WO2009095823A1 - Fabric softening laundry detergent - Google Patents
Fabric softening laundry detergent Download PDFInfo
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- WO2009095823A1 WO2009095823A1 PCT/IB2009/050251 IB2009050251W WO2009095823A1 WO 2009095823 A1 WO2009095823 A1 WO 2009095823A1 IB 2009050251 W IB2009050251 W IB 2009050251W WO 2009095823 A1 WO2009095823 A1 WO 2009095823A1
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Classifications
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- 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
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
-
- 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
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
-
- 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
-
- 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
- C11D3/3776—Heterocyclic compounds, e.g. lactam
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- 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
- C11D3/3796—Amphoteric polymers or zwitterionic polymers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
Definitions
- the present invention relates to the field of domestic fabric laundering compositions that provide softness to fabrics through the wash and contain polymers.
- cationic deposition aids are capable of improving deposition onto fabrics of a range of desirable benefit agents, for fabric softening, perfumes, anti-wrinkle agents, hueing dyes, and the like.
- Such cationic deposition aids are described the art and fall generally into two classes: (1) "natural” types comprising a carbohydrate moiety, such as cationic hydroxyethylcellulose or cationic guar gum; and (2) “synthetic types” comprising cationic moieties but no carbohydrate.
- ampholytic and “amphoteric” may be used interchangeably, and describe a polymer that comprises anionic monomeric units and cationic monomeric units.
- An ampholytic polymer may be: anionic at a pH that is higher than its isoelectric point; and cationic at a pH that is lower than its isoelectric point; wherein the isoelectric point is the pH at which the net charge on a polymer is zero.
- Net charge refers to the sum of the electric charges of the monomeric units comprising a polymer.
- the net charge of ampholytic and other ionic polymers may be dependant upon conditions including, but not limited to the pH, temperature and soluble salt concentration of the carrier containing the polymers, such as the continuous phase of an aqueous dispersion.
- “Monomer” as used herein refers to a molecule that may be capable of reacting to form polymers by chemical union with monomers such as itself, or other monomers or monomeric units.
- “Monomeric unit” as used herein refers to a chemically bound unit in a polymer that is derived from a monomer.
- composition as used herein may encompass the terms: dispersion, solution, melt (such as of a pure liquid substance), or fluid.
- Dispersion as used herein refers to a system of particles that may be evenly distributed in a medium, which is in turn referred to herein as the "continuous phase”.
- aqueous dispersion as used herein may comprise a dispersion of particles (which may comprise the present polymers) distributed in a continuous phase comprising water.
- Viscosity refers to the resistance of a fluid to flow due to a shearing force. The viscosity of a fluid may be dependent upon the conditions under which it is measured, such as fluid temperature.
- compositions can comprise, consist essentially of, or consist of any of the required and optional elements disclosed herein.
- Mole percent (mol %) as used herein may mean either the percent of a monomeric unit in relation to all monomeric units of the polymer; or the mole fraction of reagents or reactants based upon other reagents or reactants. All numerical ranges disclosed herein, are meant to encompass each individual number within the range and to encompass any combination of the disclosed upper and lower limits of the ranges.
- the laundry detergent compositions according to the present invention contain water, a deposition polymer, fatty acid, and electrolyte and have a pH of from about 6 to about 11.
- a deposition polymer e.g., polyethylene glycol dimethacrylate copolymer
- fatty acid e.g., polyethylene glycol
- electrolyte e.g., polyethylene glycol dimethacrylate copolymer
- the laundry detergent compositions of the present invention contain from about 5% to about 95%, alternatively from about 10% to about 95%, by weight of the composition, of water. In one embodiment, they may contain from about 40% to about 90%, by weight of the composition, of water, alternatively from about 50% to about 90%.
- the compositions have a pH of from about 6 to about 11, alternatively from about 7 to about 9.
- water-miscible liquids such as alkanols, diols, other polyols, ethers, amines, and the like, may also be added to the detergent compositions of the present invention as co- solvents or stabilizers. However, these should generally be minimized for cost purposes.
- compositions of the present invention may be in any convenient form.
- the compositions are in the form of a liquid, a gel, a unit dose (pouched) product, or are part of a laundry kit.
- the laundry compositions of the present invention from about 0.02% to about 2%, by weight of the composition, of a deposition polymer having a number average molecular weight of from about 700,000 to about 4,000,000. In one embodiment, the molecular weight is from about 800,000 to about 3,000,000, alternatively from about 1,000,000 to about 2,500,000. In one embodiment, the laundry compositions of the present invention contain from about 0.05% to about 1%, by weight of the composition, of the deposition polymer, alternatively from about 0.1% to about 0.5%. In one embodiment, the deposition polymer has a charge density of less than 1 meq/gram.
- the deposition polymer includes monomeric units, wherein the monomeric units are derived from monomers. The monomers include nonionic monomers, cationic monomers and anionic monomers wherein the overall mole ratio of the monomers, according to the following equation,
- mole anionic monomer (mole anionic monomer + mole cationic monomer) is from 0.25 to 0.8.
- the overall mole ratio is from about 0.28 to 0.8, alternatively is from about 0.3 to about 0.8, alternatively is from about 0.35 to about 0.7, alternatively is from 0.35 to 0.6.
- the deposition polymer according to the present invention includes at least 50%, by mole, of monomeric units derived from nonionic monomers selected from acrylamide, N,N-dialkyl acrylamide, methacrylamide, N,N-dialkylmethacrylamide, hydroxyalkyl acrylate and vinyl pyrrolidone, vinyl acetate, vinyl alcohol, and mixtures thereof.
- the deposition polymer contains at least 70% of monomeric units derived from nonionic monomers.
- the nonionic monomer is selected from acrylamide, vinyl pyrrolidone, and mixtures thereof, alternatively is acrylamide.
- the deposition polymer according to the present invention includes from about 3% to about 30%, by mole, of monomeric units derived from cationic monomers selected from N,N- dialkylaminoalkyl methacrylate, N,N-dialkylaminoalkyl acrylate, N,N-dialkylaminoalkyl acrylamide, N,N-dialkylaminoalkylmethacrylamide, methacylamidoalkyl trialkylammonium chloride, acrylamidoalkylltrialkylammonium chloride, vinylamine, quaternized vinyl imidazole and diallyl dialkyl ammonium chloride, and mixtures thereof.
- cationic monomers selected from N,N- dialkylaminoalkyl methacrylate, N,N-dialkylaminoalkyl acrylate, N,N-dialkylaminoalkyl acrylamide, N,N-dialkylaminoalkylmethacrylamide, methacylamidoalkyl trial
- the deposition polymer contains from about 3% to about 10%, by mole, of monomeric units derived from cationic monomers.
- the cationic monomers are selected from [(3-methylacrylamido) alkyl] trialkylammonium chloride, diallyldimethylammonium chloride, and mixtures thereof, alternatively is 3- methacrylamidopropyltrimethyl ammonium chloride.
- the deposition polymer according to the present invention includes from about 1% to about 20%, by mole, of monomeric units derived from anionic monomers selected from acrylic acid, acrylic acid, methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS), salts thereof, and mixtures thereof.
- the deposition polymer includes from about 2.5% to about 6%, by mole, of monomeric units derived from anionic monomers.
- the anionic monomer is selected from acrylic acid, methacrylic acid, and mixtures thereof, alternatively is acrylic acid.
- the polymer is formed from monomeric units derived from (on a mole basis) 90% acrylamide, 5% MAPTAC and 5% acrylic acid. In another embodiment, the polymer is formed from monomeric units derived from (on a mole basis) 92% acrylamide, 1.6% acrylic acid, 1.4% methacrylic acid, and 5% MAPTAC. Counterion
- the polymers of the present invention may also contain counterions.
- Counterions refers to any innocuous ions which do not adversely affect the functioning of the invention and serve only to balance the charge of otherwise non-neutral monomers or other actives.
- suitable counterions include sodium, potassium, alkanolammonium and mixtures thereof.
- suitable counter-ions include nitrate, sulphate, chloride, carbonate, bicarbonate and mixtures thereof.
- the detergent compositions herein include from about 5% to about 60%, alternatively from about 5% to 40%, by weight of the composition, of a surfactant system containing from about 1% to about 25%, by weight of the surfactant system, of fatty acid, alternatively from about 3% to about 15%, alternatively from about 3% to about 10%.
- the laundry detergent compositions of the present invention may contain from about 75% to about 99%, by weight of the surfactant system, of a detersive surfactant.
- Detersive surfactants utilized can be of the anionic, nonionic, zwitterionic, ampholytic or cationic type or can comprise compatible mixtures of these types. Detergent surfactants useful herein are described in U.S.
- Anionic and nonionic surfactants are preferred Fatty acids useful herein include those commonly commercially available. Such fatty acids may contain from about 8 to about 20 carbon atoms and can also contain from about 1 to about 10 ethylene oxide units in the hydrocarbon chain.
- Suitable fatty acids are saturated and/or unsaturated and can be obtained from natural sources such a plant or animal esters (e.g., palm kernel oil, palm oil, coconut oil, babassu oil, safflower oil, tall oil, castor oil, tallow and fish oils, grease, and mixtures thereof), or synthetically prepared (e.g., via the oxidation of petroleum or by hydrogenation of carbon monoxide via the Fisher Tropsch process).
- suitable saturated fatty acids for use in the compositions of this invention include captic, lauric, myristic, palmitic, stearic, arachidic and behenic acid.
- Suitable unsaturated fatty acid species include: palmitoleic, oleic, linoleic, linolenic and ricinoleic acid.
- preferred fatty acids are saturated Cn fatty acid, saturated Ci 2 - Ci 4 fatty acids, and saturated or unsaturated Cn to Ci 8 fatty acids, and mixtures thereof.
- the laundry detergent compositions of the present invention may contain at least 0.1%, by weight of the compositions, of an electrolyte.
- Electrolytes useful herein include non-surface active electrolytes (as opposed to surfactants separately described herein).
- electrolytes useful herein include (i) polycarboxylic acid salts such as salts of citric acid, succinic acid, tartaric acids; salts of phosphonic acids or aminocarboxylic acids (which could also be chelating agents); (iii) salts of boric acids, and (iv) mixtures thereof.
- the laundry detergent compositions of the present invention may contain a fatty acid crystal modifier.
- the fatty acid crystal modifier is selected from sodium alkyl ethoxysulfate; quaternary ammonium surfactant; polyethyleneimine having a molecular weight of from about 300 to about 6000 and an average alkoxylation of from about 3 to about 30 moles of alkylene oxide per nitrogen; ethoxylated tetraethylene-pentaimines having an average ethoxylation of from 15 to 18; zwitterionic surfactants (such as alkyldimethylamine N-oxides, including dodecyldimethylamine N-oxide); chelating agents; zwitterionic amine-based soil release polymers; nonionic alkylpolyethoxylate; and mixtures thereof.
- the fatty acid crystal modifier may be selected from at least 5%, by weight of the composition, of sodium alkyl ethoxysulfate. In one embodiment, the composition contains from about 5% to about 25%, by weight of the composition, of sodium alkyl ethoxysulfate. Sodium alkyl ethoxysulfate is commonly used as a surfactant in laundry detergent compositions.
- Quaternary ammonium surfactant The fatty acid crystal modifier may be selected from about 0.1% to about 10%, by weight of the composition of a quaternary ammonium surfactant having the formula
- R ⁇ and R2 are individually selected from the group consisting of C1-C4 alkyl, C1-C4 hydroxy alkyl, benzyl, and -(C2H4.O) X H where x has a value from about 2 to about 5; X is an anion; and (1) R3 and R4 are each a Cg-C ⁇ 4 alkyl or (2) R3 is a Cg-C22 alkyl an d R4 is selected from the group consisting of C ⁇ -C ⁇ Q alkyl, C ⁇ -C ⁇ Q hydroxy alkyl, benzyl, and -(C2H4 ⁇ ) x H where x has a value from about 2 to about 5.
- Zwitterionic surfactants are individually selected from the group consisting of C1-C4 alkyl, C1-C4 hydroxy alkyl, benzyl, and -(C2H4.O) X H where x has a value from about 2 to about 5; X is an anion; and (1) R
- the fatty acid crystal modifier may be selected from about 0.1% to about 10%, by weight of the composition, of a zwitterionic surfactant.
- Zwitterionic surfactants useful herein include those commonly known in the art such as alkyl amine oxides. Chelating agents
- the fatty acid crystal modifier may be selected from about 0.05% to about 3%, by weight of the composition, alternatively from about 0.1% to about 1% of a chelating agent.
- Chelating agents useful herein include diethylene triamine penta acetate (DTPA). Zwitterionic amine-based soil-release polymers
- the fatty acid crystal modifier may be selected from about 0.1% or more, by weight of the composition, of a zwitterionic amine-based soil-release polymer.
- the laundry detergent compositions useful herein may include a fabric care benefit agent.
- fabric care benefit agents refers to detergent ingredients which are water dispersible or water insoluble and can provide fabric care benefits such as fabric softening, color protection, pill/fuzz reduction, anti-abrasion, anti-wrinkle, perfume longevity and the like, to garments and fabrics, particularly on cotton garments and fabrics.
- fabric care benefit agents typically have the solubility in distilled water of less than
- the solubility of the fabric care benefit agent is more than 10g/L, it will remain soluble in the wash liquor and consequently will not deposit onto the fabrics.
- water insoluble fabric care benefit agents useful herein include dispersible polyolefins, polymer latexes, organosilicones, perfume or other active microcapsules, and mixtures thereof.
- the fabric care benefit agents can be in the form of emulsions, latexes, dispersions, suspensions, micelles and the like, and preferably in the form of microemulsions, swollen micelles or latexes. As such, they can have a wide range of particle sizes from about 1 nm to 100 um and preferably from about 5 nm to 10 um.
- the particle size of the microemulsions can be determined by conventional methods, such as using a Leeds & Northrup Microtrac UPA particle sizer.
- Emulsifiers, dispersing agents and suspension agents may be used.
- the weight ratio of emulsifiers, dispersing agents or suspension agents to the fabric care benefit agents is about 1:100 to about 1:2. Preferably, the weight ratio ranges from about 1:50 to 1:5.
- Any surfactants suitable for making polymer emulsions or emulsion polymerizations of polymer latexes can be used to make the water insoluble fabric care benefit agents of the present invention.
- Suitable surfactants include anionic, cationic, and nonionic surfactants or mixtures thereof. Nonionic and anionic surfactants are preferred.
- the emulsification of the care agent is achieved in situ in the liquid detergent. In such case, the benefit agent is slowly added to the liquid detergent with vigorous mixing.
- Organosilicones Organosilicones
- Suitable organosilicones include, but not limited to (a) non-functionalized silicones such as polydimethylsiloxane (PDMS); and (b) functionalized silicones such as silicones with one or more functional groups selected from the group consisting of amino, amido, alkoxy, alkyl, phenyl, polyether, acrylate, siliconehydride, mercaptoproyl, carboxylate, sulfate phosphate, quaternized nitrogen, and combinations thereof.
- PDMS polydimethylsiloxane
- functionalized silicones such as silicones with one or more functional groups selected from the group consisting of amino, amido, alkoxy, alkyl, phenyl, polyether, acrylate, siliconehydride, mercaptoproyl, carboxylate, sulfate phosphate, quaternized nitrogen, and combinations thereof.
- the organosilicones suitable for use herein have a viscosity ranging from about 10 to about 700,000 CSt (centistokes) at 20 0 C. In other embodiments, the suitable organosilicones have a viscosity from about 10 to about 100,000 CSt.
- PDMS Polydimethylsiloxanes
- the detergent compositions comprise PDMS having a viscosity of from about 100 to about 700,000 CSt at 20 0 C.
- Exemplary functionalized silicones include but are not limited to aminosilicones, amidosilicones, silicone polyethers, alkylsilicones, phenyl silicones and quaternary silicones.
- the functionalized silicones suitable for use in the present invention have the following general formula:
- m is from 4 to 50,000, preferably from 10 to 20,000; k is from 1 to 25,000, preferably from 3 to 12,000; each R is H or Ci-Cs alkyl or aryl group, preferably Ci-C 4 alkyl, and more preferably a methyl group;
- X is a linking group having the formula: i) -(CH 2 ) p - wherein p is from 2 to 6, preferably 2 to 3; ii)
- Q has the formula: i) -NH 2 , - NH - (CH 2 ) r - NH 2 , wherein r is from 1 to 4, preferably 2 to 3; or ii) - (O - CHR 2 - CH 2 ) S - Z, wherein s is from 1 to 100, preferably 3 to 30; wherein R 2 is H or C 1 -C 3 alkyl, preferably H or CH 3 ; and Z is selected from the group consisting of - OR 3 , - OC(O)R 3 , - CO- R 4 - COOH, -SO 3 , - PO(OH) 2 , and mixtures thereof; further wherein R 3 is H, Ci-C 26 alkyl or substituted alkyl, C 6 -C 26 aryl or substituted aryl, C 7 - C 26 alkylaryl or substituted alkylaryl groups, preferably R 3 is H, methyl, ethyl propyl or benzyl groups
- organosilicone preferably methyl.
- modified polyalkylene oxide polysiloxanes of the general formula:
- Q is NH 2 or -NHCH 2 CH 2 NH 2 ;
- R is H or Ci-C 6 alkyl;
- r is from O to 1000;
- m is from 4 to
- n is from 3 to 35,000; and p and q are integers independently selected from 2 to 30.
- Silwet® L-7622, Silwet® L-7602, Silwet® L-7604, Silwet® L-7500 Magnasoft® TLC, available from GE Silicones of Wilton, CT; Ultrasil® SW- 12 and Ultrasil® DW-18 silicones, available from Noveon Inc., of Cleveland OH; and DC-5097, FF-400® available from Dow Corning ® of Midland, MI. Additional examples are KF-352®, KF-6015®, and KF-945®, all available from Shin Etsu Silicones of Tokyo, Japan.
- Nonlimiting examples of this class of organosilicones are Ultrasil® A21 and Ultrasil® A-23, both available from Noveon, Inc. of Cleveland, OH; BY16-876® from Dow Corning Toray Ltd., Japan; and X22-3939A® from Shin Etsu Corporation, Tokyo Japan.
- a third class of organosilicones useful herein is modified polyalkylene oxide polysiloxanes of the general formula:
- silicones are cationic silicones. These are typically produced by reacting a diamine with an epoxide. They are described in WO 02/18528 and WO 04/041983 (both assigned to P&G), WO 04/056908 (assigned to Wacker Chemie) and US 5,981,681 and US
- composition of the present invention contains organosilicone emulsions, which comprise organosilicones dispersed in a suitable carrier (typically water) in the presence of an emulsifier (typically an anionic surfactant).
- a suitable carrier typically water
- an emulsifier typically an anionic surfactant
- the organosilicones are in the form of microemulsions.
- the organosilicone microemulsions may have an average particle size in the range from about 1 nm to about 150 nm, or from about 10 nm to about 100 nm, or from about 20 nm to about 50 nm.
- Microemulsions are more stable than conventional macroemulsions (average particle size about 1-20 microns) and when incorporated into a product, the resulting product has a preferred clear appearance.
- the emulsifiers in the composition become diluted such that the microemulsions can no longer be maintained and the organosilicones coalesce to form significantly larger droplets which have an average particle size of greater than about 1 micron. Since the selected organosilicones are water insoluble or have limited solubility in water, they will crash out of the wash liquor, resulting in more efficient deposition onto the fabrics and enhanced fabric care benefits.
- the composition is mixed with an excess of water to form a wash liquor, which typically has a weight ratio of water : composition ranging from 10:1 to 400:1.
- a typical embodiment of the composition comprising from about 0.01% to about 10%, by weight of composition of the organosilicones and an effective amount of an emulsifier in a carrier.
- the "effective amount" of emulsifier is the amount sufficient to produce an organosilicone microemulsion in the carrier, preferably water.
- the amount of emulsifiers ranges from about 5 to about 75 parts, or from about 25 to about 60 parts per 100 weight parts organosilicone.
- the microemulsion typically comprises from about 10 to about 70%, or from about 25 to about 60%, by weight of the microemulsion of the dispersed organosilicones; from about 0.1 to about 30%, or from about 1 to about 20%, by weight of the microemulsion of anionic surfactant; optionally, from about 0 to about 3 %, or from about 0.1 to about 20%, by weight of the microemulsion of nonionic surfactant; and the balance being water, and optionally other carriers.
- Selected organosilicone polymers are suitable for forming microemulsions; these organosilicones are sometimes referred to as the "self emulsifying silicones".
- Emulsifiers particularly anionic surfactants, may be added to aid the formation of organosilicone microemulsions in the composition.
- nonionic surfactants useful as laundry adjuncts to provide detersive benefits can also aid the formation and stability of the microemulsions.
- the amount of emulsifiers is from about 0.05% to about 15% by weight of the composition.
- anionic surfactants include the following: alkyl sulfonates, such as Cn-Ci 8 alkyl benzene sulfonates (LAS) or C 1 0-C 2 0 branched-chain and random alkyl sulfates (AS); Ci O -Ci 8 alkyl ethoxy sulfates (AE x S) wherein x is from 1-30; mid-chain branched alkyl sulfates (US 6,020,303 and US 6,060,443) or mid-chain branched alkyl alkoxy sulfates (US 6,008,181 and US 6,020,303); Ci 0 -Ci 8 alkyl alkoxy carboxylates comprising 1-5 ethoxy units; modified alkylbenzene sulfonate (MLAS) as discussed in WO 99/05243, WO 99/05242, WO 99/05244, WO 99/05082, WO 99/05084, WO
- the polyolefins can be in the form of waxes, emulsions, dispersions or suspensions. Examples of polyolefins useful herein are discussed below.
- the polyolefin may be a polyethylene, polypropylene, or a mixture thereof.
- the polyolefin may be at least partially modified to contain various functional groups, such as carboxyl, alkylamide, sulfonic acid or amide groups. In one embodiment, the polyolefin is at least partially carboxyl modified or, in other words, oxidized.
- the dispersible polyolefin may be introduced as a suspension or an emulsion of polyolefin dispersed in an aqueous medium by use of an emulsifying agent.
- the emulsifier may be any suitable emulsification agent including anionic, cationic, or nonionic surfactants, or mixtures thereof. Almost any suitable surfactant may be employed as the emulsifier of the present invention.
- the dispersible polyolefin is dispersed by use of an emulsifier or suspending agent in a ratio 1:100 to about 1:2. Preferably, the ratio ranges from about 1 : 50 to 1:5.
- the polyolefin suspension or emulsion may comprise from about 1% to about 60%, alternatively from about 10% to about 55%, and still alternatively from about 20 to about 50% by weight of polyolefin.
- the polyolefin may have a wax dropping point (see ASTM D3954-94, volume 15.04 "Standard Test Method for Dropping Point of Waxes", the method incorporated herein by reference) from about 20 to 170 0 C and more preferably from about 50 to 140 0 C.
- Suitable polyethylene waxes are available commercially from suppliers including but not limited to Honeywell (A-C polyethylene), Clariant (Velustrol emulsion), and BASF (LUWAX).
- Polymer Latexes Polymer latex is typically made by an emulsion polymerization process which includes one or more monomers, one or more emulsifiers, an initiator, and other components familiar to those of ordinary skill in the art.
- All polymer latexes that provide fabric care benefits can be used as water insoluble fabric care benefit agents of the present invention.
- suitable polymer latexes include those disclosed in WO 02/018451 published in the name of Rhodia Chimie.
- Polymer latexes suitable for use herein as fabric care benefit agents include those having a glass transition temperature of from about -120 0 C to about 120 0 C and preferably from about - 80 0 C to about 60 0 C.
- Suitable emulsifiers include anionic, cationic, nonionic and amphoteric surfactants.
- Suitable initiators include all initiators that are suitable for emulsion polymerization of polymer latexes.
- the particle size of the polymer latexes can be from about 1 nm to about 10 ⁇ m and is preferably from about 10 nm to about 1 ⁇ m.
- the laundry compositions herein may contain microcapsules or microencapsulates containing one or more fabric care active materials.
- microcapsules and “microencapsulates” are used interchangeably herein.
- Microcapsules useful herein include urea/formaldehyde microcapsules, melamine/formaldehyde microcapsules, more generally aminoplast or polyamide microcapsules, and other types of core-shell microcapsules or microencapsulates having median particle sizes ranging from below 1 micron to 100 micron or higher can be used in the present compositions, suitably at levels of from 0.01% to 5% of the composition by weight.
- microcapsules can be colored or uncolored, e.g., by use of dyes and/or pigments, and further, can contain any useful compatible detergent adjunct including perfumes, anti-fungals, odor control agents, antistatic agents, fluorescent whitening agents, antimicrobial actives, emollients, UV protection agents, flame retardants, brighteners, enzymes and the like, enclosed in the core of the microencapsulate.
- Such materials are most commonly derived from technology and processes long ago established for making carbonless copy paper, and are available from a range of commercial suppliers such as Ciba, Givaudan/Quest BASF, IFF, Cognis, Appleton Papers, Chemitech and others.
- a perfume microcapsule contains an encapsulated perfume composition to provide a latent source of perfume.
- the perfume composition that is encapsulated may be comprised of 100% perfume, which encompasses individual perfume ingredients or perfume accords; optionally, the perfume composition may include non-volatile materials such as diluents.
- the diluent may be present from 0% to 50% of the perfume formulation.
- Exemplary diluents include isopropyl myristate, polyethylene glycol, propanediol, and combinations thereof.
- the detergent compositions of the present invention can also include any number of additional optional ingredients.
- additional optional ingredients include conventional laundry detergent composition components such as detersive builders, enzymes, enzyme stabilizers (such as propylene glycol, boric acid and/or borax), suds suppressors, soil suspending agents, soil release agents, other fabric care benefit agents, pH adjusting agents, smectite clays, solvents, hydrotropes and phase stabilizers, structuring agents, dye transfer inhibiting agents, optical brighteners, perfumes and coloring agents.
- the various optional detergent composition ingredients, if present in the compositions herein, should be utilized at concentrations conventionally employed to bring about their desired contribution to the composition or the laundering operation. Frequently, the total amount of such optional detergent composition ingredients can range from about 5% to about 50%, alternatively from about 30% to about 40%, by weight of the composition.
- Pearlescent agent such as propylene glycol, boric acid and/or borax
- the laundry detergent compositions of the present invention may comprise from about 0.02% to about 0.5%, by weight of the composition, of a pearlescent agent.
- pearlescent agents useful herein include mica, metal oxide coated mica, bismuth oxy chloride coated mica, bismuth oxychloride, glass, metal oxide coated glass, ethylene glycol distearate, fish scales, and mixtures thereof.
- the pearlescent agent has an average particle size of from 0.1 to 50 microns and has a platelet or spherical geometry.
- compositions herein are contemplated for using in traditional machine-washing or hand- washing methods.
- the compositions may also be used on a commercial scale for laundering commercial quantities of fabrics or textiles.
- Use of the laundry compositions herein to launder or pre-treat fabrics is contemplated herein. Such use to impart an improved fabric feel and/or cleaning benefit to fabrics is further contemplated herein.
- compositions of the present invention may be encapsulated within a water soluble film.
- the water-soluble film may be made from polyvinyl alcohol or other suitable variations, carboxy methyl cellulose, cellulose derivatives, starch, modified starch, sugars, PEG, waxes, or combinations thereof.
- the water-soluble may include other adjuncts such as copolymer of vinyl alcohol and a carboxylic acid.
- US patent 7,022,656 B2 (Monosol) describes such film compositions and their advantages.
- One benefit of these copolymers is the improvement of the shelf- life of the pouched detergents thanks to the better compatibility with the detergents.
- Another advantage of such films is their better cold water (less than 10 0 C) solubility.
- the level of the co-polymer in the film material is at least 60% by weight of the film.
- the polymer can have any weight average molecular weight, preferably from 1000 daltons to 1,000,000 daltons, more preferably from 10,000 daltons to 300,000 daltons, even more preferably from 15,000 daltons to 200,000 daltons, most preferably from 20,000 daltons to 150,000 daltons.
- the co-polymer present in the film is from 60% to 98% hydrolysed, more preferably 80% to 95% hydrolysed, to improve the dissolution of the material.
- the co-polymer comprises from 0.1 mol% to 30 mol%, preferably from 1 mol% to 6 mol%, of said carboxylic acid.
- the water-soluble film of the present invention may further comprise additional co- monomers. Suitable additional co-monomers include sulphonates and ethoxylates. An example of preferred sulphonic acid is 2-acrylamido-2-methyl- 1 -propane sulphonic acid (AMPS).
- AMPS 2-acrylamido-2-methyl- 1 -propane sulphonic acid
- a suitable water-soluble film for use in the context of the present invention is commercially available under tradename M8630TM from Mono-Sol of Indiana, US.
- the water-soluble film ° herein may also comprise ingredients other than the polymer or polymer material.
- plasticisers for example glycerol, ethylene glycol, diethyleneglycol, propanediol, 2-methyl- 1,3 -propane diol, sorbitol and mixtures thereof, additional water, disintegrating aids, fillers, anti-foaming agents, emulsifying/dispersing agents, and/or antiblocking agents.
- the pouch or water-soluble film itself comprises a 5 detergent additive to be delivered to the wash water, for example organic polymeric soil release agents, dispersants, dye transfer inhibitors.
- the surface of the film of the pouch may be dusted with fine powder to reduce the coefficient of friction. Sodium aluminosilicate, silica, talc and amylose are examples of suitable fine powders.
- the encapsulated pouches of the present invention can be made using any conventionally 0 known techniques.
- the pouches are made using horizontal form filling thermoforming techniques.
- Residue Protocol 0 1.
- the fabric used to assess residues on fabrics is a black velvet (Material source: Denholme
- a pouch is made by sewing a rectangle of black velvet (dimensions 23.5 cm x 47 cm that is5 folded to make a square with the velvet on the inside) using an overlock stitch, sewing along two sides leaving one open edge. The pouch is turned inside out so that the velvet is on the outside. 3.
- a dosing ball is filled using the recommended dosage for each product according to packaging instructions for normal/median soil and normal/median water hardness (125g). For every experiment, a new and unused dosing ball is filled. The dosing ball is placed inside the black velvet pouch.
- the pouch is then closed by making a 2 cm wide fold across the open side and is secured with 3 plastic stitches.
- the black pouch is placed in the back of the washing machine (Miele Novotronic W527) with the opening of the dosing ball up, without any further ballast load.
- the washing machine is switched on using the wool wash program at 40 0 C, using city water (2.5mmol/L).
- the pouches are immediately removed from the washing machine.
- the pouches are opened along the three sides (all stitched and sewed sides), except the folded side.
- a run with a reference product is performed at the same time (for comparison). Every experiment is repeated 2 times to have 3 replicates per test product.
- the pouches are graded after drying over night (horizontally on a flat surface), by 2 qualified graders, using the following grading instructions and scale (relative scale to reference product results):
- the overall mole ratio is defined as: (% Acrylic acid + % methacrylic acid) / (% Acrylic acid + % methacrylic acid + % PamMAPTAC)
- Example II Softness Testing The relative softness of fabrics washed in laundry products containing polymers is assessed in a full scale washing machine test using Miele Novotronic W527.
- Fabric softness is a relative characteristic that in this protocol is evaluated by trained human softness graders that tactically examine a range of white fabric swatches washed in commercially available washing machines with standard dosages of laundry detergent. Identical sets of fabric swatches are separately washed in a reference detergent product and in a test product. The softness results are a comparison of the resulting fabric swatches from each test product wash with the fabrics from the reference detergent product wash using the PSU score described below. All data are generated by usingcommercially available washing machines manufactured by Miele and sold as the Novatronic W527 model and commercially available laundry dryers manufactured by Miele and sold as the Novotronic T490 model.
- ballast load In addition to the fabric swatches, in each washing cycle an extra ballast load is added to get to a total weight of approximately 3kg of fabrics in the washing cycle (see Table 4, below).
- the ballast load consists of two large terry towels (80cm x 50cm, supplied by Maes Textiles) and six pieces of knitted cotton (50cm x 50cm, supplied by Abanderado). After completion of the three washing cycles, all fabrics are then tumble dried in a commercially available dryer. Upon drying, the fabrics are then ready to use in softness testing.
- Test Load For the reference product and for each of the test compositions, a test load of fabrics as shown in Table 4 is utilized.
- test load of fabrics is then washed three times each in succession (cycles 1, 2, and 3) with 75ml (recommended dosage for medium water hardness, medium soil) of the laundry product to be analyzed, dispensing with a dosing ball.
- Reference laundry product is washed under the same conditions as test products.
- the washing machines are fed with city water (2.5mmol/L) at 40 0 C and are set to the short ("wit/bont") standard program with spinning at 1200rpm. The washing machines are not rotated to avoid contamination between the products. All three cycles for each laundry product test load must be completed on the same day with tumble drying of all fabrics in between cycles 1 and 2, and in between cycles 2 and 3, using the setting "Kastdroog" on the dryer.
- the fabrics that need to be line dried are taken out and line dried overnight in a controlled temperature and humidity room set at 21 0 C, 50% relative humidity.
- the other fabrics are dried in a tumble dryer, using the "Extra dry" setting.
- the PSU scale as referenced herein is a paired comparison between a fabric swatch treated with test product and the same type of fabric swatch treated with the reference product, using a grading scale going from -4 to 4. This paired comparison PSU grading scale is shown below in Table 5.
- a positive grading scale number indicates that the fabric swatch treated with the test product is softer than the one of the reference product
- a negative grading scale number indicates that the reference swatch is softer. If for a particular set of swatches, the grades given by the two softness graders differ by more than 1 PSU (except -1 and +1), regrading occurs.
- each of the swatches from the load (except the ballast load) is compared with one swatch of the same fabric type washed with the reference product.
- 32 PSU gradings are completed per grader for each test product (8 gradings for terry swatches line dry, 8 gradings for terry swatches tumble dry, 8 gradings for knitted cotton line dry and 8 numbers for polycotton tumble dry).
- an average softness score is calculated by averaging all 32 gradings from both graders.
- compositions 3A and 3B Additional detergent composition examples according to the present invention are shown as compositions 3A and 3B, below. It is predicted that these formulations will provide good cleaning, softness and acceptably low visible residues on fabrics when used in traditional consumer washing machines.
- compositions 4A to 4E Additional laundry detergent composition examples according to the present invention are shown as compositions 4A to 4E, below. It is predicted that these formulations will provide good cleaning, softness and acceptably low visible residues on fabrics when used in traditional consumer washing machines.
- Merquat 5300 is terpolymer with mole ratio : 90% P AM/5% AA/5%MAPTAC produced by Nalco.
- compositions 5A to 5E Additional laundry detergent composition examples according to the present invention are shown as compositions 5A to 5E, below. It is predicted that these formulations will provide good cleaning, softness and acceptably low visible residues on fabrics when used in traditional consumer washing machines.
- compositions 6A to 6D Additional laundry detergent composition examples according to the present invention are shown as compositions 6A to 6D, below. It is predicted that these formulations will provide good cleaning, softness and acceptably low visible residues on fabrics when used in traditional consumer washing machines.
- compositions 7A to 7F Additional laundry detergent composition examples according to the present invention are shown as compositions 7A to 7F, below. It is predicted that these formulations will provide good cleaning, softness and acceptably low visible residues on fabrics when used in traditional consumer washing machines.
- compositions 8A to 8C Additional laundry detergent composition examples according to the present invention are shown as compositions 8A to 8C, below. It is predicted that these formulations will provide good cleaning, softness and acceptably low visible residues on fabrics when used in traditional consumer washing machines.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2713528A CA2713528A1 (en) | 2008-02-01 | 2009-01-22 | Fabric softening laundry detergent |
JP2010544823A JP2011511124A (en) | 2008-02-01 | 2009-01-22 | Fabric softening detergent |
BRPI0907455-4A BRPI0907455A2 (en) | 2008-02-01 | 2009-01-22 | Laundry detergent with fabric softeners |
EP09706862.1A EP2242827B1 (en) | 2008-02-01 | 2009-01-22 | Fabric softening laundry detergent |
MX2010008465A MX2010008465A (en) | 2008-02-01 | 2009-01-22 | Fabric softening laundry detergent. |
CN200980103283XA CN101925670A (en) | 2008-02-01 | 2009-01-22 | Fabric softening laundry detergent |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US2546908P | 2008-02-01 | 2008-02-01 | |
US61/025,469 | 2008-02-01 |
Publications (1)
Publication Number | Publication Date |
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WO2009095823A1 true WO2009095823A1 (en) | 2009-08-06 |
Family
ID=40564986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2009/050251 WO2009095823A1 (en) | 2008-02-01 | 2009-01-22 | Fabric softening laundry detergent |
Country Status (9)
Country | Link |
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EP (1) | EP2242827B1 (en) |
JP (1) | JP2011511124A (en) |
CN (1) | CN101925670A (en) |
AR (1) | AR070401A1 (en) |
BR (1) | BRPI0907455A2 (en) |
CA (1) | CA2713528A1 (en) |
MX (1) | MX2010008465A (en) |
RU (1) | RU2010132282A (en) |
WO (1) | WO2009095823A1 (en) |
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US20110065624A1 (en) * | 2009-09-14 | 2011-03-17 | Jean-Pol Boutique | Fluid laundry detergent composition |
JP2013524037A (en) * | 2010-04-01 | 2013-06-17 | ザ プロクター アンド ギャンブル カンパニー | Fabric care composition comprising a copolymer |
JP2014529669A (en) * | 2011-09-01 | 2014-11-13 | ザ プロクター アンド ギャンブルカンパニー | Cleaning composition and soil scavenger for cleaning object |
JP2015063690A (en) * | 2009-12-18 | 2015-04-09 | ザ プロクター アンド ギャンブルカンパニー | Composition comprising microcapsules |
WO2015071659A1 (en) * | 2013-11-12 | 2015-05-21 | Cambridge Enterprise Limited | Novel composition |
CN104651078A (en) * | 2014-10-10 | 2015-05-27 | 浙江艾莱依羽绒制品有限公司 | Effective deoiling down-protecting laundry detergent for coating material or high-density material down feather product |
WO2015143644A1 (en) * | 2014-03-26 | 2015-10-01 | The Procter & Gamble Company | Cleaning compositions containing cationic polymers, and methods of making and using same |
US20150376552A1 (en) * | 2014-03-26 | 2015-12-31 | The Procter & Gamble Company | Cleaning compositions containing cationic polymers, and methods of making and using same |
WO2016032991A1 (en) * | 2014-08-27 | 2016-03-03 | The Procter & Gamble Company | Detergent composition comprising a cationic polymer |
WO2016032992A1 (en) * | 2014-08-27 | 2016-03-03 | The Procter & Gamble Company | Detergent composition comprising a cationic polymer |
US9617501B2 (en) | 2014-08-27 | 2017-04-11 | The Procter & Gamble Company | Method of treating a fabric by washing with a detergent comprising an acrylamide/DADMAC cationic polymer |
US9725680B2 (en) | 2014-08-27 | 2017-08-08 | The Procter & Gamble Company | Method of preparing a detergent composition comprising a cationic polymer with a silicone/surfactant mixture |
JP2017149982A (en) * | 2010-04-28 | 2017-08-31 | ザ プロクター アンド ギャンブル カンパニー | Delivery particles |
US9809783B2 (en) | 2014-08-27 | 2017-11-07 | The Procter & Gamble Company | Detergent composition comprising an acrylamide/maptac cationic polymer |
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JP6257700B2 (en) * | 2016-05-30 | 2018-01-10 | ハリマ化成株式会社 | Pitch control agent and pitch control method |
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- 2009-01-22 WO PCT/IB2009/050251 patent/WO2009095823A1/en active Application Filing
- 2009-01-22 EP EP09706862.1A patent/EP2242827B1/en active Active
- 2009-01-22 MX MX2010008465A patent/MX2010008465A/en active IP Right Grant
- 2009-01-22 RU RU2010132282/04A patent/RU2010132282A/en not_active Application Discontinuation
- 2009-01-22 BR BRPI0907455-4A patent/BRPI0907455A2/en not_active IP Right Cessation
- 2009-01-22 CN CN200980103283XA patent/CN101925670A/en active Pending
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EP2295531B1 (en) * | 2009-09-14 | 2017-02-22 | The Procter & Gamble Company | A fluid laundry detergent composition |
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US9951297B2 (en) | 2014-08-27 | 2018-04-24 | The Procter & Gamble Company | Detergent composition compromising a cationic polymer containing a vinyl formamide nonionic structural unit |
US9850452B2 (en) | 2014-09-25 | 2017-12-26 | The Procter & Gamble Company | Fabric care compositions containing a polyetheramine |
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Also Published As
Publication number | Publication date |
---|---|
EP2242827B1 (en) | 2013-07-10 |
BRPI0907455A2 (en) | 2015-07-14 |
CA2713528A1 (en) | 2009-08-06 |
CN101925670A (en) | 2010-12-22 |
JP2011511124A (en) | 2011-04-07 |
MX2010008465A (en) | 2010-08-23 |
EP2242827A1 (en) | 2010-10-27 |
RU2010132282A (en) | 2012-03-10 |
AR070401A1 (en) | 2010-04-07 |
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