WO2021118774A1 - Fabric care composition - Google Patents

Fabric care composition Download PDF

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Publication number
WO2021118774A1
WO2021118774A1 PCT/US2020/060977 US2020060977W WO2021118774A1 WO 2021118774 A1 WO2021118774 A1 WO 2021118774A1 US 2020060977 W US2020060977 W US 2020060977W WO 2021118774 A1 WO2021118774 A1 WO 2021118774A1
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WIPO (PCT)
Prior art keywords
fabric care
care composition
group
weight
monomer
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Application number
PCT/US2020/060977
Other languages
French (fr)
Inventor
Randara PULUKKODY
Lyndsay M. LEAL
Fanwen Zeng
Michael B. Clark
John Hayes
Jennifer KOENIG
Stephen J. DONOVAN
Michael C. Mitchell
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Rohm And Haas Company
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Publication of WO2021118774A1 publication Critical patent/WO2021118774A1/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
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in liquid 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
    • C11D3/16—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
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention relates to a fabric care composition.
  • the present invention relates to a fabric care composition containing: a fabric care benefit agent; and a deposition aid polymer comprising: (a) 47 to 97.5 wt%, based on weight of the deposition aid polymer, of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; and (b) 2.5 to 53 wt%, based on weight of the deposition aid polymer, of structural units of monoethylenically unsaturated monocationic monomer of formula
  • R 3 and R 4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group; wherein the deposition aid polymer comprises ⁇ 10 mol% of structural units of multiethylenically unsaturated cationic monomer, ⁇ 40 mol% of structural units of cationic monomer and ⁇ 1 mol% of quatemized vinylimidazole.
  • Wang et al disclose a laundry product composition comprising a stable mixture of: a) from about 0.1% to about 10%, by weight of the composition, of at least one water insoluble silicone derivative fabric care benefit agent, wherein the silicone derivative fabric care benefit agent has a particle size of from about 1 nm to 100 microns; b) from about 0.01% to about 5%, by weight of the composition, of at least one cationic cellulose delivery enhancing agent; c) from about 1% to about 80%, by weight of the composition, of a surfactant; d) from about 3.96% to about 80%, by weight of the composition, of a builder; and e) from about 0.001% to about 5%, by weight of the composition, of a compatible enzyme selected from lipase enzymes, protease enzymes or mixtures thereof; wherein the ratio of the delivery enhancing agent to
  • the present invention provides a fabric care composition, comprising: 0.1 to 15 wt%, based on weight of the fabric care composition, of a fabric care benefit agent; and > 2 wt% to 15 wt%, based on weight of the fabric care composition, of a deposition aid polymer comprising:
  • the present invention provides a method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition according to the present invention; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry.
  • a fabric care composition comprising: 0.1 to 15 wt% of a fabric care benefit agent; and > 2 wt% to 15 wt% of a deposition aid polymer comprising: (a) 47 to 97.5 wt% of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; and (b) 2.5 to 53 wt% of structural units of monoethylenically unsaturated monocationic monomer of formula (I) wherein X is selected from the group consisting of an -O- and a -N-; wherein R 1 is a -Ci-4 alkylene; wherein R 2 , R 3 and R 4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group; wherein the cationic polymer comprises ⁇ 10 mol% of structural units of multiethylenically unsaturated cationic monomer; wherein the cationic
  • Weight percentages (or wt%) in the composition are percentages of dry weight, i.e., excluding any water that may be present in the composition.
  • weight average molecular weight and “M w” are used interchangeably to refer to the weight average molecular weight as measured in a conventional manner with gel permeation chromatography (GPC) and conventional standards, such as polystyrene standards. GPC techniques are discussed in detail in Modem Size Exclusion Liquid Chromatography: Practice of Gel Permeation and Gel Filtration Chromatography, Second Edition, Striegel, et al., John Wiley & Sons, 2009. Weight average molecular weights are reported herein in units of Daltons.
  • structural units refers to the remnant of the indicated monomer; thus a structural unit of acrylamide monomer is illustrated:
  • structural units refers to the remnant of the indicated monomer; thus a structural unit of /V,/V-dimethyl acrylamide monomer is illustrated:
  • the fabric care composition of the present invention comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent (preferably, a silicone); > 2 wt% to 15 wt% (preferably, 2.1 to 10 wt%; more preferably, 2.2 to 7.5; most preferably, 2.25 to 5 wt%), based on weight of the fabric care composition, of a deposition aid polymer comprising: (a) 47 to 97.5 wt% (preferably, > 50 to 95 wt%; more preferably; 55 to 94 wt%; most preferably, 59 to 92.5 wt%) of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; (preferably, wherein > 50 wt% (preferably, 60 to
  • the fabric care composition of the present invention comprises: a fabric care benefit agent. More preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent.
  • the fabric care composition of the present invention comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent is selected from the group consisting of a softening agent, a fragrance and mixtures thereof.
  • the fabric care composition of the present invention comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent includes a fabric softening silicone; wherein the fabric softening silicone is selected from the group consisting of a nitrogen free silicone polymer, an anionic silicone polymer and mixtures thereof.
  • the fabric care composition of the present invention comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on the weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent is a fabric softening silicone.
  • the fabric care composition of the present invention comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on the weight of the fabric care composition, of a fabric softening silicone; wherein the fabric softening silicone is selected from the group consisting of a nitrogen free silicone polymer, an anionic silicone polymer and mixtures thereof; and wherein the fabric softening silicone is in the form of an emulsion.
  • Preferred nitrogen free silicone polymers include nonionic nitrogen free silicone polymers, zwitterionic nitrogen free silicone polymers, amphoteric nitrogen free silicone polymers and mixtures thereof.
  • Preferred nitrogen free silicone polymers have formula (III),
  • each R 1 is independently selected from the group consisting of a Ci-20 alkyl group, a C2-20 alkenyl group, a C6-20 aryl group, a C7-20 arylalkyl group, a C7-20 alkylaryl group, a C7-20 arylalkenyl group and a C7-20 alkenylaryl group (preferably, wherein R 1 is selected from the group consisting of a methyl group, a phenyl group and a phenylalkyl group); wherein each R 2 is independently selected from the group consisting of a -OH group, a Ci-20 alkyl group, a C2-20 alkenyl group, a C6-20 aryl group, a C7-20 arylalkyl group, a C7-20 alkylaryl group, a C7-20 arylalkenyl group, a C7-20 alkenylaryl group and
  • each R 3 is independently selected from the group consisting of a hydrogen, a C M alkyl group and an acetyl group; wherein a has a value such that the viscosity of the nitrogen free silicone polymer according to formula (III) or formula (V) is 2 to 50,000,000 centistokes at 20 °C (preferably, 10,000 to 10,000,000 centistokes at 20 °C); wherein b is 1 to 50 (preferably, 1 to 30); wherein c is 1 to 50 (preferably, 1 to 30); wherein n is 1 to 50 (preferably, 3 to 5); wherein m is 1 to 100 (preferably, 6 to 100); wherein p is 0 to 14 (preferably, 0 to 3); wherein m + p is 5 to 150 (preferably, 7 to 100) (preferably, wherein R 2 is selected from the group consisting of a -OH group, methyl group,
  • Preferred nitrogen free silicone polymers include anionic silicone polymers.
  • Anionic silicone polymers are described, for example, in The Encyclopedia of Polymer Science, volume 11, p. 765.
  • anionic silicone polymers include silicones that incorporate carboxylic, sulphate, sulphonic, phosphate and/or phosphonate functionality.
  • Preferred anionic silicone polymers incorporated carboxyl functionality (e.g., carboxylic acid or carboxylate anion).
  • Preferred anionic silicone polymers have a weight average molecular weight of 1,000 to 100,000 Daltons (preferably, 2,000 to 50,000 Daltons; more preferably, 5,000 to 50,000 Daltons; most preferably, 10,000 to 50,000 Daltons).
  • the anionic silicone polymer has an anionic group content of at least 1 mol% (more preferably, at least 2 mol%).
  • the anionic groups on the anionic silicone polymer are not located on the terminal position of the longest linear silicone chain.
  • Preferred anionic silicone polymers have anionic groups at a midchain position on the silicone. More preferred anionic silicone polymers have anionic groups located at least 5 silicone atoms from a terminal position on the longest linear silicone chain in the anionic silicone polymer.
  • the fabric care composition of the present invention comprises: 0.1 to 15 wt% (more preferably, 0.5 to 8 wt%; still more preferably, 0.75 to 7.5 wt%; most preferably, 0.8 to 2 wt%), based on weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent includes a fragrance. More preferably, the fabric care composition of the present invention further comprises: 0.1 to 15 wt% (more preferably, 0.5 to 8 wt%; still more preferably, 0.75 to 7.5 wt%; most preferably, 0.8 to 2 wt%), based on the weight of the fabric care composition, of a fragrance; wherein the fragrance includes an essential oil.
  • the fabric care composition of the present invention further comprises: 0.1 to 15 wt% (more preferably, 0.5 to 8 wt%; still more preferably, 0.75 to 7.5 wt%; most preferably, 0.8 to 2 wt%), based on the weight of the fabric care composition, of a fragrance; wherein the fragrance includes esters (e.g., geranyl acetate); terpenes (e.g., geranol, citronellol, linalool, limonene) and aromatic compounds (e.g., vanilla, eugenol).
  • esters e.g., geranyl acetate
  • terpenes e.g., geranol, citronellol, linalool, limonene
  • aromatic compounds e.g., vanilla, eugenol
  • the fabric care composition of the present invention comprises: > 2 wt% to 15 wt% (preferably, 2.1 to 10 wt%; more preferably, 2.2 to 7.5; most preferably, 2.25 to 5 wt%), based on weight of the fabric care composition, of deposition aid polymer.
  • the fabric care composition of the present invention comprises: > 2 wt% to 15 wt% (preferably, 2.1 to 10 wt%; more preferably, 2.2 to 7.5; most preferably, 2.25 to 5 wt%), based on weight of the fabric care composition, of deposition aid polymer; wherein the deposition aid polymer comprises: (a) 47 to 97.5 wt% (preferably, > 50 to 95 wt%; more preferably; 55 to 94 wt%; most preferably, 59 to 92.5 wt%) of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; (preferably, wherein > 50 wt% (preferably, 60 to 100 wt%; more preferably, 65 to 100 wt%) of the structural units of monomers (a) are /V,/V-dimethyl acrylamide monomer) and (b) 2.5 to 53 wt% (preferably, 5 to ⁇ 50 wt%;
  • the deposition aid polymer used in the fabric care composition of the present invention has a weight average molecular weight of ⁇ 500,000 g/mol (preferably, ⁇ 400,000 g/mol; more preferably, ⁇ 375,000 g/mol).
  • the deposition aid polymer used in the fabric care composition of the present invention has a weight average molecular weight of > 100,000 /mol (preferably, > 200,000 g/mol; more preferably, > 250,000 g/mol).
  • the deposition aid polymer used in the fabric care composition of the present invention has a weight average molecular weight of 100,000 to 500,000 g/mol (preferably, 200,000 to 400,000 g/mol; more preferably, 250,000 to 375,000 g/mol).
  • the deposition aid polymer comprises ⁇ 10 mol% (preferably, 0 to 5 mol%; more preferably, 0 to 1 mol%; most preferably, 0 to ⁇ detectable limit) of structural units of multiethylenically unsaturated cationic monomer.
  • the deposition aid polymer comprises ⁇ 40 mol% of structural units of cationic monomer.
  • the deposition aid polymer comprises ⁇ 1 mol% (preferably, 0 to 0.5 mol%; more preferably, 0 to 0.1 mol%; most preferably, 0 to ⁇ detectable limit) of structural units of quaternized vinylimidazole.
  • the deposition aid polymer comprises ⁇ 30 wt%, based on weight of the deposition aid polymer, of structural units of ester containing monomers.
  • the deposition aid polymer comprises ⁇ 1 mol% (preferably, 0 to 0.5 mol%; more preferably, 0 to 0.1 mol%; most preferably, 0 to ⁇ detectable limit) of structural units of ethylenically unsaturated monomers containing a moiety selected from the group consisting of an epoxy, an anhydride, an imide, a lactone, a carboxylic acid, a sulfonic acid and an isocyanate.
  • the deposition aid polymer comprises ⁇ 0.1 mol% (preferably, 0 to ⁇ 0.01 mol%; more preferably, 0 to ⁇ 0.001 mol%; most preferably, 0 to ⁇ detectable limit) of structural units of a reactive siloxane, wherein the structural units of a reactive siloxane include Si-0 moieties.
  • the deposition aid polymer comprises ⁇ 0.1 mol% (preferably, 0 to ⁇ 0.01 mol%; more preferably, 0 to ⁇ 0.001 mol%; most preferably, 0 to ⁇ detectable limit) of structural units of a reactive siloxane, wherein the structural units of a reactive siloxane include Si-0 moieties; wherein the reactive siloxane is a polymer which may comprise one or more functional moieties selected from the group consisting of amino, amido, alkoxy, hydroxy, polyether, carboxy, hydride, mercapto, sulfate phosphate, and/or quaternary ammonium moieties — these moieties may be attached directly to the siloxane backbone through a bivalent alkylene radical, (i.e., pendant) or may be part of the backbone.
  • a bivalent alkylene radical i.e., pendant
  • the fabric care composition of the present invention further comprises: a cleaning surfactant. More preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant.
  • the fabric care composition of the present invention comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant; wherein the cleaning surfactant is selected from the group consisting of anionic surfactants, nonionic surfactants, cationic surfactants, amphoteric surfactants and mixtures thereof.
  • the fabric care composition of the present invention comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant; wherein the cleaning surfactant is selected from the group consisting of a mixture including an anionic surfactant and a non-ionic surfactant.
  • the fabric care composition of the present invention comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant; wherein the cleaning surfactant includes a mixture of a linear alkyl benzene sulfonate, a sodium lauryl ethoxysulfate and a nonionic alcohol ethoxy late.
  • Anionic surfactants include alkyl sulfates, alkyl benzene sulfates, alkyl benzene sulfonic acids, alkyl benzene sulfonates, alkyl polyethoxy sulfates, alkoxylated alcohols, paraffin sulfonic acids, paraffin sulfonates, olefin sulfonic acids, olefin sulfonates, alpha- sulfocarboxylates, esters of alpha-sulfocarboxylates, alkyl glyceryl ether sulfonic acids, alkyl glyceryl ether sulfonates, sulfates of fatty acids, sulfonates of fatty acids, sulfonates of fatty acid esters, alkyl phenols, alkyl phenol polyethoxy ether sulfates, 2-acryloxy-alkane-l
  • Preferred anionic surfactants include Cs- 20 alkyl benzene sulfates, Cs- 20 alkyl benzene sulfonic acid, Cs- 20 alkyl benzene sulfonate, paraffin sulfonic acid, paraffin sulfonate, alpha-olefin sulfonic acid, alpha-olefin sulfonate, alkoxylated alcohols, Cs- 20 alkyl phenols, amine oxides, sulfonates of fatty acids, sulfonates of fatty acid esters and mixtures thereof.
  • More preferred anionic surfactants include C 12-16 alkyl benzene sulfonic acid, C 12-16 alkyl benzene sulfonate, C 12-18 paraffin- sulfonic acid, C 12-18 paraffin-sulfonate and mixtures thereof.
  • Non-ionic surfactants include secondary alcohol ethoxylates, ethoxylated 2-ethylhexanol, ethoxylated seed oils, butanol caped ethoxylated 2-ethylhexanol and mixtures thereof.
  • Preferred non-ionic surfactants include secondary alcohol ethoxylates.
  • Cationic surfactants include quaternary surface active compounds.
  • Preferred cationic surfactants include quaternary surface active compounds having at least one of an ammonium group, a sulfonium group, a phosphonium group, an iodinium group and an arsonium group. More preferred cationic surfactants include at least one of a dialkyldimethylammonium chloride and alkyl dimethyl benzyl ammonium chloride.
  • Still more preferred cationic surfactants include at least one of C 16-18 dialkyldimethylammonium chloride, a Cs-is alkyl dimethyl benzyl ammonium chloride di-tallow dimethyl ammonium chloride and di-tallow dimethyl ammonium chloride. Most preferred cationic surfactant includes di-tallow dimethyl ammonium chloride.
  • Amphoteric surfactants include betaines, amine oxides, alkylamidoalkylamines, alkyl- substituted amine oxides, acylated amino acids, derivatives of aliphatic quaternary ammonium compounds and mixtures thereof.
  • Preferred amphoteric surfactants include derivatives of aliphatic quaternary ammonium compounds.
  • amphoteric surfactants include derivatives of aliphatic quaternary ammonium compounds with a long chain group having 8 to 18 carbon atoms. Still more preferred amphoteric surfactants include at least one of C 12-14 alkyldimethylamine oxide, 3-(N,N-dimethyl-N-hexadecyl-ammonio)propane- 1-sulfonate,
  • amphoteric surfactants include at least one of C 12-14 alkyldimethylamine oxide.
  • the fabric care composition of the present invention further comprises: a builder. More preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 1 to 50 wt%; still more preferably, 2.5 to 25 wt%; most preferably, 3 to 7 wt%), based on weight of the fabric care composition, of a builder.
  • the fabric care composition of the present invention comprises: 0 to 60 wt% (more preferably, 1 to 50 wt%; still more preferably, 2.5 to 25 wt%; most preferably, 3 to 7 wt%), based on weight of the fabric care composition, of a builder; wherein the builder; wherein the builder is selected from the group consisting of inorganic builders (e.g., tripolyphosphate, pyrophosphate); alkali metal carbonates; borates; bicarbonates; hydroxides; zeolites; citrates (e.g., sodium citrate); polycarboxylates; monocarboxylates; aminotrismethylenephosphonic acid; salts of aminotrismethylenephosphonic acid; hydroxyethanediphosphonic acid; salts of hydroxyethanediphosphonic acid; diethylenetriaminepenta(methylenephosphonic acid); salts of diethylenetriaminepenta(methylenephosphonic acid) ; ethylenediaminetetra
  • the fabric care composition of the present invention comprises: 0 to 60 wt% (more preferably, 1 to 50 wt%; still more preferably, 2.5 to 25 wt%; most preferably, 3 to 7 wt%), based on weight of the fabric care composition, of a builder; wherein the builder includes a citrate (preferably, sodium citrate).
  • a builder includes a citrate (preferably, sodium citrate).
  • the fabric care composition of the present invention further comprises a liquid carrier. More preferably, the fabric care composition of the present invention, comprises 0 to 99.8 wt% (preferably, 25 to 93 wt%; more preferably, 40 to 88.25 wt%; yet more preferably, 50 to 89.9 wt%; most preferably, 60 to 82.5 wt%), based on weight of the fabric care composition, of a liquid carrier.
  • the fabric care composition of the present invention comprises 0 to 99.8 wt% (preferably, 25 to 93 wt%; more preferably, 40 to 88.25 wt%; yet more preferably, 50 to 89.9 wt%; most preferably, 60 to 82.5 wt%), based on weight of the fabric care composition, of a liquid carrier; wherein the liquid carrier comprises water.
  • the fabric care composition of the present invention comprises 0 to 99.8 wt% (preferably, 25 to 93 wt%; more preferably, 40 to 88.25 wt%; yet more preferably, 50 to 89.9 wt%; most preferably, 60 to 82.5 wt%), based on weight of the fabric care composition, of a liquid carrier; wherein the liquid carrier comprises a mixture of water and an organic solvent.
  • the fabric care composition of the present invention further comprises a liquid carrier; wherein the liquid carrier includes water.
  • the fabric care composition of the present invention comprises: 10 to 93 wt% (preferably, 25 to 90 wt%; more preferably, 40 to 75 wt%; most preferably, 50 to 65 wt%), based on the weight of the fabric care composition, of water. Still more preferable, the fabric care composition of the present invention, comprises: 10 to 93 wt% (preferably, 25 to 90 wt%; more preferably, 40 to 75 wt%; most preferably, 50 to 65 wt%), based on the weight of the fabric care composition, of water, wherein the water is at least one of distilled water and deionized water.
  • the fabric care composition of the present invention comprises: 10 to 93 wt% (preferably, 25 to 90 wt%; more preferably, 40 to 75 wt%; most preferably, 50 to 65 wt%), based on the weight of the fabric care composition, of water, wherein the water is distilled and deionized.
  • the fabric care composition of the present invention further comprises a liquid carrier; wherein the liquid carrier includes an organic solvent.
  • the fabric care composition of the present invention comprises: 0.1 to 50 wt% (preferably, 0.5 to 25 wt%; more preferably, 1 to 15 wt%; most preferably, 4 to 10 wt%), based on the weight of the fabric care composition, of an organic solvent.
  • the fabric care composition of the present invention comprises: 0.1 to 50 wt% (preferably, 0.5 to 25 wt%; more preferably, 1 to 15 wt%; most preferably, 4 to 10 wt%), based on the weight of the fabric care composition, of an organic solvent, wherein the organic solvent is selected from the group consisting of ethanol; propylene glycol; glycerol; 1,3-butanediol; 1,3-hexanediol; dipropylene glycol and mixtures thereof.
  • the fabric care composition of the present invention comprises: 0.1 to 50 wt% (preferably, 0.5 to 25 wt%; more preferably, 1 to 15 wt%; most preferably, 4 to 10 wt%), based on the weight of the fabric care composition, of an organic solvent, wherein the organic solvent is a mixture of ethanol and propylene glycol.
  • the fabric care composition of the present invention is selected from the group consisting of a fabric softener and a laundry detergent. More preferably, the fabric care composition of the present invention is a laundry detergent.
  • the fabric care composition of the present invention optionally further comprises additives selected from the group consisting of hydrotropes (e.g., sodium xylene sulfonate), enzymes (e.g., protease, cellulases, lipase, amylase, mannanases), preservatives, perfumes (e.g., essential oils such as D-limonene), fluorescent whitening agents, bleach (e.g., sodium percarbonate, sodium perborate, sodium hypochlorite), dyes, additive polymers (e.g., dispersant polymers such as acrylic acid homopolymers and copolymers of acrylic acid with maleic acid, sulfonated monomer and/or ethyl acrylate) and mixtures thereof.
  • hydrotropes e.g., sodium xylene sulfonate
  • enzymes e.g., protease, cellulases, lipase, amylase, mannanases
  • the fabric care composition of the present invention further comprises: 0 to 10 wt%, based on the weight of the fabric care composition, of a hydrotrope. More preferably, the fabric care composition of the present invention further comprises: 0 to 10 wt% (preferably,
  • the fabric care composition of the present invention further comprises: 0 to 10 wt%, based on the weight of the fabric care composition, of a hydrotrope; wherein the hydrotrope includes sodium xylene sulfonate.
  • the fabric care composition is in a liquid form having a pH from 6 to 12.5; preferably at least 6.5, preferably at least 7, preferably at least 7.5; preferably no greater than 12.25, preferably no greater than 12, preferably no greater than 11.5.
  • Suitable bases to adjust the pH of the formulation include mineral bases such as sodium hydroxide (including soda ash) and potassium hydroxide; sodium bicarbonate, sodium silicate, ammonium hydroxide; and organic bases such as mono-, di- or tri-ethanolamine; or 2-dimethylamino-2-methyl- 1 -propanol (DMAMP). Mixtures of bases may be used.
  • Suitable acids to adjust the pH of the aqueous medium include mineral acid such as hydrochloric acid, phosphorus acid, and sulfuric acid; and organic acids such as acetic acid. Mixtures of acids may be used.
  • the formulation may be adjusted to a higher pH with base and then back titrated to the ranges described above with acid.
  • the present invention provides a method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition of the present invention; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry (preferably, wherein the fabric care benefit agent is not covalently bonded to the treated article of laundry).
  • the present invention provides a method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition of the present invention; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry (preferably, wherein the fabric care benefit agent is not covalently bonded to the treated article of laundry) and wherein the deposition aid polymer improves the laundry delivery efficacy of the fabric care benefit agent.
  • a plastic lined vessel was prepared a monomer mixture by adding 121.0 g of deionized water and 206.98 g of monomer consisting of ; A wt% of a 50 wt% solution of acrylamide in deionized water; B wt% of A, A-di methyl acrylamide; C wt% of a 70 wt% solution of 3-acrylamidopropyltrimethyl ammonium chloride in deionized water; and D wt% of a monoethylenically unsaturated monomer of formula with R as noted in TABLE 1. The contents of the graduated cylinder were mixed until uniform.
  • the co-feed catalyst was added to the flask at a rate of 0.16 g/min for 137 minutes. Two minutes following the start of the co-feed catalyst, the monomer mixture was added to the flask at a rate of 2.73 g/min over a period of 120 minutes while maintaining the temperature set point at 75 °C.
  • the heating mantle was removed and the flask contents were allowed to cool.
  • the chase promoter solution was added as a shot to the flask contents.
  • the chase activator solution and the chase catalyst solution were then added to the flask contents separately by syringe pump at a rate of 0.32 g/minute over 30 minutes.
  • the fabric swatches were then dried and analyzed by X-ray photoelectron spectroscopy (XPS) for quantification of surface deposited silicone.
  • XPS X-ray photoelectron spectroscopy
  • fragrance containing liquid laundry detergent formulations used in the fragrance deposition tests in the subsequent Examples were prepared having the generic formulation as described in TABLE 11 with the deposition aid polymer as noted in TABLE 12 and were prepared by standard liquid laundry formulation preparation procedures.
  • fragrance in wash deposition of the fragrance fabric care compositions was evaluated for each of the compositions of Comparative Examples CF7-CF8 and Examples F35-F42 on cotton cloth.
  • the cotton cloth was laundered with the fragrance fabric care compositions in a Terg-O-tometer under typical washing conditions (ambient wash temperatures, water hardness: 150 ppm Ca:Mg of 2:1 mole ratio, three 15 minute wash cycles and one three minute rinse) using a fragrance fabric care composition dosage of 0.5 g/L.
  • the fragrance deposition on the cotton cloth was then determined by the following procedure. First, each washed fabric sample was carefully transferred into a 1 oz vial. Hexane (20 mL) was then added to the vial. Each sample was then shaken for 1 hour on a shaker. The solution phase was then filtered from each sample through a 0.2 pm PTFE filter into an autosampler vial. The recovered solution phase was then analyzed by gas chromatograph/mass spectrometer (GC/MS) using the noted calibration standards and GC/MS conditions. The results are provided in TABLE 14.
  • GC/MS gas chromatograph/mass spectrometer
  • a 1,000 mg/L stock calibration solution was prepared by dissolving 20 mg of pure D-limonene in 20 mL of hexane. Calibration standard solutions covering the concentration range of 1 to 100 ppm D-Limonene were then prepared from the stock standard solution using hexane as the diluent.

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Abstract

A fabric care composition is provided, comprising: a fabric care benefit agent; and a deposition aid polymer comprising: (a) 47 to 97.5 wt%, based on weight of deposition aid polymer, of structural units of monomer selected from the group consisting of acrylamide and N,N-dimethyl acrylamide monomer; and (b) 2.5 to 53 wt%, based on weight of deposition aid polymer, of structural units of monoethylenically unsaturated monocationic monomer of formula (I) (I) wherein X is selected from the group consisting of -O- and -N-; R1 is a -C1-4 alkylene; R2, R3 and R4 are each independently selected from the group consisting of -H and a C1-30 alkyl group; wherein the deposition aid polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer, < 40 mol% of structural units of cationic monomer and < 1 mol% of quaternized vinylimidazole.

Description

FABRIC CARF, COMPOSITION
[0001] The present invention relates to a fabric care composition. In particular, the present invention relates to a fabric care composition containing: a fabric care benefit agent; and a deposition aid polymer comprising: (a) 47 to 97.5 wt%, based on weight of the deposition aid polymer, of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; and (b) 2.5 to 53 wt%, based on weight of the deposition aid polymer, of structural units of monoethylenically unsaturated monocationic monomer of formula
(I)
Figure imgf000002_0001
wherein X is selected from the group consisting of an -O- and a -N-; R1 is a -CM alkylene; R2,
R3 and R4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group; wherein the deposition aid polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer, < 40 mol% of structural units of cationic monomer and < 1 mol% of quatemized vinylimidazole.
[0002] Cleaning of fabrics via laundering is useful for removing stains, odors and soils. Notwithstanding, the laundering process tends to induce mechanical and chemical damage to the textiles which results in wrinkles, color fading, pills, fuzz, dye transfer, stiffness, fabric wear, fiber deterioration and other issues consumer’s find undesirable. Accordingly, laundry products (e.g., detergents, fabric softeners) are frequently formulated to include fabric care benefit agents to reduce some of the undesirable laundering issues.
[0003] Many fabric care benefit agents have been found to provide only limited benefits due to inadequate delivery efficiency to fabrics during the laundering process. The affinity between the fabric care benefit agents and the fabrics is typically impaired by a lack of natural attractive forces between the fabric care benefit agents and the fabrics. This derives from most fabric care benefit agents being anionic or nonionic to avoid undesirable interaction with anionic surfactants typically contained in the laundry product formulations which may lead to cleaning negatives. Given that most fibers used in fabric (e.g., cotton, wool, silk and nylon) carry a slightly anionic charge in the laundry solution, there exist repulsive forces between the fabric care benefit agents and the fabric leading to the noted poor delivery efficiency.
[0004] One approach for enhancing the delivery of a fabric care benefit agent is described by Wang et al in U.S. Patent No. 7,056,879. Wang et al disclose a laundry product composition comprising a stable mixture of: a) from about 0.1% to about 10%, by weight of the composition, of at least one water insoluble silicone derivative fabric care benefit agent, wherein the silicone derivative fabric care benefit agent has a particle size of from about 1 nm to 100 microns; b) from about 0.01% to about 5%, by weight of the composition, of at least one cationic cellulose delivery enhancing agent; c) from about 1% to about 80%, by weight of the composition, of a surfactant; d) from about 3.96% to about 80%, by weight of the composition, of a builder; and e) from about 0.001% to about 5%, by weight of the composition, of a compatible enzyme selected from lipase enzymes, protease enzymes or mixtures thereof; wherein the ratio of the delivery enhancing agent to the fabric care benefit agent is from about 1:50 to about 1:1.
[0005] Notwithstanding, there remains a continuing need for fabric care compositions containing fabric care benefit agents and a deposition aid for improving the delivery efficiency of the fabric care benefit agent.
[0006] The present invention provides a fabric care composition, comprising: 0.1 to 15 wt%, based on weight of the fabric care composition, of a fabric care benefit agent; and > 2 wt% to 15 wt%, based on weight of the fabric care composition, of a deposition aid polymer comprising:
(a) 47 to 97.5 wt%, based on weight of the deposition aid polymer, of structural units of monomer selected from the group consisting of acrylamide and /V,/V-di methyl acrylamide monomer; and (b) 2.5 to 53 wt%, based on weight of the deposition aid polymer, of structural units of monoethylenically unsaturated monocationic monomer of formula (I)
Figure imgf000003_0001
(D wherein X is selected from the group consisting of an -O- and a -N-; wherein R1 is a -Ci-4 alkylene; wherein R2, R3 and R4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group; wherein the deposition aid polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer; wherein the deposition aid polymer comprises < 40 mol% of structural units of cationic monomer; and wherein the deposition aid polymer comprises < 1 mol% of quaternized vinylimidazole.
[0007] The present invention provides a method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition according to the present invention; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry.
DETAILED DESCRIPTION
[0008] We have surprisingly found that a fabric care composition comprising: 0.1 to 15 wt% of a fabric care benefit agent; and > 2 wt% to 15 wt% of a deposition aid polymer comprising: (a) 47 to 97.5 wt% of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; and (b) 2.5 to 53 wt% of structural units of monoethylenically unsaturated monocationic monomer of formula (I)
Figure imgf000004_0001
wherein X is selected from the group consisting of an -O- and a -N-; wherein R1 is a -Ci-4 alkylene; wherein R2, R3 and R4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group; wherein the cationic polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer; wherein the cationic polymer comprises < 40 mol% of structural units of cationic monomer; and wherein the cationic polymer comprises < 1 mol% of quaternized vinylimidazole; provides fabric care benefit agent deposition on fabrics (particularly cotton fabrics).
[0009] Unless otherwise indicated, ratios, percentages, parts, and the like are by weight. Weight percentages (or wt%) in the composition are percentages of dry weight, i.e., excluding any water that may be present in the composition.
[0010] As used herein, unless otherwise indicated, the terms "weight average molecular weight" and "Mw" are used interchangeably to refer to the weight average molecular weight as measured in a conventional manner with gel permeation chromatography (GPC) and conventional standards, such as polystyrene standards. GPC techniques are discussed in detail in Modem Size Exclusion Liquid Chromatography: Practice of Gel Permeation and Gel Filtration Chromatography, Second Edition, Striegel, et al., John Wiley & Sons, 2009. Weight average molecular weights are reported herein in units of Daltons.
[0011] The term “structural units” as used herein and in the appended claims refers to the remnant of the indicated monomer; thus a structural unit of acrylamide monomer is illustrated:
Figure imgf000005_0001
[0012] The term “structural units” as used herein and in the appended claims refers to the remnant of the indicated monomer; thus a structural unit of /V,/V-dimethyl acrylamide monomer is illustrated:
Figure imgf000005_0002
[0013] Preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent (preferably, a silicone); > 2 wt% to 15 wt% (preferably, 2.1 to 10 wt%; more preferably, 2.2 to 7.5; most preferably, 2.25 to 5 wt%), based on weight of the fabric care composition, of a deposition aid polymer comprising: (a) 47 to 97.5 wt% (preferably, > 50 to 95 wt%; more preferably; 55 to 94 wt%; most preferably, 59 to 92.5 wt%) of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; (preferably, wherein > 50 wt% (preferably, 60 to 100 wt%; more preferably, 65 to 100 wt%) of the structural units of monomers (a) are /V,/V-dimethyl acrylamide monomer) and (b) 2.5 to 53 wt% (preferably, 5 to < 50 wt%; more preferably; 6 to 45 wt%; most preferably, 7.5 to 41 wt%) of structural units of monoethylenically unsaturated monocationic monomer of formula (I)
Figure imgf000006_0001
wherein X is selected from the group consisting of an -O- and a -N-; wherein R1 is a -Ci-4 alkylene; wherein R2, R3 and R4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group (preferably, R2 and R3 are a -CH3 group and R4 is a Ci-30 alkyl group; more preferably, R2 and R3 are a -CH3 group and R4 is a Ci-12 alkyl group; most preferably, R2, R3 and R4 are each a -CH3 group); wherein the cationic polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer; wherein the cationic polymer comprises < 40 mol% of structural units of cationic monomer; and wherein the cationic polymer comprises < 1 mol% of quaternized vinylimidazole.
[0014] Preferably, the fabric care composition of the present invention, comprises: a fabric care benefit agent. More preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent. Most preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent is selected from the group consisting of a softening agent, a fragrance and mixtures thereof.
[0015] Preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent includes a fabric softening silicone; wherein the fabric softening silicone is selected from the group consisting of a nitrogen free silicone polymer, an anionic silicone polymer and mixtures thereof. More preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on the weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent is a fabric softening silicone. Most preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (preferably, 0.1 to 10 wt%; more preferably, 0.1 to 8 wt%; most preferably, 2.5 to 7.5 wt%), based on the weight of the fabric care composition, of a fabric softening silicone; wherein the fabric softening silicone is selected from the group consisting of a nitrogen free silicone polymer, an anionic silicone polymer and mixtures thereof; and wherein the fabric softening silicone is in the form of an emulsion.
[0016] Preferred nitrogen free silicone polymers include nonionic nitrogen free silicone polymers, zwitterionic nitrogen free silicone polymers, amphoteric nitrogen free silicone polymers and mixtures thereof. Preferred nitrogen free silicone polymers have formula (III),
(IV) or (V) (preferably, formula (III) or (V)):
Figure imgf000007_0001
wherein each R1 is independently selected from the group consisting of a Ci-20 alkyl group, a C2-20 alkenyl group, a C6-20 aryl group, a C7-20 arylalkyl group, a C7-20 alkylaryl group, a C7-20 arylalkenyl group and a C7-20 alkenylaryl group (preferably, wherein R1 is selected from the group consisting of a methyl group, a phenyl group and a phenylalkyl group); wherein each R2 is independently selected from the group consisting of a -OH group, a Ci-20 alkyl group, a C2-20 alkenyl group, a C6-20 aryl group, a C7-20 arylalkyl group, a C7-20 alkylaryl group, a C7-20 arylalkenyl group, a C7-20 alkenylaryl group and a poly(ethyleneoxide/propyleneoxide) copolymer group having formula (VI)
-(CH2)„0(C2H40)ra(C3H60)pR3 (VI) wherein each R3 is independently selected from the group consisting of a hydrogen, a CM alkyl group and an acetyl group; wherein a has a value such that the viscosity of the nitrogen free silicone polymer according to formula (III) or formula (V) is 2 to 50,000,000 centistokes at 20 °C (preferably, 10,000 to 10,000,000 centistokes at 20 °C); wherein b is 1 to 50 (preferably, 1 to 30); wherein c is 1 to 50 (preferably, 1 to 30); wherein n is 1 to 50 (preferably, 3 to 5); wherein m is 1 to 100 (preferably, 6 to 100); wherein p is 0 to 14 (preferably, 0 to 3); wherein m + p is 5 to 150 (preferably, 7 to 100) (preferably, wherein R2 is selected from the group consisting of a -OH group, methyl group, a phenyl group, a phenylalkyl group and a group having formula (VI)). Most preferred nitrogen free silicone polymers have formula (V), wherein R1 is a methyl and wherein a has a value such that the viscosity of the nitrogen free silicone polymer is 60,000 to 5,000,000 centistokes at 20 °C.
[0017] Preferred nitrogen free silicone polymers include anionic silicone polymers. Anionic silicone polymers are described, for example, in The Encyclopedia of Polymer Science, volume 11, p. 765. Examples of anionic silicone polymers include silicones that incorporate carboxylic, sulphate, sulphonic, phosphate and/or phosphonate functionality. Preferred anionic silicone polymers incorporated carboxyl functionality (e.g., carboxylic acid or carboxylate anion). Preferred anionic silicone polymers have a weight average molecular weight of 1,000 to 100,000 Daltons (preferably, 2,000 to 50,000 Daltons; more preferably, 5,000 to 50,000 Daltons; most preferably, 10,000 to 50,000 Daltons). Preferably, the anionic silicone polymer has an anionic group content of at least 1 mol% (more preferably, at least 2 mol%). Preferably, the anionic groups on the anionic silicone polymer are not located on the terminal position of the longest linear silicone chain. Preferred anionic silicone polymers have anionic groups at a midchain position on the silicone. More preferred anionic silicone polymers have anionic groups located at least 5 silicone atoms from a terminal position on the longest linear silicone chain in the anionic silicone polymer.
[0018] Preferably, the fabric care composition of the present invention, comprises: 0.1 to 15 wt% (more preferably, 0.5 to 8 wt%; still more preferably, 0.75 to 7.5 wt%; most preferably, 0.8 to 2 wt%), based on weight of the fabric care composition, of a fabric care benefit agent; wherein the fabric care benefit agent includes a fragrance. More preferably, the fabric care composition of the present invention further comprises: 0.1 to 15 wt% (more preferably, 0.5 to 8 wt%; still more preferably, 0.75 to 7.5 wt%; most preferably, 0.8 to 2 wt%), based on the weight of the fabric care composition, of a fragrance; wherein the fragrance includes an essential oil. Most preferably, the fabric care composition of the present invention further comprises: 0.1 to 15 wt% (more preferably, 0.5 to 8 wt%; still more preferably, 0.75 to 7.5 wt%; most preferably, 0.8 to 2 wt%), based on the weight of the fabric care composition, of a fragrance; wherein the fragrance includes esters (e.g., geranyl acetate); terpenes (e.g., geranol, citronellol, linalool, limonene) and aromatic compounds (e.g., vanilla, eugenol).
[0019] Preferably, the fabric care composition of the present invention, comprises: > 2 wt% to 15 wt% (preferably, 2.1 to 10 wt%; more preferably, 2.2 to 7.5; most preferably, 2.25 to 5 wt%), based on weight of the fabric care composition, of deposition aid polymer. More preferably, the fabric care composition of the present invention, comprises: > 2 wt% to 15 wt% (preferably, 2.1 to 10 wt%; more preferably, 2.2 to 7.5; most preferably, 2.25 to 5 wt%), based on weight of the fabric care composition, of deposition aid polymer; wherein the deposition aid polymer comprises: (a) 47 to 97.5 wt% (preferably, > 50 to 95 wt%; more preferably; 55 to 94 wt%; most preferably, 59 to 92.5 wt%) of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; (preferably, wherein > 50 wt% (preferably, 60 to 100 wt%; more preferably, 65 to 100 wt%) of the structural units of monomers (a) are /V,/V-dimethyl acrylamide monomer) and (b) 2.5 to 53 wt% (preferably, 5 to < 50 wt%; more preferably; 6 to 45 wt%; most preferably, 7.5 to 41 wt%) of structural units of monoethylenically unsaturated monocationic monomer of formula (I)
Figure imgf000009_0001
wherein X is selected from the group consisting of an -O- and a -N-; wherein R1 is a -Ci-4 alkylene; wherein R2, R3 and R4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group (preferably, R2 and R3 are a -CH3 group and R4 is a Ci-30 alkyl group; more preferably, R2 and R3 are a -CH3 group and R4 is a Ci-12 alkyl group; most preferably, R2, R3 and R4 are each a -CH3 group); wherein the deposition aid polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer; wherein the cationic polymer comprises < 40 mol% of structural units of cationic monomer; and wherein the cationic polymer comprises < 1 mol% of quaternized vinylimidazole.
[0020] Preferably, the deposition aid polymer used in the fabric care composition of the present invention has a weight average molecular weight of < 500,000 g/mol (preferably, < 400,000 g/mol; more preferably, < 375,000 g/mol). Preferably, the deposition aid polymer used in the fabric care composition of the present invention has a weight average molecular weight of > 100,000 /mol (preferably, > 200,000 g/mol; more preferably, > 250,000 g/mol). Preferably, the deposition aid polymer used in the fabric care composition of the present invention has a weight average molecular weight of 100,000 to 500,000 g/mol (preferably, 200,000 to 400,000 g/mol; more preferably, 250,000 to 375,000 g/mol).
[0021] Preferably, the deposition aid polymer comprises < 10 mol% (preferably, 0 to 5 mol%; more preferably, 0 to 1 mol%; most preferably, 0 to < detectable limit) of structural units of multiethylenically unsaturated cationic monomer.
[0022] Preferably, the deposition aid polymer comprises < 40 mol% of structural units of cationic monomer.
[0023] Preferably, the deposition aid polymer comprises < 1 mol% (preferably, 0 to 0.5 mol%; more preferably, 0 to 0.1 mol%; most preferably, 0 to < detectable limit) of structural units of quaternized vinylimidazole.
[0024] Preferably, the deposition aid polymer comprises < 30 wt%, based on weight of the deposition aid polymer, of structural units of ester containing monomers.
[0025] Preferably, the deposition aid polymer comprises < 1 mol% (preferably, 0 to 0.5 mol%; more preferably, 0 to 0.1 mol%; most preferably, 0 to < detectable limit) of structural units of ethylenically unsaturated monomers containing a moiety selected from the group consisting of an epoxy, an anhydride, an imide, a lactone, a carboxylic acid, a sulfonic acid and an isocyanate. [0026] Preferably, the deposition aid polymer comprises < 0.1 mol% (preferably, 0 to < 0.01 mol%; more preferably, 0 to < 0.001 mol%; most preferably, 0 to < detectable limit) of structural units of a reactive siloxane, wherein the structural units of a reactive siloxane include Si-0 moieties. More preferably, the deposition aid polymer comprises < 0.1 mol% (preferably, 0 to < 0.01 mol%; more preferably, 0 to < 0.001 mol%; most preferably, 0 to < detectable limit) of structural units of a reactive siloxane, wherein the structural units of a reactive siloxane include Si-0 moieties; wherein the reactive siloxane is a polymer which may comprise one or more functional moieties selected from the group consisting of amino, amido, alkoxy, hydroxy, polyether, carboxy, hydride, mercapto, sulfate phosphate, and/or quaternary ammonium moieties — these moieties may be attached directly to the siloxane backbone through a bivalent alkylene radical, (i.e., pendant) or may be part of the backbone.
[0027] Preferably, the fabric care composition of the present invention, further comprises: a cleaning surfactant. More preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant. Still more preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant; wherein the cleaning surfactant is selected from the group consisting of anionic surfactants, nonionic surfactants, cationic surfactants, amphoteric surfactants and mixtures thereof. Yet still more preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant; wherein the cleaning surfactant is selected from the group consisting of a mixture including an anionic surfactant and a non-ionic surfactant. Most preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 5 to 40 wt%; still more preferably, 7.5 to 30 wt%; most preferably, 10 to 25 wt%), based on the weight of the fabric care composition, of a cleaning surfactant; wherein the cleaning surfactant includes a mixture of a linear alkyl benzene sulfonate, a sodium lauryl ethoxysulfate and a nonionic alcohol ethoxy late.
[0028] Anionic surfactants include alkyl sulfates, alkyl benzene sulfates, alkyl benzene sulfonic acids, alkyl benzene sulfonates, alkyl polyethoxy sulfates, alkoxylated alcohols, paraffin sulfonic acids, paraffin sulfonates, olefin sulfonic acids, olefin sulfonates, alpha- sulfocarboxylates, esters of alpha-sulfocarboxylates, alkyl glyceryl ether sulfonic acids, alkyl glyceryl ether sulfonates, sulfates of fatty acids, sulfonates of fatty acids, sulfonates of fatty acid esters, alkyl phenols, alkyl phenol polyethoxy ether sulfates, 2-acryloxy-alkane-l -sulfonic acid, 2-acryloxy-alkane-l -sulfonate, beta- alky loxy alkane sulfonic acid, beta- alky loxy alkane sulfonate, amine oxides and mixtures thereof. Preferred anionic surfactants include Cs-20 alkyl benzene sulfates, Cs-20 alkyl benzene sulfonic acid, Cs-20 alkyl benzene sulfonate, paraffin sulfonic acid, paraffin sulfonate, alpha-olefin sulfonic acid, alpha-olefin sulfonate, alkoxylated alcohols, Cs-20 alkyl phenols, amine oxides, sulfonates of fatty acids, sulfonates of fatty acid esters and mixtures thereof. More preferred anionic surfactants include C12-16 alkyl benzene sulfonic acid, C12-16 alkyl benzene sulfonate, C12-18 paraffin- sulfonic acid, C12-18 paraffin-sulfonate and mixtures thereof.
[0029] Non-ionic surfactants include secondary alcohol ethoxylates, ethoxylated 2-ethylhexanol, ethoxylated seed oils, butanol caped ethoxylated 2-ethylhexanol and mixtures thereof. Preferred non-ionic surfactants include secondary alcohol ethoxylates.
[0030] Cationic surfactants include quaternary surface active compounds. Preferred cationic surfactants include quaternary surface active compounds having at least one of an ammonium group, a sulfonium group, a phosphonium group, an iodinium group and an arsonium group. More preferred cationic surfactants include at least one of a dialkyldimethylammonium chloride and alkyl dimethyl benzyl ammonium chloride. Still more preferred cationic surfactants include at least one of C16-18 dialkyldimethylammonium chloride, a Cs-is alkyl dimethyl benzyl ammonium chloride di-tallow dimethyl ammonium chloride and di-tallow dimethyl ammonium chloride. Most preferred cationic surfactant includes di-tallow dimethyl ammonium chloride. [0031] Amphoteric surfactants include betaines, amine oxides, alkylamidoalkylamines, alkyl- substituted amine oxides, acylated amino acids, derivatives of aliphatic quaternary ammonium compounds and mixtures thereof. Preferred amphoteric surfactants include derivatives of aliphatic quaternary ammonium compounds. More preferred amphoteric surfactants include derivatives of aliphatic quaternary ammonium compounds with a long chain group having 8 to 18 carbon atoms. Still more preferred amphoteric surfactants include at least one of C 12-14 alkyldimethylamine oxide, 3-(N,N-dimethyl-N-hexadecyl-ammonio)propane- 1-sulfonate,
3-(N,N-dimethyl-N-hexadecylammonio)-2-hydroxypropane-l -sulfonate. Most preferred amphoteric surfactants include at least one of C 12-14 alkyldimethylamine oxide.
[0032] Preferably, the fabric care composition of the present invention, further comprises: a builder. More preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 1 to 50 wt%; still more preferably, 2.5 to 25 wt%; most preferably, 3 to 7 wt%), based on weight of the fabric care composition, of a builder. Still more preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 1 to 50 wt%; still more preferably, 2.5 to 25 wt%; most preferably, 3 to 7 wt%), based on weight of the fabric care composition, of a builder; wherein the builder; wherein the builder is selected from the group consisting of inorganic builders (e.g., tripolyphosphate, pyrophosphate); alkali metal carbonates; borates; bicarbonates; hydroxides; zeolites; citrates (e.g., sodium citrate); polycarboxylates; monocarboxylates; aminotrismethylenephosphonic acid; salts of aminotrismethylenephosphonic acid; hydroxyethanediphosphonic acid; salts of hydroxyethanediphosphonic acid; diethylenetriaminepenta(methylenephosphonic acid); salts of diethylenetriaminepenta(methylenephosphonic acid) ; ethylenediaminetetraethylene-phosphonic acid; salts of ethylenediaminetetraethylene-phosphonic acid; oligomeric phosphonates; polymeric phosphonates; mixtures thereof. Most preferably, the fabric care composition of the present invention, comprises: 0 to 60 wt% (more preferably, 1 to 50 wt%; still more preferably, 2.5 to 25 wt%; most preferably, 3 to 7 wt%), based on weight of the fabric care composition, of a builder; wherein the builder includes a citrate (preferably, sodium citrate).
[0033] Preferably, the fabric care composition of the present invention, further comprises a liquid carrier. More preferably, the fabric care composition of the present invention, comprises 0 to 99.8 wt% (preferably, 25 to 93 wt%; more preferably, 40 to 88.25 wt%; yet more preferably, 50 to 89.9 wt%; most preferably, 60 to 82.5 wt%), based on weight of the fabric care composition, of a liquid carrier. Still more preferably, the fabric care composition of the present invention, comprises 0 to 99.8 wt% (preferably, 25 to 93 wt%; more preferably, 40 to 88.25 wt%; yet more preferably, 50 to 89.9 wt%; most preferably, 60 to 82.5 wt%), based on weight of the fabric care composition, of a liquid carrier; wherein the liquid carrier comprises water. Most preferably, the fabric care composition of the present invention, comprises 0 to 99.8 wt% (preferably, 25 to 93 wt%; more preferably, 40 to 88.25 wt%; yet more preferably, 50 to 89.9 wt%; most preferably, 60 to 82.5 wt%), based on weight of the fabric care composition, of a liquid carrier; wherein the liquid carrier comprises a mixture of water and an organic solvent. [0034] Preferably, the fabric care composition of the present invention, further comprises a liquid carrier; wherein the liquid carrier includes water. More preferably, the fabric care composition of the present invention, comprises: 10 to 93 wt% (preferably, 25 to 90 wt%; more preferably, 40 to 75 wt%; most preferably, 50 to 65 wt%), based on the weight of the fabric care composition, of water. Still more preferable, the fabric care composition of the present invention, comprises: 10 to 93 wt% (preferably, 25 to 90 wt%; more preferably, 40 to 75 wt%; most preferably, 50 to 65 wt%), based on the weight of the fabric care composition, of water, wherein the water is at least one of distilled water and deionized water. Most preferably, the fabric care composition of the present invention, comprises: 10 to 93 wt% (preferably, 25 to 90 wt%; more preferably, 40 to 75 wt%; most preferably, 50 to 65 wt%), based on the weight of the fabric care composition, of water, wherein the water is distilled and deionized.
[0035] Preferably, the fabric care composition of the present invention, further comprises a liquid carrier; wherein the liquid carrier includes an organic solvent. More preferably, the fabric care composition of the present invention, comprises: 0.1 to 50 wt% (preferably, 0.5 to 25 wt%; more preferably, 1 to 15 wt%; most preferably, 4 to 10 wt%), based on the weight of the fabric care composition, of an organic solvent. Still more preferable, the fabric care composition of the present invention, comprises: 0.1 to 50 wt% (preferably, 0.5 to 25 wt%; more preferably, 1 to 15 wt%; most preferably, 4 to 10 wt%), based on the weight of the fabric care composition, of an organic solvent, wherein the organic solvent is selected from the group consisting of ethanol; propylene glycol; glycerol; 1,3-butanediol; 1,3-hexanediol; dipropylene glycol and mixtures thereof. Most preferably, the fabric care composition of the present invention, comprises: 0.1 to 50 wt% (preferably, 0.5 to 25 wt%; more preferably, 1 to 15 wt%; most preferably, 4 to 10 wt%), based on the weight of the fabric care composition, of an organic solvent, wherein the organic solvent is a mixture of ethanol and propylene glycol.
[0036] Preferably, the fabric care composition of the present invention is selected from the group consisting of a fabric softener and a laundry detergent. More preferably, the fabric care composition of the present invention is a laundry detergent.
[0037] Preferably, the fabric care composition of the present invention optionally further comprises additives selected from the group consisting of hydrotropes (e.g., sodium xylene sulfonate), enzymes (e.g., protease, cellulases, lipase, amylase, mannanases), preservatives, perfumes (e.g., essential oils such as D-limonene), fluorescent whitening agents, bleach (e.g., sodium percarbonate, sodium perborate, sodium hypochlorite), dyes, additive polymers (e.g., dispersant polymers such as acrylic acid homopolymers and copolymers of acrylic acid with maleic acid, sulfonated monomer and/or ethyl acrylate) and mixtures thereof. [0038] Preferably, the fabric care composition of the present invention further comprises: 0 to 10 wt%, based on the weight of the fabric care composition, of a hydrotrope. More preferably, the fabric care composition of the present invention further comprises: 0 to 10 wt% (preferably,
1 to 10 wt%; more preferably, 2 to 8 wt%; most preferably, 5 to 7.5 wt%), based on the weight of the fabric care composition, of a hydrotrope; wherein the hydrotrope is selected from the group consisting of calcium, sodium, potassium, ammonium and alkanol ammonium salts of xylene sulfonic acid, toluene sulfonic acid, ethylbenzene sulfonic acid and cumene sulfonic acid; salts thereof and mixtures thereof. Most preferably, the fabric care composition of the present invention further comprises: 0 to 10 wt%, based on the weight of the fabric care composition, of a hydrotrope; wherein the hydrotrope includes sodium xylene sulfonate.
[0039] Preferably, the fabric care composition is in a liquid form having a pH from 6 to 12.5; preferably at least 6.5, preferably at least 7, preferably at least 7.5; preferably no greater than 12.25, preferably no greater than 12, preferably no greater than 11.5. Suitable bases to adjust the pH of the formulation include mineral bases such as sodium hydroxide (including soda ash) and potassium hydroxide; sodium bicarbonate, sodium silicate, ammonium hydroxide; and organic bases such as mono-, di- or tri-ethanolamine; or 2-dimethylamino-2-methyl- 1 -propanol (DMAMP). Mixtures of bases may be used. Suitable acids to adjust the pH of the aqueous medium include mineral acid such as hydrochloric acid, phosphorus acid, and sulfuric acid; and organic acids such as acetic acid. Mixtures of acids may be used. The formulation may be adjusted to a higher pH with base and then back titrated to the ranges described above with acid. [0040] The present invention provides a method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition of the present invention; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry (preferably, wherein the fabric care benefit agent is not covalently bonded to the treated article of laundry). More preferably, the present invention provides a method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition of the present invention; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry (preferably, wherein the fabric care benefit agent is not covalently bonded to the treated article of laundry) and wherein the deposition aid polymer improves the laundry delivery efficacy of the fabric care benefit agent.
[0041] Some embodiments of the present invention will now be described in detail in the following Examples.
Comparative Examples SC1-SC4 and Examples S1-S30: Synthesis of Cationic Polymer [0042] A cationic polymer was prepared in a two-liter round bottom flask equipped with a mechanical overhead stirrer, a heating mantle, a thermocouple, a condenser and inlets for addition of monomer, initiator and nitrogen. The flask was charged with 223 g of deionized water. The stirrer was energized, a nitrogen purge through the vapor space in the flask was started and the temperature set point for the heating mantel was set at 75 °C.
[0043] In a plastic lined vessel was prepared a monomer mixture by adding 121.0 g of deionized water and 206.98 g of monomer consisting of ; A wt% of a 50 wt% solution of acrylamide in deionized water; B wt% of A, A-di methyl acrylamide; C wt% of a 70 wt% solution of 3-acrylamidopropyltrimethyl ammonium chloride in deionized water; and D wt% of a monoethylenically unsaturated monomer of formula
Figure imgf000016_0001
with R as noted in TABLE 1. The contents of the graduated cylinder were mixed until uniform. [0044] In a separate container was prepared a co-feed catalyst by adding 2.29 g of 2,2’-azobis(2-methylpropionamidine)dihydrochloride (Vazo™ 56 WSP available from The Chemours Company) in 19.63 g of deionized water.
[0045] When the contents of the flask reached 75 °C, the co-feed catalyst was added to the flask at a rate of 0.16 g/min for 137 minutes. Two minutes following the start of the co-feed catalyst, the monomer mixture was added to the flask at a rate of 2.73 g/min over a period of 120 minutes while maintaining the temperature set point at 75 °C.
[0046] Following completion of the feeds to the flask, 11.0 g of deionized water was added as a rinse and the flask contents were held for 30 minutes at 75 °C. During this hold, a chase promoter containing 4.3 g of deionized water, 0.003 g iron sulfate heptahydrate and 0.003 g of versene was prepared. A chase activator solution of 0.64 g of isoascorbic acid dissolved in 8.91 g of deionized water was prepared. A chase catalyst solution of 1 g of 70 wt% /<? /7-butyl hydroperoxide in 8.6 g of deionized water was prepared.
[0047] Following the 30 minute hold, the heating mantle was removed and the flask contents were allowed to cool. When the flask contents reached 70 °C, the chase promoter solution was added as a shot to the flask contents. The chase activator solution and the chase catalyst solution were then added to the flask contents separately by syringe pump at a rate of 0.32 g/minute over 30 minutes.
[0048] When cooled to 25 °C, the product polymer was recovered.
TABLE 1
Figure imgf000018_0001
Comparative Example FC1-FC5 and Examples F1-F30: Liquid Laundry Detergent [0049] The liquid laundry detergent formulations used in the deposition tests in the subsequent Examples were prepared having the generic formulation as described in TABLE 2 with the deposition aid polymer as noted in TABLE 3 and were prepared by standard liquid laundry formulation preparation procedures.
TABLE 2
Figure imgf000019_0001
TABLE 3
Figure imgf000020_0001
Formulation Stability
[0050] The formulation stability was observed for the liquid laundry detergent formulations of Comparative Examples FC1-FC5 and Examples F1-F30. The results of the observations are reported in TABLE 4. Classification — Good — means that no visible phase incompatibility was visually observed. Classification — Fair — means the formulation was observed to be hazy, but with no distinct phase separation. Classification — Poor — means that a distinct phase separation was observed.
TABLE 4
Figure imgf000021_0001
Silicone Deposition
[0051] The silicone deposition for the liquid laundry detergent formulations were assessed in a Terg-o-tometer Model TOM-52-A available from SR Lab Instruments (6 x 1 L wells) agitated at 90 cycles per minute with the conditions noted in TABLE 5.
TABLE 5
Figure imgf000022_0001
[0052] The fabric swatches were then dried and analyzed by X-ray photoelectron spectroscopy (XPS) for quantification of surface deposited silicone. The XPS results for Si, wt% deposition are provided in TABLE 6.
TABLE 6
Figure imgf000023_0001
Comparative Example FC6 and Examples F31-F34: Liquid Laundry Detergent [0053] The liquid laundry detergent formulations used in the deposition tests in the subsequent Examples were prepared having the generic formulation as described in TABLE7 with the deposition aid polymer and silicone loading as noted in TABLE8 and were prepared by standard liquid laundry formulation preparation procedures.
TABLE7
Figure imgf000024_0001
TABLE8
Figure imgf000024_0002
Silicone Deposition
[0054] The silicone deposition for the liquid laundry detergent formulations were assessed in a Terg-o-tometer Model TOM-52-A available from SR Lab Instruments (6 x 1 L wells) agitated at 90 cycles per minute with the conditions noted above in TABLE9.
TABLE9
Figure imgf000024_0003
[0055] The fabric swatches were then dried and analyzed by X-ray photoelectron spectroscopy (XPS) for quantification of surface deposited silicone. The XPS results for Si, wt% deposition are provided in TABLE 10.
TABLE 10
Figure imgf000025_0001
Comparative Examples CF7-CF8 and Examples F35-F42: Fragrance Containing Laundry Detergent Base Formulation
[0056] The fragrance containing liquid laundry detergent formulations used in the fragrance deposition tests in the subsequent Examples were prepared having the generic formulation as described in TABLE 11 with the deposition aid polymer as noted in TABLE 12 and were prepared by standard liquid laundry formulation preparation procedures.
TABLE 11
Figure imgf000025_0002
TABLE 12
Figure imgf000026_0001
Fragrance In- Wash Deposition
[0057] The fragrance in wash deposition of the fragrance fabric care compositions was evaluated for each of the compositions of Comparative Examples CF7-CF8 and Examples F35-F42 on cotton cloth. The cotton cloth was laundered with the fragrance fabric care compositions in a Terg-O-tometer under typical washing conditions (ambient wash temperatures, water hardness: 150 ppm Ca:Mg of 2:1 mole ratio, three 15 minute wash cycles and one three minute rinse) using a fragrance fabric care composition dosage of 0.5 g/L.
[0058] The fragrance deposition on the cotton cloth was then determined by the following procedure. First, each washed fabric sample was carefully transferred into a 1 oz vial. Hexane (20 mL) was then added to the vial. Each sample was then shaken for 1 hour on a shaker. The solution phase was then filtered from each sample through a 0.2 pm PTFE filter into an autosampler vial. The recovered solution phase was then analyzed by gas chromatograph/mass spectrometer (GC/MS) using the noted calibration standards and GC/MS conditions. The results are provided in TABLE 14.
[0059] A 1,000 mg/L stock calibration solution was prepared by dissolving 20 mg of pure D-limonene in 20 mL of hexane. Calibration standard solutions covering the concentration range of 1 to 100 ppm D-Limonene were then prepared from the stock standard solution using hexane as the diluent.
[0060] The GC/MS conditions used are provided in TABLE 13. TABLE 13
Figure imgf000027_0001
TABLE 14
Figure imgf000027_0002

Claims

We claim:
1. A fabric care composition, comprising:
0.1 to 15 wt%, based on weight of the fabric care composition, of a fabric care benefit agent; and
> 2 wt% to 15 wt%, based on weight of the fabric care composition, of a deposition aid polymer comprising
(a) 47 to 97.5 wt%, based on weight of the deposition aid polymer, of structural units of monomer selected from the group consisting of acrylamide and /V,/V-dimethyl acrylamide monomer; and
(b) 2.5 to 53 wt%, based on weight of the deposition aid polymer, of structural units of monoethylenically unsaturated monocationic monomer of formula (I)
Figure imgf000028_0001
wherein X is selected from the group consisting of an -O- and a -N-; wherein R1 is a -Ci-4 alkylene; wherein R2, R3 and R4 are each independently selected from the group consisting of a -H and a Ci-30 alkyl group; wherein the deposition aid polymer comprises < 10 mol% of structural units of multiethylenically unsaturated cationic monomer; wherein the deposition aid polymer comprises < 40 mol% of structural units of cationic monomer; and wherein the deposition aid polymer comprises < 1 mol% of quatemized vinylimidazole.
2. The fabric care composition of claim 1, further comprising a cleaning surfactant.
3. The fabric care composition of claim 2, further comprising a builder.
4. The fabric care composition of claim 3, further comprising a liquid carrier.
5. The fabric care composition of claim 4, wherein the fabric care benefit agent is a fabric softening silicone selected from the group consisting of nitrogen free silicone polymers and anionic silicone polymers.
6. The fabric care composition of claim 5, wherein the fabric care composition is a laundry detergent.
7. The fabric care composition of claim 6, wherein the cleaning surfactant is selected from the group consisting of anionic surfactants, nonionic surfactants, cationic surfactants, amphoteric surfactants and mixtures thereof.
8. The laundry detergent of claim 7, wherein the cleaning surfactant includes a mixture of a linear alkyl benzene sulfonate, a sodium lauryl ethoxysulfate and a nonionic alcohol ethoxy late.
9. A method of treating an article of laundry, comprising: providing an article of laundry; providing a fabric care composition according to claim 1; providing a bath water; and applying the bath water and the fabric care composition to the article of laundry to provide a treated article of laundry; wherein the fabric care benefit agent is associated with the treated article of laundry.
10. The method of claim 9, wherein the fabric care composition is according to claim
8.
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