WO2009112298A1 - Composition de traitement de lessive comportant des lubrifiants polymériques - Google Patents

Composition de traitement de lessive comportant des lubrifiants polymériques Download PDF

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Publication number
WO2009112298A1
WO2009112298A1 PCT/EP2009/050700 EP2009050700W WO2009112298A1 WO 2009112298 A1 WO2009112298 A1 WO 2009112298A1 EP 2009050700 W EP2009050700 W EP 2009050700W WO 2009112298 A1 WO2009112298 A1 WO 2009112298A1
Authority
WO
WIPO (PCT)
Prior art keywords
laundry treatment
treatment composition
polyolefin
polyolefin particle
composition according
Prior art date
Application number
PCT/EP2009/050700
Other languages
English (en)
Inventor
Stephen Normal Batchelor
Andrew Philip Parker
Original Assignee
Unilever Plc
Unilever N.V.
Hindustan Unilever Limited
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
Application filed by Unilever Plc, Unilever N.V., Hindustan Unilever Limited filed Critical Unilever Plc
Priority to CN2009801087616A priority Critical patent/CN101970632B/zh
Priority to EP09719383A priority patent/EP2252680B1/fr
Priority to BRPI0909346A priority patent/BRPI0909346A2/pt
Priority to ES09719383T priority patent/ES2390112T3/es
Publication of WO2009112298A1 publication Critical patent/WO2009112298A1/fr
Priority to ZA2010/05759A priority patent/ZA201005759B/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • 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

Definitions

  • the present invention relates to wash added, fabric care compos itions and methods for us ing the same during the wash cycle of a consumer laundry proces s .
  • EP 1 478 720 (Procter & Gamble) discloses the use of dispersible polyolefin waxes in detergent formulations with mean particle sizes from 5nm to 5 microns.
  • polyolefin particles larger than described in the prior art provide improved colour care. Further these larger polyolefin particles are easier to incorporate into a detergent composition because they do not need to be pre-dispersed before dosing.
  • the present invention provides a granular laundry treatment composition containing less than 1 wt . % of phosphate comprising: (i) from 0.2 wt . % to 4 wt . % of a polyolefin particle, the polyolefin particle having a size in the range from 25 to 5000 microns;
  • a second aspect of the invention provides a domestic method of treating a textile, the method comprising the steps of:
  • the amount of components in the granular laundry treatment composition quoted herein are wt . % of total composition unless otherwise stated.
  • the polyolefin particle should not dissolve in water or surfactant solutions. Such that when lg/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. The weight of the particle removed is within 95 more preferably 99% of that added.
  • the polyolefin particle should have a weight average molecular weight in excess of 2000, more preferably in excess of 10000.
  • the weight average molecular weight may be measured by vapour phase osmometry or cryoscopy.
  • the polyolefin particle has an acid number from about 0 to 200 mg/g KOH and preferably from about 0 to 4 mg/g KOH
  • the particles are spherical or elliptical in cross-section.
  • the 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 density of the particle is preferably 0.85 to 1.1 g/cm 3 , more preferably 0.95 to 1.05 g/cm 3 .
  • polyolefin particle is selected from:
  • the polyolefin particle is a polyethylene .
  • the size of the polyolefin particle is measured using graded sieves and it is that that is retained or passes through such sieves .
  • the polyolefin particle is sized preferably from 50 to 2500 microns .
  • An advantage over the disclosure of EP 1 478 720 is that the use of a larger particle size provides ease of incorporation of the polyolefin particle into the composition, i.e., the particle may be added directly rather than via a suspension, dispersion, or an emulsion of polyolefin wax.
  • the granular laundry treatment composition can be provided by post-dosed addition of polyolefin particles.
  • Another advantage is that larger particles are much less likely to become airborne during handling or sniffing and consequently less likely to be inhaled.
  • 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 Ce to C22 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 Cs to Cis 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 Cs to Cis alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl Cg to C20 benzene sulphonates, particularly sodium linear secondary alkyl Cio to Ci 5 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 Cu to Ci 5 alkyl benzene sulphonates and sodium C12 to Cis 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 ⁇ ⁇ to Cis primary alcohol sulphate together with a C12 to Ci 5 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 comprises from 1 to 50 wt . % of a builder.
  • Builder materials may be selected from 1) calcium sequestrant materials, 2) precipitating materials, 3) calcium ion-exchange materials and 4) mixtures thereof.
  • an insoluble inorganic builder e.g., zeolite
  • the size is in the range 0.1 to 10 microns (as measured by The Mastersizer 2000 particle size analyzer using laser diffraction ex MalvernTM) .
  • calcium sequestrant builder materials include alkali metal polyphosphates, such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetra- acetic acid.
  • precipitating builder materials examples include sodium orthophosphate and sodium carbonate.
  • Examples of calcium ion-exchange builder materials include the various types of water-insoluble crystalline or amorphous aluminosilicates, of which zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P) , zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A-O, 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-O, 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. Many builders are also bleach- stabilising agents by virtue of their ability to complex metal ions.
  • 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 S iO 2
  • M is a monovalent cation, preferably sodium.
  • M 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.
  • the formulation comprises less than 1 wt . % of such phosphate builders.
  • the laundry detergent formulation is free from phosphate builders.
  • builder examples include silicates, such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst) .
  • silicates such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from Hoechst) .
  • the granular 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 :
  • ring D and E may be independently naphthyl or phenyl as shown;
  • Ri is selected from: hydrogen and Cl-C4-alkyl, preferably hydrogen;
  • R2 is selected from: hydrogen, Cl-C4-alkyl, substituted or unsubstituted phenyl and substituted or unsubstituted naphthyl, preferably phenyl;
  • R 3 and R 4 are independently selected from: hydrogen and Cl- C4-alkyl, preferably hydrogen or methyl;
  • 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 granular 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. FLUORESCENT AGENT
  • 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
  • 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
  • Many suitable examples of perfumes are provided in the CTFA (Cosmetic, Toiletry and Fragrance Association) 1992 International Buyers Guide, published by CFTA Publications and OPD 1993 Chemicals Buyers Directory 80th Annual Edition, published by Schnell Publishing Co.
  • 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 .
  • the reflectances of the VAT Blue cloths at 430nm and the Reactive Orange cloths at 650nm were measured on a Murakami Goniospectrophotometer with an incident angle of 65° and a measurement angle of 55°.
  • the reflectance of the new cloths was 27.20 for the Vat Blue and 65.13 for the reactive Orange.
  • the ⁇ R (powder control) for Vat Blue was 6.06 and for Reactive Orange was 5.36. In the results the average ⁇ R between the blue and orange cloths is given to 1 decimal place.
  • the polyethylene particles are effective across a wide range of dosages.
  • NI (7EO) refers to R- (OCH 2 CH 2 ) n 0H, where R is an alkyl chain of C12 to C15, and n is 7.
  • the formulations are prepared by adding direct violet 9, acid violet 7 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 (7EO) and granulated onto bentonite clay, to give a granule containing 0.2 wt . % dye. This was post-dosed to the formulation .
  • the Licowax PE520P particles were post dosed to the formulation .

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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)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne des compositions destinées à l’entretien de tissus additionnées à la lessive comportant une particule de polyoléfine, plus particulièrement des compositions détergentes granulées comprenant des particules de polyoléfine. L’invention concerne également un procédé d’utilisation de ces compositions lors d’un cycle de lavage d’un traitement de lessive.
PCT/EP2009/050700 2008-03-14 2009-01-22 Composition de traitement de lessive comportant des lubrifiants polymériques WO2009112298A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2009801087616A CN101970632B (zh) 2008-03-14 2009-01-22 包括聚合润滑剂的洗衣处理组合物
EP09719383A EP2252680B1 (fr) 2008-03-14 2009-01-22 Composition de traitement de lessive comportant des lubrifiants polymériques
BRPI0909346A BRPI0909346A2 (pt) 2008-03-14 2009-01-22 composição granular de tratamento de tecidos contendo partícula de poliolefina, e, método doméstico de tratamento de tecidos
ES09719383T ES2390112T3 (es) 2008-03-14 2009-01-22 Composición de tratamiento de lavado que comprende lubricantes poliméricos
ZA2010/05759A ZA201005759B (en) 2008-03-14 2010-08-12 Laundry treatment composition comprising polymeric lubricants

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08152740.0 2008-03-14
EP08152740 2008-03-14

Publications (1)

Publication Number Publication Date
WO2009112298A1 true WO2009112298A1 (fr) 2009-09-17

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PCT/EP2009/050700 WO2009112298A1 (fr) 2008-03-14 2009-01-22 Composition de traitement de lessive comportant des lubrifiants polymériques

Country Status (6)

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EP (1) EP2252680B1 (fr)
CN (1) CN101970632B (fr)
BR (1) BRPI0909346A2 (fr)
ES (1) ES2390112T3 (fr)
WO (1) WO2009112298A1 (fr)
ZA (1) ZA201005759B (fr)

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EP2252680A1 (fr) 2010-11-24
EP2252680B1 (fr) 2012-06-20
ZA201005759B (en) 2011-10-26

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