spotting and good delivery of dye to polyester.
  • the granules of examples 7 to 10 were separately added to a base washing powder and thoroughly mixed to give a powder with a final dye level of 0.001 and 0.004% by weight.
  • the washing powder contained 18% NaLAS, 73% salts (silicate, sodium tri-poly-phosphate, sulphate, carbonate), 3% minors including perborate, fluorescer and enzymes, remainder impurities and water.
  • the granules of examples 7 to 10 were separately added to a base washing powder and thoroughly mixed to give a powder with a final dye level of 0.0005 and 0.002% by weight.
  • the washing powder contained 10% NaLAS, 5% 7EO non-ionic, 1% soap, 17% zeolile A24, 12% percarbonate, 4% TAED, 40% salts (sodium sulphate, sodium carbonate), remainder, fluorescer, enzymes, anti-redep agents, moisture, perfume, sequesterants, anti-ashing agents, antifoam and dispersants.

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Abstract

La présente invention concerne un granulé comprenant un ou plusieurs colorants de nuançage solubilisés dans un tensioactif non ionique. Le granulé, destiné à être utilisé dans des compositions de lavage du linge, a des propriétés de détachage réduites.

Claims (18)

  1. Granule comprenant :
    (i) entre 5 et 40 % en poids d'un agent tensioactif non ionique dans lequel sont dissous entre 0,0001 et 5 % en poids d'un colorant, où le colorant a une solubilité dans l'agent tensioactif non ionique d'au moins 0,01 % en poids ;
    (ii) entre 20 et 90 % en poids d'un support solide ;
    (iii) entre 0 et 20 % en poids d'un liant ; et
    (iv) entre 0 et 1 % en poids d'un agent de photo-blanchiment,
    où le colorant est choisi parmi : un colorant hydrophobe ; un colorant réactif hydrolysé ; un colorant acide ; et un colorant direct, et où le colorant acide est choisi parmi :
    les colorants acides bleus et violets de structure
    Figure imgb0024
     où au moins l'un de X et Y doit être un groupe aromatique, de préférence, les deux, les groupes aromatiques peuvent être un groupe phényle ou
    naphtyle substitué, qui peut être substitué par des groupes non solubilisants dans l'eau tels que des groupes alkyle ou alkyloxy ou aryloxy, X et Y peuvent ne pas être substitués par des groupes solubilisants dans l'eau tels que des groupes sulfonate ou carboxylate, de manière préférée entre toutes, X est un groupe phényle substitué par nitro et Y est un groupe phényle ; les colorants acides rouges de structures :
    Figure imgb0025
     où B est un groupe naphtyle qui peut être substitué par des groupes non solubilisants dans l'eau tels que des groupes alkyle ou alkyloxy ou aryloxy, B peut ne pas être substitué par des groupes solubilisants dans l'eau tels que des groupes sulfonate ou carboxylate ;
    des groupes des structures suivantes :
    Figure imgb0026
     dans lesquels :
    le naphtyle est substitué par les deux groupes SO3 - dans l'une des orientations sélectionnées suivantes autour du cycle : 7,8 ; 6,8 ; 5,8 ; 4,8 ; 3,8 ; 7,6 ; 7,5 ; 7,4 ; 7,3 ; 6,5 ; 6,4 ; 5,4 ; 5,3, et 4,3 ;
    B est un groupe aryle choisi parmi les groupes phényle et naphtyle, le groupe aryle étant substitué par un groupe indépendamment choisi parmi : un groupe -NH2 ; un groupe -NH-Ph ; un groupe -N=N-C6H5 ; un groupe -N=N-C10H7 ; un ou plusieurs -OMe ; et un ou plusieurs -Me ;
    les groupes des structures suivantes :
    Figure imgb0027
     dans lesquels :
    X est choisi dans le groupe consistant en -OH et -NH2 ;
    R est choisi dans le groupe consistant en -CH3 et -OCH3 ;
    n est un nombre entier choisi parmi 0, 1, 2 et 3 ; et
    l'un des cycles A, B et C est substitué par un groupe sulfonate ;
    où le colorant direct est choisi parmi :
    les colorants bleus directs tris-azo de formule :
    Figure imgb0028
     où au moins deux des cycles naphtyle A, B et C sont substitués par un groupe sulfonate, le cycle C peut être substitué en position 5 par un groupe NH2 ou NHPh, X est un cycle phényle ou naphtyle substitué par jusqu'à 2 groupes sulfonate et peut être substitué en position 2 par un groupe OH et peut également être substitué par un groupe NH2 ou NHPh ; et
    les colorants violets directs bis-azo de formule :
    Figure imgb0029
     où Z est H ou un groupe phényle, le cycle A est de préférence substitué par un groupe méthyle et méthoxy aux positions indiquées par les flèches, le cycle A peut également être un cycle naphtyle, le groupe Y est un cycle phényle ou naphtyle, qui est substitué par un groupe sulfonate et peut être mono- ou di-substitué par des groupes méthyle.
  2. Granule selon la revendication 1, dans lequel le granule comprend entre 10 et 25 % en poids d'un agent tensioactif non ionique.
  3. Granule selon la revendication 1 ou 2, dans lequel le support solide est insoluble dans l'eau et les agents tensioactifs.
  4. Granule selon l'une quelconque des revendications précédentes, dans lequel le colorant est direct pour un tissu et provoque sur l'oeil humain l'effet visuel d'un seul colorant ayant une longueur d'onde d'absorption pic sur un textile de 550 nm à 650 nm.
  5. Granule selon l'une quelconque des revendications précédentes, dans lequel le liant est présent dans la gamme de 2 à 10 % en poids.
  6. Granule selon l'une quelconque des revendications précédentes, dans lequel le support est choisi parmi une zéolite, une argile et les minéraux.
  7. Granule selon la revendication 6, dans lequel le support est choisi parmi la bentonite, la zéolite 4A et la zéolite MAP.
  8. Granule selon l'une quelconque des revendications précédentes, dans lequel le liant est choisi dans le groupe consistant en poly(acrylate), poly(éthylène glycol) et copolymère de poly(acrylate/maléate).
  9. Granule selon l'une quelconque des revendications précédentes, dans lequel le rapport entre support et agent tensioactif vaut d'environ 1:1 à 10:1.
  10. Granule selon la revendication 9, dans lequel le rapport entre support et agent tensioactif vaut d'environ 2:1 à 5:1.
  11. Granule selon l'une quelconque des revendications 1 à 10, dans lequel le colorant est un mélange d'un colorant hydrophobe et d'un colorant choisi dans le groupe consistant en : un colorant réactif hydrolysé ; un colorant acide ; et un colorant direct.
  12. Granule selon l'une quelconque des revendications précédentes, dans lequel le colorant hydrophobe est un colorant solvant ou de dispersion.
  13. Granule selon l'une quelconque des revendications 1 à 10, dans lequel le colorant hydrophobe est choisi parmi : bleu de dispersion 79:1, noir solvant 3, violet solvant 13, bleu solvant 59, bleu solvant 35, rouge solvant 24, rouge de dispersion 1, bleu de dispersion 3 et bleu de dispersion 106.
  14. Granule selon l'une quelconque des revendications 1 à 10, dans lequel le colorant est choisi parmi : noir acide 24, bleu acide 25, bleu acide 29, noir acide 1, bleu acide 113, rouge acide 17, rouge acide 51, rouge acide 73, rouge acide 88 et rouge acide 87, rouge acide 91, rouge acide 92, rouge acide 94, violet direct 9 et violet acide 17.
  15. Granule selon la revendication 14, dans lequel le colorant est le violet direct 9.
  16. Composition détergente pour le linge comprenant le granule tel que défini dans l'une quelconque des revendications précédentes, dans laquelle la contribution au taux de colorant du granule dans la composition détergente totale est comprise entre 0,00005 et 0,01 % en poids.
  17. Composition détergente pour le linge comprenant le granule selon la revendication 16, dans laquelle la contribution au taux de colorant du granule dans la composition détergente totale est comprise entre 0,001 et 0,01 % en poids.
  18. Procédé de granulation comprenant les étapes consistant à :
    (i) dissoudre entre 0,0001 et 1 % en poids d'un colorant dans 5 à 40 % en poids d'un agent tensioactif non ionique, le colorant ayant une solubilité dans l'agent tensioactif non ionique d'au moins 0,1 % en poids ;
    (ii) mélanger le colorant et la solution d'agent tensioactif non ionique avec entre 20 et 90 % en poids d'un support solide ; et,
    (iii) granuler le mélange résultant de l'étape (ii).
EP05790693A 2004-11-22 2005-09-05 Compositions de traitement du linge Revoked EP1814974B1 (fr)

Applications Claiming Priority (2)

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GBGB0425580.8A GB0425580D0 (en) 2004-09-23 2004-11-22 Laundry treatment compositions
PCT/EP2005/009518 WO2006053598A1 (fr) 2004-11-22 2005-09-05 Compositions de traitement du linge

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EP1814974A1 EP1814974A1 (fr) 2007-08-08
EP1814974B1 true EP1814974B1 (fr) 2010-11-10

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AR (1) AR051963A1 (fr)
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DE102006054436A1 (de) 2006-11-16 2008-05-21 Henkel Kgaa Feste, textil- und/oder hautpflegende Zusammensetzung
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ES2413054T3 (es) 2009-01-26 2013-07-15 Unilever Nv Incorporación de colorante en composición granular de lavandería
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CN103562370B (zh) 2011-05-26 2016-08-17 荷兰联合利华有限公司 洗衣液组合物
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CN105555935A (zh) 2013-09-18 2016-05-04 宝洁公司 包含羧化物染料的衣物洗涤护理组合物
MX2016003538A (es) 2013-09-18 2016-06-28 Procter & Gamble Composiciones para el cuidado de la ropa que contienen colorantes azoicos de tiofeno y carboxilato.
WO2015042086A1 (fr) 2013-09-18 2015-03-26 The Procter & Gamble Company Composition d'entretien du linge comprenant un colorant carboxylate
WO2015112340A1 (fr) 2014-01-22 2015-07-30 The Procter & Gamble Company Procédé de traitement de surfaces textiles
EP3097172A1 (fr) 2014-01-22 2016-11-30 The Procter & Gamble Company Procédé de traitement de surfaces textiles
EP3097175B1 (fr) 2014-01-22 2018-10-17 The Procter and Gamble Company Composition de traitement de textile
EP3097173B1 (fr) 2014-01-22 2020-12-23 The Procter and Gamble Company Composition de traitement de tissu
EP3140384B1 (fr) 2014-05-06 2024-02-14 Milliken & Company Compositions pour l'entretien du linge
WO2016178668A1 (fr) 2015-05-04 2016-11-10 Milliken & Company Leuco-colorants à base triphénylméthane en tant qu'agents d'azurage dans des compositions d'entretien du linge
US20180119056A1 (en) 2016-11-03 2018-05-03 Milliken & Company Leuco Triphenylmethane Colorants As Bluing Agents in Laundry Care Compositions
BR112020019253A2 (pt) 2018-04-03 2021-01-12 Unilever N.V. Grânulo corante detergente, composição detergente de lavanderia granular, processo para prover uma composição detergente de lavanderia granular e método de tratamento de um tecido
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WO2006053598A1 (fr) 2006-05-26
CA2588068A1 (fr) 2006-05-26
ZA200704091B (en) 2008-09-25
ES2354367T3 (es) 2011-03-14
EP1814974A1 (fr) 2007-08-08
CN101068914A (zh) 2007-11-07
DE602005024709D1 (de) 2010-12-23
AR051963A1 (es) 2007-02-21

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