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EP1814974A1 - Compositions de traitement du linge - Google Patents

Compositions de traitement du linge

Info

Publication number
EP1814974A1
EP1814974A1 EP05790693A EP05790693A EP1814974A1 EP 1814974 A1 EP1814974 A1 EP 1814974A1 EP 05790693 A EP05790693 A EP 05790693A EP 05790693 A EP05790693 A EP 05790693A EP 1814974 A1 EP1814974 A1 EP 1814974A1
Authority
EP
European Patent Office
Prior art keywords
dye
granule
acid
granule according
blue
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP05790693A
Other languages
German (de)
English (en)
Other versions
EP1814974B1 (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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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=35431600&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1814974(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB0425580.8A external-priority patent/GB0425580D0/en
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP1814974A1 publication Critical patent/EP1814974A1/fr
Application granted granted Critical
Publication of EP1814974B1 publication Critical patent/EP1814974B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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.
  • 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 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 0 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.
  • a method of granulation comprising the steps of:
  • step (iii) granulating the resultant mixture from step (ii) .
  • 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 ran 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 dykes 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,
  • Preferred anthraquinone hydrophobic dykes for use in the present invention are: Solvent Violet 11, 13, 14, 15, 15, 26, 28, 29, 30, 31, 32, 33, 34, 26, 37, 38, 40, 41, 42, 45, 48, 59; Solvent Blue 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 35, 36, 40, 41, 45, 5 59, 59:1, 63, 65, 68, 69, 78, 90; Disperse Violet 1, 4, 8, 11,
  • Non-azo non-anthraquinone hydrophobic 5 dykes 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
  • anchor group is of the form:
  • n takes a value between 1 and 3;
  • X is selected from the group consisting of: -Cl, -F, NHR, a quaternary ammonium group, -OR and -OH;
  • R is selected from: an aromatic group, benzyl, a C1-C6- alkyl; and, wherein at least one X is -OH. It is preferred that R is selected from napthyl, phenyl, and -CH3. Most preferably the anchor group is selected from the group consisting of: SO r C—C-OH H 0 H and
  • 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.
  • the aromatic groups may be a substituted benzyl or napthyl group, which may be substituted with non water solubilising groups such as alkyl or alkyloxy or aryloxy groups, X and Y may not be substituted with water solubilising groups such as sulphonates or carboxylates, most preferred is where X is a nitro substituted benzyl group and Y is a benzyl group.
  • B is a napthyl or benzyl group that may be substituted with non water solubilising groups such as alkyl or alkyloxy or aryloxy groups, B may not be substituted with water solubilising groups such as sulphonates or carboxylates.
  • the naphthyl is substituted by the two SO 3 - groups in one of the following selected orientations about ring: 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, and 4,3;
  • X is selected from the group consisting of -OH and -NH2;
  • R is selected from the group consisting of -CH3 and -OCH3; n is an integer selected from 0, 1 2 ,and 3; and one of the rings A, B and C is substituted by one sulphonate group.
  • Preferred direct dyes are selected from the group comprising tris-azo direct blue dyes of the formula:
  • the C ring may be substituted at the 5- position by an NH 2 or NHPh group
  • X is a benzyl or napthyl ring substituted with upto 2 sulphonate groups and may be substituted at 2 position with a OH group and may also be. substituted with an NH 2 or NHPh group
  • the A ring is preferably substituted by a methyl and methoxy group at the positions indicated by 5 arrows, the A ring may also be a naphthyl ring, the Y group is a benzyl or naphthyl ring, which is substituted by sulphate group and may be mono or disubstituted by methyl groups.
  • Non-limiting examples of these dyes are direct violet 5, 7, 9, 11, 31, and 51. Further non-limiting 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 0 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. With respect to the above, 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
  • the granule is preferably 180 to 1000 microns in maximum width. This is reflected 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- ⁇ - (N methyl-N-2 hydroxyethyl) amino 1, 3, 5-triazin-2-yl) ] amino ⁇ stilbene-2-2 ' disulfonate, disodium 4,4'-bis ⁇ [ (4-anilino- ⁇ -morpholino-l, 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 1Og 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.
  • 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.
  • 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. 1Og 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 3 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.
  • Example 5 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.
  • Solvent Violet 13 was dissolved in COCO 7EO nonionic surfactant to give a l%wt solution.
  • the dye/NI solution (2.5 g) was added to 1Og 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.
  • Example 10 The resultant granules were sieved to remove oversized materials (>1000um) and stored in sealed containers.
  • Example 10 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% zeolite 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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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

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.
EP05790693A 2004-11-22 2005-09-05 Compositions de traitement du linge Revoked EP1814974B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (2)

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

Family

ID=35431600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05790693A Revoked EP1814974B1 (fr) 2004-11-22 2005-09-05 Compositions de traitement du linge

Country Status (9)

Country Link
EP (1) EP1814974B1 (fr)
CN (1) CN101068914A (fr)
AR (1) AR051963A1 (fr)
AT (1) ATE487784T1 (fr)
CA (1) CA2588068A1 (fr)
DE (1) DE602005024709D1 (fr)
ES (1) ES2354367T3 (fr)
WO (1) WO2006053598A1 (fr)
ZA (1) ZA200704091B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019192813A1 (fr) 2018-04-03 2019-10-10 Unilever N.V. Granulé de colorant

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0519347D0 (en) † 2005-09-22 2005-11-02 Unilever Plc Composition of enhanced stability and a process for making such a composition
CN101360813B (zh) * 2006-08-10 2013-06-19 荷兰联合利华有限公司 遮蔽组合物
BRPI0718690B1 (pt) * 2006-11-10 2017-12-05 The Procter & Gamble Company A granular detergent composition for washing clothes, a process for their production and method for confering a designed tone to a fabric
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DE602005024709D1 (de) 2010-12-23
AR051963A1 (es) 2007-02-21
CA2588068A1 (fr) 2006-05-26
ES2354367T3 (es) 2011-03-14
CN101068914A (zh) 2007-11-07
ZA200704091B (en) 2008-09-25
ATE487784T1 (de) 2010-11-15
EP1814974B1 (fr) 2010-11-10
WO2006053598A1 (fr) 2006-05-26

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