EP1934395A2 - Methode de traitement d'article textile - Google Patents

Methode de traitement d'article textile

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Publication number
EP1934395A2
EP1934395A2 EP06821190A EP06821190A EP1934395A2 EP 1934395 A2 EP1934395 A2 EP 1934395A2 EP 06821190 A EP06821190 A EP 06821190A EP 06821190 A EP06821190 A EP 06821190A EP 1934395 A2 EP1934395 A2 EP 1934395A2
Authority
EP
European Patent Office
Prior art keywords
composition
fabric
foam
weight
aqueous
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
EP06821190A
Other languages
German (de)
English (en)
Other versions
EP1934395B1 (fr
Inventor
Jiping Wang
Julie Ann O'neil
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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Filing date
Publication date
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Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP1934395A2 publication Critical patent/EP1934395A2/fr
Application granted granted Critical
Publication of EP1934395B1 publication Critical patent/EP1934395B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • 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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C11D3/3734—Cyclic silicones
    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/22—Processes involving successive treatments with aqueous and organic agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/40—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/70—Multi-step processes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/70—Multi-step processes
    • D06L4/75—Multi-step processes combined with cleaning or washing

Definitions

  • the present invention relates to a fabric article cleaning regimen, more particularly a fabric article cleaning regimen employing a hydrophilic, aqueous-based pretreating composition in combination with a lipophilic laundering system.
  • a regimen for removing all types of soils, including hydrophilic and lipophilic soils, from fabric articles with minimal residue or fabric shrinkage or damage includes a pretreatment to preferentially remove at least one different type of soils (e.g., hydrophilic soils) when the subsequent laundering system preferentially removes another type of soils (e.g., lipophilic soils).
  • fabric pretreatment that results in minimal fabric shrinkage or damage, and minimal dye or soil redeposition during subsequent laundering process.
  • the present invention fulfills those desirable outcomes described above by providing a fabric article treatment regimen that comprises an aqueous foam pretreatment step to preferentially remove at least a first type of soils (typically hydrophilic soils, but hydrophobic soils may also beneficially removed) and a non-aqueous laundering step to preferentially remove a second type soils (typically lipophilic soils).
  • the nonaqueous laundering step is capable of reducing re-deposition of the first type of soils.
  • the foam pretreatment provides slow and even action between the treating agents and the stains.
  • the treating agents as well as the non-aqueous wash medium are gentle to the fabrics.
  • a garment stain removal kit containing the pretreating composition, the instructions of the treatment regimen, and optionally, the foam generating applicator, is provided.
  • Fabric article as used herein means any article that is customarily cleaned in a conventional laundry process or in a dry cleaning process. As such the term encompasses articles of clothing, linen, drapery, and clothing accessories. The term also encompasses other items made in whole or in part of fabric, such as tote bags, furniture covers, tarpaulins and the like.
  • Stain or “soil” as used herein means any undesirable substance on a fabric article that is the target of removal. Generally, stains are found only on a portion of the article and are generated by accidental contact between the soil and the fabric article.
  • the term "hydrophilic stain” as used herein means that the stain is comprised of water at the time it first came in contact with the fabric article, or the stain retains a significant portion of water on the fabric article.
  • Hydrophilic stain comprises one or more of the following exemplary hydrophilic soils: beverages, many food soils, water soluble dyes, bodily fluids such as sweat, urine or blood, outdoor soils such as grass stains and mud.
  • hydrophobic stains means the stain comprises primarily of lipophilic soils, which have high solubility in or affinity for the lipophilic fluid.
  • lipophilic soils include, but are not limited to body soils, such as mono-, di-, and tri-glycerides, saturated and unsaturated fatty acids, non-polar hydrocarbons, waxes and wax esters, lipids; and laundry materials such as nonionic surfactants; and mixtures thereof.
  • Pretreated fabric article as used herein means a fabric article that has been contacted with a pretreatment foam composition of the present invention prior to subsequent contact with a lipophilic fluid wash medium.
  • Average molecular weight as used herein means the weight average molecular weight as determined using gel permeation chromatography according to the protocol found in Colloids and Surfaces A. Physico Chemical & Engineering Aspects, Vol. 162, 2000, pg. 107-121. Aqueous Foam Composition
  • the aqueous foam composition of the present invention comprises a hydrophilic stain removal agent, such as bleaches, enzymes, or soil repellents; a surfactant, such as silicone-containing surfactants; a foaming agent such as amine oxides, betaines or primary alkylamine surfactants; water and optionally an adjunct ingredient, such as perfumes, pH modifiers, soil release polymers or organic solvents.
  • a hydrophilic stain removal agent such as bleaches, enzymes, or soil repellents
  • a surfactant such as silicone-containing surfactants
  • a foaming agent such as amine oxides, betaines or primary alkylamine surfactants
  • water and optionally an adjunct ingredient such as perfumes, pH modifiers, soil release polymers or organic solvents.
  • the aqueous foam compositions comprise from about 0.0001% to about 20%, preferably from about 0.001% to about 10%, more preferably from about 0.5% to about 3% by weight of the composition of a hydrophilic stain removal agent; from about 0.01% to about 40%, preferably from about 0.01% to about 25%, more preferably from about 0.1% to about 10%, and more preferably from about 0.5% to about 2% by weight of the composition of a surfactant; from about 0.1% to about 25%, preferably from about 0.5 to about 10%, more preferably from about 1% to about 5% by weight of the composition of a foaming agent; and from about 50% to about 99%, preferably from about 70% to about 95%, more preferably from about 80% to about 90% by weight of composition of water; and optionally, from about 0.001% to about 10%, preferably from about 0.01% to about 5%, more preferably from about 0.1% to about 2% by weight of the composition of an adjunct.
  • the aqueous foam composition comprises at least about 0.01 wt% bleach and/or at least about 0.001 wt% enzyme and/or at least about 0.01 wt% soil repellent; at least about 0.1 wt% silicone-containing surfactant; at least about 0.01 wt% amine oxide; and at least about 50 wt% water.
  • the aqueous foam composition may be formulated to be effective in removing stains yet gentle to the fabric, for example, color-safe.
  • a color-safe bleach such as hydrogen peroxide may be included in the composition.
  • the composition may be formulated to have a pH in the range of from about 6 to about 10, preferably from about 8 to about 10.
  • a pH modifier may be used to control the pH of the composition.
  • the aqueous foam composition may be formulated to minimize the soil redeposition, especially in the laundering process.
  • a soil repellent may be included in the composition to provide such benefit.
  • the aqueous composition herein typically has a viscosity of less than about 5
  • Pa*s preferably from about 0.05 Pa*s to about 5 Pa*s, more preferably from about 0.075 Pa*s to about 2 Pa*s, and even more preferably from about 0.1 Pa*s to about 0.4 Pa*s.
  • the viscosity herein is measured on a Brookfield viscometer model # LVD VII+ at 20 0 C.
  • the spindle used for these measurements is a S31 spindle with the appropriate speed to measure compositions of different viscosities A. Hydrophilic Stain Removal Agent
  • Hydrophilic stain removal agents include, but are not limited to, bleaches, enzymes, soil repellents and soil release polymers.
  • the hydrophilic stain removal agent generally comprises from about 0.0001% to about 20%, preferably from about 0.01% to about 10%, more preferably from about 0.1% to about 5% by weight of the aqueous foam composition. It is recognized that amount of specific hydrophilic stain removal agent may vary from the above general ranges in certain embodiments. Exemplary hydrophilic stain removal agents are described below.
  • Bleach suitable for use herein contains one or more bleaching agents, preferably peroxygen bleaches, and more preferably hydrogen peroxide.
  • Suitable peroxygen bleaches to be used herein are selected from the group consisting of: hydrogen peroxide; organic or inorganic peracids; hydroperoxides; diacyl peroxides; and mixtures thereof.
  • Suitable activated peroxygen sources include, but are not limited to, preformed peracids, a hydrogen peroxide source in combination with a bleach activator, or a mixture thereof.
  • preformed peracids include percarboxylic acids and salts; percarbonic acids and salts; perimidic acids and salts; peroxymonosulfuric acids and salts; persulphates such as monopersulfate; peroxyacids such as diperoxydodecandioic acid (DPDA); magnesium peroxyphthalic acid; perlauric acid; perbenzoic and alkylperbenzoic acids; and mixtures thereof.
  • DPDA diperoxydodecandioic acid
  • magnesium peroxyphthalic acid perlauric acid
  • perbenzoic and alkylperbenzoic acids and mixtures thereof.
  • PAP phthaloylamino peroxy caproic acid
  • PAP is available from Ausimont Spa under the tradename Euroco®.
  • Suitable sources of hydrogen peroxide include, but are not limited to, compounds selected from the group consisting of perborate compounds, percarbonate compounds, perphosphate compounds and mixtures thereof. Suitable types and levels of activated peroxygen sources are found in U.S. Patent Nos. 5,576,282, 6,306,812 and 6,326,348.
  • Bleach activator is a compound that reacts with hydrogen peroxide to form a peracid.
  • the peracid thus formed constitutes the activated bleach Suitable bleach activators include, but are not limited to, perhydrolyzable esters and perhydrolyzable imides such as, tetraacetyl ethylene diamine, octanoylcaprolactam, benzoyloxybenzenesulphonate, nonanoyloxybenzenesulphonate, benzoylvalerolactam, dodecanoyloxybenzenesulphonate.
  • Suitable bleach boosters include, but are not limited to, those described US patent 5,817,614.
  • the bleaching agents are color-safe bleaches such as peroxygen bleaches provided by a hydrogen peroxide source.
  • the hydrogen peroxide source may comprise any compound that produces perhydroxyl ions on contact with water.
  • Suitable water-soluble sources of hydrogen peroxide for use herein include percarbonates, perborates and persilicates and mixtures thereof.
  • the bleaching agents are hydrogen peroxide aqueous solutions where in the hydrogen peroxide content ranges is at least about 1%, or at least about 5%, and less than about 50%, or less than about 25%. In a specific embodiment, a 30% hydrogen peroxide aqueous solution is used.
  • Other bleaching agents may also be used, including catalytic metal complexes such as those described in US 5,576,282, US 5,597,936, WO 00/332601, and US 6,225,464; bleaching enzymes such as those described in US 2005/003988A1; photo bleaches such as those described in US 2004/0266648 Al; and hypohalite bleaches.
  • bleach comprises from about 0.01% to about 20%, preferably from about 0.1% to about 10%, more preferably from about 0.5% to about 3%, by weight of the aqueous foam composition, (ii) Enzymes
  • Suitable enzymes for use herein include protease, amylase, lipase, cellulase, carbohydrase including mannanase and endoglucanase, and mixtures thereof. Enzymes can be used at their art-taught levels, for example, at levels recommended by suppliers such as Novozymes and Genencor. Typical levels in the compositions are from about 0.0001% to about 5%. When enzymes are present, they can be used at very low levels, e.g., from about 0.001% or lower, in certain embodiments of the invention. (iii) Soil repellents
  • soil repellent refers to materials that provide one or more of the following advantages: reducing the oleophilicity or hydrophilicity of fabric or fiber surface, inhibiting wicking of oily/hydrophobic or hydrophilic soils into the fabric or fiber bundles, and providing oil or water repellency during normal wear.
  • soil repellents suitable for use herein include:
  • an amphophilic polymer having at least one unit carrying a cationic functional group and its counterion and at least one unit having a hydrophobic character, the two are bonded together via an oligomeric or polymeric chain selected from the group consisting of polyvinyl alcohol, polyalkylene glycols, polysaccharides, acrylic polymers and copolymers thereof, such as those polymers described in US 6,379,394;
  • alkyl polysiloxanes alkoxy polysiloxanes, alkylalkoxy polysiloxanes, fluorinated polysiloxanes, polyester modified polysiloxanes, amino goup-contianing polysiloxanes, such as those siloxane polymers described in US 2,923,653; US 2,962,290; US 5,417,744; US 5,759,685; US 5,584,917; US 6,074,470; and US 6,676,733;
  • fluorinated polyethers organofluoro compounds having a fluorocarbon portion and a hydrocarbon portion, as well as alkyl, alkoxy, ester , urea, or isocyanate groups, such as those compounds described in US 5,276,175; US 5,509,939; US 6,509,433; US 2005/0171279Al, and references therein.
  • the soil repellent comprises from about 0.01% to about 20%, preferably from about 0.1% to about 10%, more preferably from about 0.5% to about 3%, by weight of the aqueous foam composition, (iv) Soil release polymers
  • soil-release refers to the ability of the fabric article to be washed or otherwise treated to remove soils that have come into contact with the fabric article.
  • the soil release polymers may not wholly prevent the attachment of soil to the fabric article, but may hinder such attachment and improve the cleaning of the fabric article. Nonlimiting examples of soil release polymers are described below.
  • fluorine-containing soil release polymers useful in the present invention can be a polymer derived from perfluoroalkyl monomers, or from a mixture of perfluoroalkyl monomers and alkyl (meth)acrylate monomers.
  • fluoro-SRPs are commercially available under the tradename Repearl F35® in an aqueous suspension form from Mitsubishi, and under the tradenames Zonyl 7060®, Zonyl 8300®, and Zonyl 8787® from DuPont.
  • fluoro-SRPs are disclosed in US 6,451,717; WO 01/98384; WO 01/81285; JP 10-182814; JP 2000-273067; WO 98/4160213, and WO 99/69126.
  • Si-SRPs silicone-containing soil release polymers
  • DF104® DF1040®
  • SM2125® SM2245®
  • SM2101® SM2059® from GE
  • Dow Corning 75SF® Emulsion exemplary silicone-containing soil release polymers
  • Suitable Si-SRPs have a weight- average molecular weight in the range from about 1000 to about 10,000,000, or from about 5000 to about 5,000,000, or from about 10,000 to about 1,000,000.
  • Si-SRP is a curable aminosilicone
  • the curable Si SRP is relatively flowable when applied to the fabrics and can be cured to form a film-like layer over the fabric surface.
  • Si-SRPs having molecular weight higher than 100,000 can be deposited onto fabric surface without further curing.
  • water soluble modified celluloses which include, but are not limited to: carboxymethylcellulose, hydroxypropylcellulose, methylcellulose, and like compounds. These compounds, and other suitable compounds, are described in Kirk Othmer Encyclopedia of Chemical Technology, 4 th Edition, vol. 5, pages 541-563, under the heading of "Cellulose Ethers", and in the references cited therein.
  • Suitable soil release polymers may comprise block copolymers of polyalkylene terephthalate and polyoxyethylene terephthalate, and block copolymers of polyalkylene terephthalate and polyethylene glycol. These compounds are disclosed in details in are discussed in US 6,358,914 and US 4,976,879.
  • Another class of soil release polymer is a crystallizable polyester comprising ethylene terephthalate monomers, oxyethylene terephthalate monomers, or mixtures thereof.
  • this polymer are commercially available as Zelcon 4780® (from DuPont) and Milease T® (from ICI). A more complete disclosure of these soil release agents is contained in EP 0 185 427 Al.
  • the soil release polymer comprises from about 0.01% to about 20%, preferably from about 0.1% to about 10%, more preferably from about 0.5% to about 3%, by weight of the aqueous foam composition.
  • Surfactants useful herein aid in the wetting of the fabric being pretreated and therefore may be selected from a wide variety of known surfactant materials as long as the surfactant used is either completely removed by the subsequent non-aqueous laundering step, or if not removed (in whole or only in part) then the surfactant is not recognized after the laundering step by the consumer as a stain on the fabric that has been pretreated. Silicone-containing surfactants are preferred for use in the pretreatment compositions useful herein, alone or in combination with other surfactants.
  • Silicone-containing surfactants suitable for use herein contain at least one hydrophilic portion and at least one lipophilic portion.
  • Suitable silicone-containing surfactants typically have the following general formulas:
  • L and L' are solvent compatibilizing (or lipophilic) moieties, which are independently selected from:
  • M is RVeXeSiOi/2 wherein R 1 is independently H, or an alkyl group, X is hydroxyl group, and e is 0 or 1 ;
  • D is R 4 2 Si ⁇ 2/2 wherein R 4 is independently H or an alkyl group; D' is R 5 2 Si ⁇ 2/2 wherein R 5 is independently H, an alkyl group or (CH 2 )f(C 6 Q 4 )gO- (C 2 H 4 O) 11 -(C 3 H 6 O) 1 (C k H 2 ] ⁇ ) J -R 3 , provided that at least one R 5 is (CH 2 MC 6 Q 4 ) g O-(C 2 H 4 O) h - (C 3 H 6 O) 1 (C k H 2I j) J -R 3 , wherein R 3 is independently H, an alkyl group or an alkoxy group, f is 1-10, g is 0 or 1, h is 1-50, i is 0-50, j is 0-50, k is 4-8; C 6 Q 4 is unsubstituted or substituted; Q is independently selected from H, C 1-1 O alkyl, C 2-1 O alkenyl,
  • D is R 6 2 Si0 2/2 wherein R 6 is independently H, an alkyl group or
  • Y and Y' are hydrophilic moieties, which are independently selected from hydroxy; polyhydroxy; C1-C3 alkoxy; mono- or di- alkanolamine; C1-C4 alkyl substituted alkanolamine; substituted heterocyclic containing O, S, N; sulfates; carboxylate; carbonate; and when Y and/or Y' is ethoxy (EO) or propoxy (PO), it must be capped with R, which is selected from the group consisting of: (i) a 4 to 8 membered, substituted or unsubstituted, heterocyclic ring containing from 1 to 3 hetero atoms; and
  • X is a bridging linkage selected from O; S; N; P; Cl to C22 alkyl, linear or branched, saturated or unsaturated, substituted or unsubstituted, cyclic or acyclic, aliphatic or aromatic, interrupted by O, S, N, P; glycidyl, ester, amido, amino, PO 4 2" , HP(V, PO 3 " , HPO 3 " , which are protonated or unprotonated; u and w are integers independently selected from 0 to 20, provided that u+w >1; t is an integer from 1 to 10; v is an integer from 0 to 10; x is an integer from 1 to 20; and y and z are integers independently selected from 1 to 10.
  • Nonlimiting examples of surfactants having the above formula include: alkanolamines/alkanolamides; phophate/phosphonate esters; gemini surfactants including, but are not limited to, gemini diols, gemini amide alkoxylates, gemini amino alkoxylates; capped nonionic surfactants; capped silicone surfactants such as nonionic silicone ethoxylates, silicone amine derivatives; alkyl alkoxylates; polyol surfactants; and mixtures thereof.
  • silicone-containing surfactants are derived from poly(dimethylsiloxane). These silicone-containing surfactants include polyether siloxanes, typically with a weight average molecular weight from 500 to 20,000 daltons. Examples of silicone-containing surfactants described herein above may be found in EP 1,043,443Al, EP 1,041,189Al and WO 01/34,706 (all assigned to GE Silicones); US 5,676,705, US 5,683,977, US 5,683,473, and EP 1,092,803Al (all assigned to Lever Brothers); and US 6,890,892, US 2003/0060396A1, and US 2004/0266643 Al (assigned to Procter & Gamble).
  • Nonlimiting commercially available examples of suitable silicone-containing surfactants are TSF 4446® (ex. General Electric Silicones), XS69-B5476® (ex. General Electric Silicones); Jenamine® HSX (ex. DelCon) and Y12147® (ex. OSi Specialties).
  • silicone-containing surfactants suitable for use herein include, but are not limited to, the polyalkyleneoxide polysiloxanes having a dimethyl polysiloxane hydrophobic moiety and one or more hydrophilic polyalkylene side chains and have the general formula: R 1 — (CH 3 ) 2 Si0— [(CH 3 ) 2 Si0] a — [(CH 3 )(R 1 )SiO] b — Si(CHs) 2 -R 1 wherein a + b are from about 1 to about 50, preferably from about 3 to about 30 , more preferably from about 10 to about 25, and each R 1 is the same or different and is selected from the group consisting of methyl and a poly(ethyleneoxide/propyleneoxide) copolymer group having the general formula: -(CH 2 ) n 0(C 2 H 4 O) c (C 3 H 6 O) d R 2 with at least one R 1 being a poly(ethyleneoxide/propyleneoxid
  • Examples of these surfactants may be found in US 5,705,562 and US 5,707,613, both of which are assigned to Dow Corning Corporation.
  • Examples of this type of surfactants are the Silwet® surfactants which are available from CK Witco, OSi Division, Danbury, Connecticut.
  • Preferred Silwet® surfactants are L- 7600, L-7602, L-7604, L-7605, L-7657, and mixtures thereof.
  • silicone surfactant is SF-1488®, which is available from GE silicone fluids.
  • SF-1488® is available from GE silicone fluids.
  • a preferred silicone-containing surfactant is Dow Corning Q2-5211 (made by Dow Corning Q2-5211 (made by Dow Corning Q2-5211 (made by Dow Corning Q2-5211 (made by Dow Corning Q2-5211 (made by Dow Corning Q2-5211 (made by Dow Corning Q2-5211 (made by
  • foaming agent Any material (including surfactants) that stabilizes the foam structure of the pretreatment composition is useful as a foaming agent.
  • Surfactants may provide both the fabric wetting benefit described above for the surfactant component of the pretreatment composition and act as a foaming agent.
  • foaming agents include: water-soluble amine oxides containing alkyl and hydroxyalkyl moieties; and betaines, including alkyl betaines, sulfo betaines and hydroxy betaines.
  • Suitable foaming agents also include amine surfactants such as primary alkylamines having from about 6 to about 22 carbon atoms; nonlimiting examples include oleylamine (commercially available from Akzo under the trade name ARMEEN OLD), dodecylamine (commercially available from Akzo under the trade name ARMEEN 12D), branched C 16 -C 22 alkylamine (commercially available from Rohm & Haas under the trade name PRIMENE JM-T.
  • amine surfactants such as primary alkylamines having from about 6 to about 22 carbon atoms; nonlimiting examples include oleylamine (commercially available from Akzo under the trade name ARMEEN OLD), dodecylamine (commercially available from Akzo under the trade name ARMEEN 12D), branched C 16 -C 22 alkylamine (commercially available from Rohm & Haas under the trade name PRIMENE JM-T.
  • Optional Adjunct Ingredients may optionally comprise at least one adjunct ingredient
  • a cleaning adjunct When a cleaning adjunct is used, it is used generally at a level of at least about 0.01%, preferably at least about 0.5%, more preferably at least about 1%, and typically less than about 20%, preferably less than about 10%, more preferably less than about 5%, by weight of the composition.
  • some adjunct ingredients may be present in specific amounts different from the general amount above.
  • Perfumes and perfumery adjunct ingredients useful in the compositions of the present invention include a wide variety of natural and synthetic chemical ingredients, including, but not limited to, aldehydes, ketones, esters, and the like. Also included are various natural extracts and essences which can comprise complex mixtures of ingredients, such as orange oil, lemon oil, rose extract, lavender, musk, patchouli, balsamic essence, sandalwood oil, pine oil, cedar, and the like. Finished perfumes may comprise extremely complex mixtures of such ingredients.
  • Pro-perfumes are also useful in the present invention. Such materials are those precursors or mixtures thereof capable of chemically reacting, e.g., by hydrolysis, to release a perfume, and are described in patents and/or published patent applications to Procter and Gamble, Firmenich, Givaudan and others.
  • Suitable solvents adjunct ingredients include C1-C6 alcohols, C2-C6 diols, glycols, ethers, and mixtures thereof.
  • solvent When solvent is used, it is used typically at a level of at least about 0.1%, preferably at least about 1%, more preferably at least about 2%, and typically less than about 30%, preferably less than about 20%, more preferably less than about 10%, by weight of the aqueous foam composition.
  • Nonlimiting examples of pH modifiers adjunct ingredients include the following buffering systems: D(+)-Tartaric acid and sodium hydroxide buffer, citric acid and sodium hydroxide, citric acid and sodium citrate, succinic acid and sodium hydroxide,
  • Tris (hydroxymethyl) aminomethane or Tris
  • sodium hydroxide potassium dihydrogen phosphate and sodium hydroxide.
  • Suitable odor control adjunct ingredients include agents include, cyclodextrins, odor neutralizers, odor blockers and mixtures thereof.
  • Suitable odor neutralizers include aldehydes, flavanoids, metallic salts, water-soluble polymers, zeolites, activated carbon and mixtures thereof.
  • cleaning adjunct ingredients suitable for use in the compositions of the present invention include, but are not limited to, builders including the insoluble types, such as zeolites including zeolites A, P and the so-called maximum aluminum P, and the soluble types such as the phosphates and polyphosphates, any of the hydrous, water- soluble or water-insoluble silicates, 2,2'-oxydisuccinates, tartrate succinates, glycolates, NTA and many other ethercarboxylates or citrates; chelants including EDTA, S, S'- EDDS, DTPA and phosphonates; inorganic thickeners such as clays, silicates; water soluble organic thickeners such as carboxylated vinyl polymers, incuding polyacrylics, polyacrylamides, ethoxylated cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, xanthum gums, guar gums, alginates; optical brighteners; processing aids such as crisping
  • Non-aqueous wash medium useful herein comprises one or more lipophilic fluids.
  • the non-aqueous wash medium comprises more than 50%, preferably more than 80% by weight of the wash medium of linear and/or cyclic siloxanes, preferably cyclic siloxanes, and more preferably decamethyl cyclopentasiloxanes, ("D5").
  • the non-aqueous wash medium comprises lipophilic fluids wherein cyclic siloxanes comprise more than 50%, preferably more than 80% by weight of the lipophilic fluid.
  • the nonaqueous wash medium comprises a predominant fluid which is a siloxane, preferably a cyclic siloxane.
  • the term "predominant fluid” does not require the fluid to be present at more than 50 wt% of a fluid mixture.
  • siloxane is by the present definition the predominant fluid.
  • Lipophilic fluid as used herein means any liquid or mixture of liquid that is immiscible with water at up to 20% by weight of water.
  • a suitable lipophilic fluid can be fully liquid at ambient temperature and pressure, can be an easily melted solid, e.g., one that becomes liquid at temperatures in the range from about O 0 C to about 6O 0 C, or can comprise a mixture of liquid and vapor phases at ambient temperatures and pressures, e.g., at 25 0 C and 1 atm. pressure.
  • the suitable lipophilic fluid may be non-flammable or, have relatively high flash points and/or low VOC (volatile organic content) characteristics, these terms having conventional meanings as used in the dry cleaning industry, to equal to or exceed the characteristics of known conventional dry cleaning fluids.
  • Non-limiting examples of suitable lipophilic fluid materials include siloxanes, other silicones, hydrocarbons, glycol ethers, glycerine derivatives such as glycerine ethers, perfluorinated amines, perfluorinated and hydrofluoroether solvents, low-volatility nonfluorinated organic solvents, diol solvents, other environmentally- friendly solvents and mixtures thereof.
  • Silicone as used herein means silicone fluids that are non-polar and insoluble in water or lower alcohols.
  • Linear siloxanes see for example US Patents 5,443,747, and 5,977,040
  • cyclic siloxanes are useful herein, including the cyclic siloxanes selected from the group consisting of octamethyl-cyclotetrasiloxane (tetramer), dodecamethyl- cyclohexasiloxane (hexamer), decamethyl-cyclopentasiloxane (pentamer, commonly referred to as "D5") and mixtures thereof.
  • a suitable siloxane comprises more than about 50% cyclic siloxane pen tamer, or more than about 75% cyclic siloxane pentamer, or at least about 90% of the cyclic siloxane pentamer. Also suitable for use herein are siloxanes that are a mixture of cyclic siloxanes having at least about 90% (or at least about 95%) pentamer and less than about 10% (or less than about 5%) tetramer and/or hexamer.
  • the lipophilic fluid can include any fraction of dry-cleaning solvents, especially newer types including fluorinated solvents, or perfluorinated amines. Some perfluorinated amines such as perfluorotributylamines, while unsuitable for use as lipophilic fluid, may be present as one of many possible adjuncts present in the lipophilic fluid-containing composition.
  • lipophilic fluids include, but are not limited to, diol solvent systems e.g., higher diols such as Ce or Cs or higher diols, organosilicone solvents including both cyclic and acyclic types, and the like, and mixtures thereof.
  • Non-limiting examples of low volatility non-fluorinated organic solvents include for example OLEAN ® and other polyol esters, or certain relatively nonvolatile biodegradable mid-chain branched petroleum fractions.
  • glycol ethers include propylene glycol methyl ether, propylene glycol n-propyl ether, propylene glycol t-butyl ether, propylene glycol n-butyl ether, dipropylene glycol methyl ether, dipropylene glycol n-propyl ether, dipropylene glycol t-butyl ether, dipropylene glycol n-butyl ether, tripropylene glycol methyl ether, tripropylene glycol n-propyl ether, tripropylene glycol t-butyl ether, tripropylene glycol n- butyl ether.
  • Non-limiting examples of other silicone solvents, in addition to the siloxanes, are well known in the literature, see, for example, Kirk Othmer's Encyclopedia of Chemical Technology, and are available from a number of commercial sources, including GE
  • silicone solvent is SF-1528 available from GE Silicones.
  • Non-limiting examples of suitable glycerine derivative solvents include 2,3- bis( 1 , 1 -dimethylethoxy)- 1 -propanol; 2,3-dimethoxy- 1 -propanol; 3-methoxy-2- cyclopentoxy-1-propanol; 3-methoxy-l-cyclopentoxy-2-propanol; carbonic acid (2- hydroxy-l-methoxymethyl)ethyl ester methyl ester; glycerol carbonate and mixtures thereof.
  • Cleaning, detersive and/or fabric care agents may optionally be added to the nonaqueous wash medium. Nonlimiting examples of these agents are described in U.S. Patent Nos.
  • the aqueous foam composition is preferably dispensed from a foam-generating applicator.
  • the applicator comprises a vessel having a hollow body for containing the composition and a foam-generating dispenser which is operatively attached, directly or indirectly, to the vessel for generating a foam.
  • the foam-generating dispenser may generate a foam via any method, such as a chemical reaction, an enzyme reaction and/or a mechanical action.
  • a mechanical action typically involves imparting a gas, such as air, nitrogen, carbon dioxide, directly into the composition in a turbulent manner as it dispenses, so as to physically form a foam of the composition.
  • foam-generating dispenser may include an air injection piston, a pump, an impinging surface, a mesh or net, and/or a sprayer.
  • An exemplary foam-generating applicator is described in details in US 2004/0229763 Al.
  • Other nonlimiting examples of foam-generating applicators suitable for use herein include T8900, OpAd FO 8203 and 7512 series foamers from Afa-polytek, Holmond, The Netherlands; Tl, F2 and WR-F3 series foamers from Airspray International, Inc., North Pompano Beach, FIa.
  • Foam to weight ratio is a measurement of the mL of foam generated per gram of composition.
  • the foam-generating applicator useful herein generates a foam having a foam to weight ratio of greater than about 2 mL/g, preferably from about 3 mL/g to about 10 mL/g, more preferably from about 4 mL/g to about 8mL/g.
  • Foam to weight ratio is measured as follows: a volumetric measuring device, such as a graduated cylinder is weighed to get a tare weight. Then, the composition is dispensed, using the foam-generating applicator, if appropriate, into a graduated cylinder a set number of strokes for non-continuous dispensing applicators or for a set time period for continuous dispensing applicators. Typically, ten strokes are applied to non- continuous applicators (pumps, sprayers) or ten seconds are used with continuous applicators. The dispensing rate in the test should be consistent with the dispensing rate during normal usage scenarios, for example, 120 strokes per minute for trigger sprayers, or 45 strokes per minute for palm pumps.
  • the volume of foam generated is measured in mL using the volumetric measuring device (graduated cylinder).
  • the volumetric measuring device containing the dispensed composition is weighed in grams.
  • the tare weight of the volumetric measuring device is subtracted from this weight. The result is the grams of the composition dispensed.
  • the foam to weight ratio in mL/g is calculated by dividing the volume of foam generated (in mL) by the weight composition dispensed (in g).
  • the aqueous foam composition may be applied to a stain, preferably a hydrophilic stain, on a fabric article in need of treatment by the foam-generating applicator. Once the composition is applied, it is allowed sufficient time for the composition, more specifically the stain removal agents, to penetrate the fabric and to become associate with the soils. The fabric article is then washed in a non-aqueous medium in a washing machine according to standard laundering practice.
  • the aqueous foam compositions are typically used for direct treatment of a soil or stained area of a textile or garment. Specifically, an effective amount of the aqueous foam composition is dispensed (manually or mechanically) from a dispensing device and applied directly to the location of a stain on a soiled garment or fabric article, optionally onto the surrounding area of the stain.
  • the dispensing device can be the foam-generating applicator described above.
  • the applicator may be further equipped with a spraying mechanism such as a pump and a spray nozzle, a squeezable container, a liquid permeable applicator tip made of porous materials such as sponges or fibrous mats, a spinnable brush tip, and the like.
  • a spraying mechanism such as a pump and a spray nozzle, a squeezable container, a liquid permeable applicator tip made of porous materials such as sponges or fibrous mats, a spinnable brush tip, and the like.
  • an effective amount of the composition is dispensed as a foam and applied substantially evenly to a localized area on the fabric or garment.
  • from about 0.1 to about 900 mg, preferably from about 50 to about 750 mg, more preferably from about 100 to about 400 mg composition per gram of treated fabric is applied.
  • the effective amount of the stain removal agent applied to the fabric is from about 0.03 mg to about 30 mg per gram of treated fabric.
  • the foam composition is allowed to penetrate the fabric. Because the high air/gas content in the foamed composition, the soil removal agents in the composition penetrate the fabric more slowly and more evenly than if the composition were dispensed as sprayed or misted droplets. This allows the treating agents in the composition to have more time to associate with the stains before the fabric article is placed inside a laundering machine.
  • the pretreatment time is at least about 10 seconds, preferably from about 10 to about 900 seconds, more preferably from about 20 to about 600 seconds, even more preferably from about 30 to about 300 seconds.
  • the hydrophilic soils loosened from the fabric exhibit a lesser tendency to redeposit onto the aqueous pretreated spot during the subsequent non-aqueous wash step.
  • aqueous pretreat composition when an aqueous pretreat composition is applied as droplets, water in the composition is instantaneously absorbed/wicked into the fabric, to form concentrated spots on the pretreated fabrics; such concentrated water spots act like magnets attracting the hydrophilic soils in a non-aqueous wash medium.
  • the foam composition allows for more even distribution of the treating agents as well as the carrier (i.e., water); thus, there are no concentrated water spots on the pretreated fabric to attract hydrophilic soils.
  • Such manipulation provides the mechanical action helpful for physically breaking up the stains. This is particularly useful for aged stains that have been left untreated for an extended period of time such as days or weeks, and may have hardened.
  • the entire process may take place inside a laundering apparatus, in a hands-free manner.
  • the fabric articles are placed inside a fabric article treating apparatus; the fabric articles may initially be contacted by an aqueous foam composition and subsequently contacted by a non-aqueous wash medium comprising lipophilic fluid, preferably more than 50 wt% cyclic siloxane.
  • the apparatus may be capable of executing automated dosing of the aqueous foam composition and/or the lipophilic fluid by the apparatus.
  • the aqueous foam compositions of the present invention are preferably included in a product.
  • the product preferably comprises an aqueous composition in a container, preferably a foam-generating applicator in accordance with the present invention, and further comprises instructions for using the product to launder fabrics by contacting a fabric in need of treatment with an effective amount of the composition, preferably to a localized area, and followed by a non-aqueous wash treatment, such that the soils are removed from the laundered article.
  • the foam-generating applicator may be provided separately, and the aqueous composition may be transferred to the separately acquired foam-generating applicator prior to use or dispensing.
  • the present invention therefore also encompasses the inclusion of instructions on the use of the compositions of the present invention with packages containing the compositions herein or with other forms of advertising associated with the sale or use of the compositions.
  • the instructions may be included in any manner typically used by consumer product manufacturing or supply companies. Examples include providing instructions: on a label attached to the container holding the composition; on a sheet either attached to the container or accompanying it when purchased; or in advertisements, demonstrations, and/or other written or oral instructions which may be associated with the purchase or use of the compositions.
  • the instructions may include a description of the use of the composition, for instance: the recommended amount of composition to apply to a localized (e.g., stained) area; the recommended amount of time to wait for the composition to penetrate the pretreated fabric; and the recommended wash medium to used in the subsequent laundering step.
  • the product may be a garment stain removal kit comprising: (a) a dispenser comprising a vessel and a foam-generating dispensing device; (b) an aqueous composition comprising a hydrophilic stain removal agent and water, the hydrophilic stain removal agent is selected from the group consisting of a bleach, an enzyme, a soil repellent, a soil release polymer, and mixtures thereof; and (c) a set of instructions for using the kit comprising the steps of: (i) placing the composition in the vessel, if the composition and the vessel are provided separately; (ii) using the dispenser to apply an effective amount of the composition to at least a stained portion of a garment, wherein the composition is dispensed from the dispenser as a foam having a foam to weight ratio of greater than about 2 mL/g and the effective amount is at least about 0.1 mg/g of treated fabric; (iii) allowing the composition to penetrate the garment for at least about 10 seconds; and (iv) placing the garment in a laundry apparatus and
  • Non-limiting examples of aqueous foam pretreatment compositions useful herein include the following:

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

La présente invention concerne une méthode de nettoyage d'article textile, plus particulièrement une méthode de nettoyage d'article textile employant une composition de prétraitement à base aqueuse hydrophile en combinaison avec un système de blanchissage lipophile.
EP06821190A 2005-10-13 2006-10-13 Methode de detachage d'articles textile Revoked EP1934395B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72640505P 2005-10-13 2005-10-13
PCT/IB2006/053771 WO2007043024A2 (fr) 2005-10-13 2006-10-13 Methode de traitement d'article textile

Publications (2)

Publication Number Publication Date
EP1934395A2 true EP1934395A2 (fr) 2008-06-25
EP1934395B1 EP1934395B1 (fr) 2012-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06821190A Revoked EP1934395B1 (fr) 2005-10-13 2006-10-13 Methode de detachage d'articles textile

Country Status (4)

Country Link
EP (1) EP1934395B1 (fr)
AR (1) AR058093A1 (fr)
CA (1) CA2622678A1 (fr)
WO (1) WO2007043024A2 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020000009A1 (en) * 1999-11-10 2002-01-03 General Electric Company Process for stabilization of dry cleaning solutions
EP1122302A1 (fr) * 2000-01-31 2001-08-08 Henkel Kommanditgesellschaft auf Aktien Traitement des textiles souillés

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007043024A2 *

Also Published As

Publication number Publication date
WO2007043024A3 (fr) 2008-01-24
CA2622678A1 (fr) 2007-04-19
EP1934395B1 (fr) 2012-11-14
WO2007043024A2 (fr) 2007-04-19
AR058093A1 (es) 2008-01-23

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