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
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
  • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3749—Polyolefins; Halogenated polyolefins; Natural or synthetic rubber; Polyarylolefins or halogenated polyarylolefins
• • 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
  • C11D3/3753—Polyvinylalcohol; Ethers or esters thereof

Definitions

• the present invention relates to wash added, laundry detergent compositions and methods for using the same during the wash cycle of a consumer laundry process.
• EP 1 478 720 (Proctor & Gamble) discloses the use of dispersible polyolefin waxes in detergent formulations with mean particle sizes from 5nm to 5 microns.
• insoluble fluorinated organic polymer particles provide improved colour care by reducing damage caused by fabric laundering.
• the present invention provides a laundry treatment composition comprising:
• a second aspect of the invention provides a domestic method of treating a textile, the method comprising the steps of:
• a third aspect of the invention provides the use of insoluble fluorinated organic polymer particle to reduce damage to clothes laundered during a domestic main wash process.
• the amount of components present in the laundry treatment composition quoted herein are wt.% of total composition unless otherwise stated.
• the laundry treatment composition may take the form of an isotropic liquid, a surfactant-structured liquid, a granular, spray-dried or dry-blended powder, a tablet, a paste, a molded solid or any other laundry detergent form known to those skilled in the art.
• the composition is preferably a liquid or granular laundry composition, most preferably a granular laundry composition.
• the insoluble fluorinated organic polymer particle can comprise a single fluorinated organic polymer, or a mixture of two or more fluorinated organic polymers as defined.
• the fluorinated organic polymer is selected from fluorinated polyolefin or fluorinated alkoxy polymer.
• the fluorinated polyolefin is selected from fluorinated polyethylene (preferably polytetrafluoroethylene), fluorinated polypropylene (preferably polyhexafluoropropylene) or a copolymer of fluorinated ethylene and fluorinated propylene.
• the fluorinated organic polymer particle should not dissolve in water or surfactant solutions.
• 1g/L of particles are placed into an aqueous solution containing 2g/L of sodium dodecyl sulphate at room temperature and shaken at 100 RPM on a rotator shaker at 293K for 2 hours, then removed from solution by filtering through a sieve or filter paper of appropriate size and dried, then the weight of the particle removed is within 95%, preferably 99% by weight of that added.
• the insoluble fluorinated organic polymer particles are present in the laundry treatment composition at a level of from 0.1 to 40 wt.%, preferably from 0.5 to 5 wt.%.
• the insoluble fluorinated organic polymer particle has a size of from 0.005 to 3000 microns, preferably from 0.1 to 2500 microns.
• the size of the insoluble fluorinated organic polymer particle means the maximum value of the largest dimension of the particle.
• the size of the insoluble fluorinated organic polymer particle is measured using graded sieves and it is that which is retained or passes through such sieves.
• the insoluble fluorinated organic polymer particle comprises from 5 to 100 wt.%, preferably from 70 to 100 wt.%, more preferably from 95 to 100 wt.% of the fluorinated organic polymer.
• the fluorinated organic polymers have a weight average molecular weight of greater than 2000 Daltons, preferably greater than 10000 Daltons.
• the weight average molecular weight may be measured by vapour phase osmometry or cryoscopy.
• the insoluble fluorinated organic polymer particles are white, such that when their colour is measured using a reflectometer (UV excluded) and expressed as CIE L*a*b* values, L*>70, a* is between -3 and +3 and b* is between 5 and -10.
• the composition comprises between 2 to 70 wt.% of a surfactant, most preferably 10 to 30 wt.%.
• a surfactant most preferably 10 to 30 wt.%.
• the nonionic and anionic surfactants of the surfactant system may be chosen from the surfactants described " Surface Active Agents" Vol. 1, by Schwartz & Perry, Interscience 1949 , Vol. 2 by Schwartz, Perry & Berch, Interscience 1958 , in the current edition of "McCutcheon's Emulsifiers and Detergents” published by Manufacturing Confectioners Company or in " Tenside-Taschenbuch", H. Stache, 2nd Edn., Carl Hauser Verlag, 1981 .
• the surfactants used are saturated.
• Suitable nonionic detergent compounds which may 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 alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
• Specific nonionic detergent compounds are C 6 to C 22 alkyl phenol-ethylene oxide condensates, generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic C 8 to C 18 primary or secondary linear or branched alcohols with ethylene oxide, generally 5 to 40 EO.
• Suitable anionic detergent compounds which may be used are usually water-soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
• suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher C 8 to C 18 alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl C 9 to C 20 benzene sulphonates, particularly sodium linear secondary alkyl C 10 to C 15 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
• the preferred anionic detergent compounds are sodium C 11 to C 15 alkyl benzene sulphonates and sodium C 12 to C 18 alkyl sulphates.
• surfactants such as those described in EP-A-328 177 (Unilever), which show resistance to salting-out, the alkyl polyglycoside surfactants described in EP-A-070 074 , and alkyl monoglycosides.
• Preferred surfactant systems are mixtures of anionic with nonionic detergent active materials, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever).
• surfactant system that is a mixture of an alkali metal salt of a C 16 to C 18 primary alcohol sulphate together with a C 12 to C 15 primary alcohol 3 to 7 EO ethoxylate.
• the nonionic detergent is preferably present in amounts greater than 10%, e.g. 25 to 90 wt.% of the surfactant system.
• Anionic surfactants can be present for example in amounts in the range from about 5 wt.% to about 40 wt.% of the surfactant system.
• the composition optionally comprises from 1 to 50 wt.% of a builder.
• the builder is present at a level of from 1 to 40 wt.%.
• Builder materials may be selected from 1) calcium sequestrant materials, 2) precipitating materials, 3) calcium ion-exchange materials and 4) mixtures thereof.
• the size is in the range 0.1 to 10 microns (as measured by The Mastersizer 2000 particle size analyzer using laser diffraction ex Malvern TM ).
• calcium sequestrant builder materials examples include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetraacetic 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 .
• 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 composition may also contain 0-50 wt.% 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.
• 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.
• the composition 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 15 wt.%.
• Aluminosilicates are materials having the general formula: 0.8-1.5 M 2 O. Al 2 O 3 . 0.8-6 SiO 2 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 50 mg CaO/g.
• the preferred sodium aluminosilicates contain 1.5-3.5 SiO 2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
• the ratio of surfactants to aluminosilicate (where present) is preferably greater than 5:2, more preferably greater than 3:1.
• phosphate builders may be used.
• 'phosphate' embraces diphosphate, triphosphate, and phosphonate species.
• Other forms of builder include silicates, such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst).
• the laundry detergent formulation is a non-phosphate built laundry detergent formulation, i.e., contains less than 1 wt.% of phosphate.
• the laundry treatment composition preferably comprises a blue or violet shading agent in the range from 0.0001 to 0.01 wt.%.
• the shading agents reduce the perception of damage to many coloured garments and increase whiteness of white garments.
• the shading agents are preferably selected from blue and violet dyes of the solvent disperse basic, direct and acid type listed in the colour index ( Society of Dyers and Colourists and American Association of Textile Chemists and Colorists 2002 ).
• a direct violet or direct blue dyes is present.
• the dyes are bis -azo, tris -azo dyes or triphendioxazine dye.
• the carcinogenic benzidene based dyes are not preferred.
• Bis-azo copper containing dyes such as direct violet 66 may be used.
• the most preferred bis-azo dyes have the following structure: wherein:
• Preferred bis-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 solvent and disperse dyes are selected from, mono-azo or anthraquinone dyes, most preferably, solvent violet 13, disperse violet 27 disperse violet 26, disperse violet 28, disperse violet 63 and disperse violet 77.
• a preferred pigment is pigment violet 23.
• the laundry treatment composition preferably comprises one or more enzymes which provide cleaning performance and/or fabric care benefits.
• suitable enzymes include, but are not limited to, hemicellulases, peroxidases, proteases, cellulases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, mannanases, pectate lyases, keratinases, reductases, oxidases, phenoloxidases,- lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, arabinosidases, hyaluronidase, chondroitinase, laccase, and amylases, or mixtures thereof.
• a typical combination is an enzyme cocktail that may comprise, for example, a protease and lipase in conjunction with amylase.
• the aforementioned additional enzymes may be present at levels from about 0.00001 wt.% to about 2 wt.%, from about 0.0001 wt.% to about 1 wt.% or even from about 0.001 wt.% to about 0.5 wt.% enzyme protein by weight of the composition.
• Preferred enzymes are cellulases.
• the composition 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]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 composition 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
• OPD Chemicals Buyers Directory 80th Annual Edition, published by Schnell Publishing Co.
• 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.
• top notes are defined by Poucher (Journal of the Society of Cosmetic Chemists 6(2):80 [1955 ]).
• Preferred 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 fabric care benefit of the invention.
• the laundry treatment composition does not contain a peroxygen bleach, e.g., sodium percarbonate, sodium perborate, and peracid.
• a peroxygen bleach e.g., sodium percarbonate, sodium perborate, and peracid.
• the composition may comprise one or more polymers.
• polymers are carboxymethylcellulose, poly(ethylene glycol), poly(vinyl alcohol), polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers and lauryl methacrylate/acrylic acid copolymers.
• Polymers present to prevent dye deposition for example poly(vinylpyrrolidone), poly(vinylpyridine-N-oxide), and poly(vinylimidazole), are preferably absent from the formulation.
• compositions in the form of a liquid it is useful to include a hydrotrope, which prevents liquid crystal formation.
• a hydrotrope which prevents liquid crystal formation.
• the addition of the hydrotrope thus aids the clarity/transparency of the composition.
• Suitable hydrotropes include but are not limited to propylene glycol, ethanol, urea, salts of benzene sulphonate, toluene sulphonate, xylene sulphonate or cumene sulphonate.
• Suitable salts include but are not limited to sodium, potassium, ammonium, monoethanolamine, triethanolamine.
• the hydrotrope is selected from the group consisting of propylene glycol, xylene sulfonate, ethanol, and urea to provide optimum performance.
• the amount of the hydrotrope is generally in the range of from 0 to 30%, preferably from 0.5 to 30%, more preferably from 0.5 to 30%, most preferably from 1 to 15%.
• NanoFLON P47A was obtained from Shamrock Technologies, and Crayvallac WF9200 was obtained from Crayvallac TM .
• the lower reflectance values indicate less fabric damage from the laundering process.
• the results in table 1 show an improvement in the reflectance values when the insoluble fluorinated organic polymer particles are incorporated.
• NI(7EO) refers to R-(OCH 2 CH 2 ) n OH, where R is an alkyl chain of C12 to C15, and n is 7.
• the formulations are prepared by adding direct violet 9, and the Sulfonated Zn Pthalocyanine photobleach into the slurry which is then spray dried.
• the dyes and photobleach may be added via post-dosed MgSO 4 granules.
• the solvent violet 13 was dissolved in non-ionic surfactant (7E0) and granulated onto bentonite clay, to give a granule containing 0.2 wt.% dye. This was post-dosed to the formulation.
• NanoFLON P47A particles were post dosed to the formulation.
• NI(7EO) refers to R-(OCH 2 CH 2 ) n OH, where R is an alkyl chain of C12 to C15, and n is 7.
• NaLAS linear alkyl benzene sulphonate (LAS) and (SLES(3EO)) is C 12 -C 18 alkyl polyethoxylate (3.0) sulphate.
• a rinse conditioner formulation for use in the rinse stage of the wash was also created. It contained 13.7 wt.% N,N-di(tallowoyloxyethyl)-N,N-dimethylammonium chloride, 1.5 wt.% perfume, 1 wt.% NanoFLON P47A, with the remainder being minors and water.

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• 2008
  • 2008-03-14 EP EP08152741A patent/EP2103677A1/fr not_active Withdrawn

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