WO2007138053A1 - Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters - Google Patents
Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters Download PDFInfo
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- WO2007138053A1 WO2007138053A1 PCT/EP2007/055197 EP2007055197W WO2007138053A1 WO 2007138053 A1 WO2007138053 A1 WO 2007138053A1 EP 2007055197 W EP2007055197 W EP 2007055197W WO 2007138053 A1 WO2007138053 A1 WO 2007138053A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F263/00—Macromolecular compounds obtained by polymerising monomers on to polymers of esters of unsaturated alcohols with saturated acids as defined in group C08F18/00
- C08F263/02—Macromolecular compounds obtained by polymerising monomers on to polymers of esters of unsaturated alcohols with saturated acids as defined in group C08F18/00 on to polymers of vinyl esters with monocarboxylic acids
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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
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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
- C11D3/3788—Graft polymers
Definitions
- the present invention relates to novel amphiphilic graft polymers based on water- soluble polyalkylene oxides (A) as a graft base and side chains formed by polymerization of a vinyl ester component (B), said polymers having an average of ⁇ 1 graft site per 50 alkylene oxide units and mean molar masses M w of from 3000 to 100 000.
- the invention also relates to the preparation of these graft polymers.
- Graft polymers based on polyalkylene oxides and vinyl esters, in particular vinyl acetate, are known from DE-B-10 77 430 and GB-B-922 457. They are prepared by polymerizing the vinyl ester in the presence of the polyalkylene oxide, the initiator used being dibenzoyl peroxide, dilauroyl peroxide or diacetyl peroxide. In the examples of these documents, the procedure is to prepare a solution from all reactants. This solution is either heated directly to the polymerization temperature or only a portion is initially charged and heated, and the majority is metered in.
- graft polymers based on polyalkylene oxides and vinyl esters are suitable as graying inhibitors in the washing and aftertreatment of textiles comprising synthetic fibers.
- EP-A-285 935 and 285 038 also recommend graft polymers which comprise methyl acrylate or N-vinylpyrrolidone in copolymerized form as an additional graft monomer.
- graft polymers used in the examples no specific data are given; reference is made merely in general terms to DE-B-10 77 430 and GB-B-922 457.
- the graft polymers prepared according to the specifications in DE-B-10 77 430 and GB-B-922 57 are relatively highly branched (> 1 graft site per 50 alkylene oxide units) and have a broad molar mass distribution (poly- dispersity > 3).
- amphiphilic graft polymers based on water-soluble polyalkylene oxides (A) as a graft base and side chains formed by polymerization of a vinyl ester component (B), said polymers having an average of ⁇ one graft site per 50 alkylene oxide units and mean molar masses M w of from 3000 to 100 000.
- a process for preparing graft polymers which comprises polymer- izing a vinyl ester component (B) composed of vinyl acetate and/or vinyl propionate (B1) and, if desired, a further ethylenically unsaturated monomer (B2), in the presence of a water-soluble polyalkylene oxide (A), a free radical-forming initiator (C) and, if desired, up to 40% by weight, based on the sum of components (A), (B) and (C), of an organic solvent (D), at a mean polymerization temperature at which the initiator (C) has a decomposition half-life of from 40 to 500 min, in such a way that the fraction of unconverted graft monomer (B) and initiator (C) in the reaction mixture is constantly kept in a quantitative deficiency relative to the polyalkylene oxide (A).
- the inventive graft polymers are characterized by their low degree of branching (de- gree of grafting). They have, on average, based on the reaction mixture obtained, not more than 1 graft site, preferably not more than 0.6 graft site, more preferably not more than 0.5 graft site and most preferably not more than 0.4 graft site per 50 alkylene oxide units. They comprise, on average, based on the reaction mixture obtained, preferably at least 0.05, in particular at least 0.1 graft site per 50 alkylene oxide units.
- the de- gree of branching can be determined, for example, by means of 13 C NMR spectroscopy from the integrals of the signals of the graft sites and the -Chb-groups of the polyalkylene oxide.
- the molar ratio of grafted to ungrafted alkylene oxide units in the inventive graft polymers is from 0.002 to 0.05, preferably from 0.002 to 0.035, more preferably from 0.003 to 0.025 and most preferably from 0.004 to 0.02.
- the inventive graft polymers feature a narrow molar mass distribution and hence a polydispersity M w /Mn of generally ⁇ 3, preferably ⁇ 2.5 and more preferably ⁇ 2.3. Most preferably, their polydispersity M w /M n is in the range from 1.5 to 2.2.
- the polydispersity of the graft polymers can be determined, for example, by gel permeation chromatography using narrow-distribution polymethyl methacrylates as the standard.
- the mean molecular weight M w of the inventive graft polymers is from 3000 to 100 000, preferably from 6000 to 45 000 and more preferably from 8000 to 30 000.
- inventive graft polymers Owing to their low degree of branching and their low polydispersity, the amphiphilic character and the block polymer structure of the inventive graft polymers is particularly marked.
- inventive graft polymers also have only a low content of ungrafted polyvinyl ester (B). In general, they comprise ⁇ 10% by weight, preferably ⁇ 7.5% by weight and more preferably ⁇ 5% by weight of ungrafted polyvinyl ester (B).
- the inventive graft polymers are soluble in water or in water/alcohol mixtures (for example a 25% by weight solution of diethylene glycol monobutyl ether in water). They have pronounced, low cloud points which, for the graft polymers soluble in water at up to 50°C, are generally ⁇ 95°C, preferably ⁇ 85°C and more preferably ⁇ 75°C, and, for the other graft polymers in 25% by weight diethylene glycol monobutyl ether, generally ⁇ 90°C, preferably from 45 to 85°C.
- the inventive amphiphilic graft polymers have preferably
- (B 1 ) from 70 to 100% by weight of vinyl acetate and/or vinyl propionate and (B2) from 0 to 30% by weight of a further ethylenically unsaturated monomer
- they comprise from 25 to 60% by weight of the graft base (A) and from 40 to 75% by weight of the polyvinyl ester component (B).
- Water-soluble polyalkylene oxides suitable for forming the graft base (A) are in princi- pie all polymers based on C2-C4-alkylene oxides which comprise at least 50% by weight, preferably at least 60% by weight, more preferably at least 75% by weight of ethylene oxide in copolymerized form.
- the polyalkylene oxides (A) preferably have a low polydispersity Mw/M n .
- Their polydis- persity is preferably ⁇ 1.5.
- the polyalkylene oxides (A) may be the corresponding polyalkylene glycols in free form, i.e. with OH end groups, but they may also be capped at one or both end groups. Suitable end groups are, for example, Ci-C25-alkyl, phenyl and Ci-Ci4-alkylphenyl groups.
- polyalkylene oxides (A) include: (A1 ) polyethylene glycols which may be capped at one or both end groups, especially by Ci-C25-alkyl groups, but are preferably not etherified, and have mean molar masses M n of preferably from 1500 to 20 000, more preferably from 2500 to 15 000;
- Preferred graft bases (A) are the polyethylene glycols (A1 ).
- the side chains of the inventive graft polymers are formed by polymerization of a vinyl ester component (B) in the presence of the graft base (A).
- the vinyl ester component (B) may consist advantageously of (B1 ) vinyl acetate or vinyl propionate or of mixtures of vinyl acetate and vinyl propionate, particular preference being given to vinyl acetate as the vinyl ester component (B).
- the side chains of the graft polymer can also be formed by copolymerizing vinyl acetate and/or vinyl propionate (B 1) and a further ethylenically unsaturated monomer (B2).
- the fraction of monomer (B2) in the vinyl ester component (B) may be up to 30% by weight, which corresponds to a content in the graft polymer of (B2) of 24% by weight.
- Suitable comonomers (B2) are, for example, monoethylenically unsaturated carboxylic acids and dicarboxylic acids and their derivatives, such as esters, amides and anhydrides, and styrene. It is of course also possible to use mixtures of different comonomers.
- (meth)acrylic acid Ci-Ci2-alkyl and hydroxy-C2-Ci2-alkyl esters of (meth)acrylic acid, (meth)acrylamide, N-Ci-Ci2-alkyl(meth)acrylamide,
- Preferred monomers (B2) are the Ci-Cs-alkyl esters of (meth)acrylic acid and hy- droxyethyl acrylate, particular preference being given to the Ci-C4-alkyl esters of (meth)acrylic acid.
- Very particularly preferred monomers (B2) are methyl acrylate, ethyl acrylate and in particular n-butyl acrylate.
- the content of graft polymers in (B2) is preferably from 0.5 to 20% by weight, more preferably from 1 to 15% by weight and most preferably from 2 to 10% by weight.
- the inventive graft polymers are advantageously obtainable by the process which is likewise in accordance with the invention, by polymerizing a vinyl ester component (B) composed of vinyl acetate and/or vinyl propionate (B1) and, if desired, a further ethylenically unsaturated monomer (B2), in the presence of a water-soluble polyal- kylene oxide (A), a free radical-forming initiator (C) and, if desired, up to 40% by weight, based on the sum of components (A), (B) and (C), of an organic solvent (D), at a mean polymerization temperature at which the initiator (C) has a decomposition half- life of from 40 to 500 min, in such a way that the fraction of unconverted graft monomer (B) and initiator (C) in the reaction mixture is constantly kept in a quantitative deficiency relative to the polyalkylene oxide (A).
- a vinyl ester component (B) composed of vinyl acetate and/or vinyl propionate
- (B 1 ) from 70 to 100% by weight of vinyl acetate and/or vinyl propionate and (B2) from 0 to 30% by weight of a further ethylenically unsaturated monomer
- the amount of initiator (C) is preferably from 0.2 to 5% by weight, in particular from 0.5 to 3.5% by weight, based in each case on component (B).
- the steady-state concentration of radicals present at the mean polymerization temperature is substantially constant and the graft monomer (B) is present in the reaction mixture constantly only in low concentration (for example of not more than 5% by weight).
- the term "mean polymerization temperature" is intended to mean here that, although the process is substantially isothermal, there may, owing to the exothermicity of the reaction, be temperature variations which are preferably kept within the range of +/- 10°C, more preferably in the range of +/- 5°C.
- the free radical-forming initiator (C) at the mean polymerization temperature should have a decomposition half-life of from 40 to 500 min, preferably from 50 to 400 min and more preferably from 60 to 300 min.
- the initiator (C) and the graft monomer (B) are advantageously added in such a way that a low and substantially constant concentration of undecomposed initiator and graft monomer (B) is present in the reaction mixture.
- the proportion of undecomposed initiator in the overall reaction mixture is preferably ⁇ 15% by weight, in particular ⁇ 10% by weight, based on the total amount of initiator metered in during the monomer addition.
- the mean polymerization temperature is appropriately in the range from 50 to 140°C, preferably from 60 to 120°C and more preferably from 65 to 110 0 C.
- Suitable initiators (C) whose decomposition half-life in the temperature range from 50 to 140°C is from 20 to 500 min are:
- O-C2-Ci2-acylated derivatives of tert-C4-Ci2-alkyl hydroperoxides and tert-(Cg-Ci2- aralkyl) hydroperoxides such as tert-butyl peroxyacetate, tert-butyl monoperoxy- maleate, tert-butyl peroxyisobutyrate, tert-butyl peroxypivalate, tert-butyl per- oxyneoheptanoate, tert-butyl peroxy-2-ethylhexanoate, tert-butyl peroxy-3,5,5- trimethylhexanoate, tert-butyl peroxyneodecanoate, tert-amyl peroxypivalate, tert- amyl peroxy-2-ethylhexanoate, tert-amyl peroxyneodecanoate, 1 ,1 ,3,3-tetramethyl
- examples of particularly suitable initiators (C) are:
- tert-butyl peroxyneoheptanoate tert-butyl peroxyneodecanoate
- tert-amyl per- oxypivalate tert-amyl peroxyneodecanoate
- 1 ,1 ,3,3-tetramethylbutyl peroxyneode- canoate cumyl peroxyneodecanoate
- 1 ,3-di(2-neodecanoyl peroxyisopro- pyl)benzene di(n-butyl) peroxydicarbonate and di(2-ethylhexyl) peroxydicarbonate
- tert-butyl peroxyneoheptanoate tert-butyl peroxyneodecanoate
- tert-amyl per- oxypivalate tert-amyl peroxyneodecanoate
- tert-butyl peroxypivalate tert-butyl peroxyneoheptanoate, tert-butyl peroxyneodecanoate, tert-amyl peroxypivalate and di(2,4-dichlorobenzoyl) peroxide
- tert-butyl peroxypivalate tert-butyl peroxyneoheptanoate
- tert-butyl peroxyneodecanoate tert-amyl peroxypivalate and di(2,4-dichlorobenzoyl) peroxide
- tert-butyl peroxypivalate tert-butyl peroxyneoheptanoate
- tert-amyl peroxypivalate dipropionyl peroxide
- dicapryloyl peroxide didecanoyl peroxide
- dilauroyl peroxide di(2,4-dichlorobenzoyl) peroxide and 2,5-dimethy[-2,5- di(2-ethy!hexanoyiperoxy)hexane
- 2,5-dimethy[-2,5- di(2-ethy!hexanoyiperoxy)hexane 2,5-dimethy[-2,5- di(2-ethy!hexanoyiperoxy)hexane
- tert-butyl peroxyisobutyrate tert-butyl peroxy-2-ethylhexanoate
- tert-butyl peroxyisobutyrate tert-butyl peroxy-2-ethylhexanoate
- tert-butyl monop- eroxymaleate tert-amyl peroxy-2-ethylhexanoate
- dibenzoyl peroxide and di(4- methylbenzoyl) peroxide tert-butyl peroxyisobutyrate, tert-butyl peroxy-2-ethylhexanoate, tert-butyl monop- eroxymaleate, tert-amyl peroxy-2-ethylhexanoate, dibenzoyl peroxide and di(4- methylbenzoyl) peroxide;
- Preferred initiators (C) are O-C4-Ci2-acylated derivatives of tert-C4-C5-alkyl hydroperoxides, particular preference being given to tert-butyl peroxypivalate and tert-butyl per- oxy-2-ethylhexanoate.
- Particularly advantageous polymerization conditions can be established effortlessly by precise adjustment of initiator (C) and polymerization temperature.
- the preferred mean polymerization temperature in the case of use of tert-butyl peroxypivalate is from 60 to 80°C, and, in the case of tert-butyl peroxy-2-ethylhexanoate, from 80 to 100 0 C.
- the inventive polymerization reaction can be carried out in the presence of small amounts of an organic solvent (D). It is of course also possible to use mixtures of different solvents (D). Preference is given to using water-soluble or water-miscible solvents.
- a solvent (D) used as a diluent, generally from 1 to 40% by weight, preferably from 1 to 35% by weight, more preferably from 1.5 to 30% by weight, most preferably from 2 to 25% by weight, based in each case on the sum of the components (A), (B) and (C), are used.
- Suitable solvents (D) include:
- monohydric alcohols preferably aliphatic Ci-Ci6-alcohols, more preferably aliphatic C2-Ci2-alcohols, most preferably C2-C4-alcohols, such as ethanol, propanol, iso- propanol, butanol, sec-butanol and tert-butanol; polyhydric alcohols, preferably C2-Cio-diols, more preferably C2-C6-diols, most preferably C2-C4-alkylene glycols, such as ethylene glycol and propylene glycol; alkylene glycol ethers, preferably alkylene glycol mono(Ci-Ci2-alkyl) ethers and alkylene glycol di(Ci-C6-alkyl) ethers, more preferably alkylene glycol mono- and di(Ci-C2-alkyl) ethers, most preferably alkylene glycol mono(Ci-C2-alkyl) ethers
- the solvents (D) are advantageously those solvents, which are also used to formulate the inventive graft polymers for use (for example in washing and cleaning compositions) and can therefore remain in the polymerization product.
- Preferred examples of these solvents are polyethylene glycols having 2-15 ethylene glycol units, polypropylene glycols having 2-6 propylene glycol units and in particular alkoxylation products of C ⁇ -Cs-alcohols (alkylene glycol monoalkyl ethers and polyal- kylene glycol monoalkyl ethers).
- alkoxylation products of Cs-Ci ⁇ -alcohols with a high degree of branching which allow the formulation of polymer mixtures which are free-flowing at 40-70°C and have a very low polymer content at comparatively low viscosity.
- the branching may be present in the alkyl chain of the alcohol and/or in the polyalkoxylate moiety (copolymerization of at least one propylene oxide, butylene oxide or isobutylene oxide unit).
- alkoxylation products are 2-ethylhexanol or 2-propylheptanol alkoxylated with 1-15 mol of ethylene oxide, C13/C15 OXO alcohol or C12/C14 or CWC-is fatty alcohol alkoxylated with 1-15 mol of ethylene oxide and 1-3 mol of propylene oxide, preference being given to 2-propylheptanol alkoxylated with 1-15 mol of ethylene oxide and 1-3 mol of propylene oxide.
- polyalkylene oxide (A), graft monomer (B1 ) and, if appropriate, (B2), initiator (C) and, if appropriate, solvent (D) are heated to the selected mean polymerization temperature in a reactor.
- the polymerization is carried out in such a way that an ex- cess of polymer (polyalkylene oxide (A) and formed graft polymer) is constantly present in the reactor.
- the quantitative ratio of polymer to ungrafted monomer and initiator is generally > 10:1 , preferably > 15:1 and more preferably > 20:1.
- the polymerization process according to the invention can in principle be carried out in various reactor types.
- the reactor used is preferably a stirred tank in which the polyalkylene oxide (A), if appropriate together with portions, of generally up to 15% by weight of the particular total amount, of graft monomers (B), initiator (C) and solvent (D), are initially charged fully or partly and heated to the polymerization temperature, and the remaining amounts of (B), (C) and, if appropriate, (D) are metered in, preferably separately.
- the remaining amounts of (B), (C) and, if appropriate, (D) are metered in preferably over a period of > 2 h, more preferably of > 4 h and most preferably of > 5 h.
- the entire amount of polyalkylene oxide (A) is initially charged as a melt and the graft monomers (B1 ) and, if appropriate, (B2), and also the initiator (C) present preferably in the form of a from 10 to 50% by weight solution in one of the solvents (D), are metered in, the temperature being controlled such that the selected polymerization temperature, on average during the polymerization, is maintained with a range of especially +/- 10°C, in particular +/- 5°C.
- the procedure is as described above, except that solvent (D) is metered in during the polymerization in order to limit the viscosity of the reaction mixture. It is also possible to commence with the metered addition of the solvent only at a later time with advanced polymerization, or to add it in portions.
- the polymerization can be effected under standard pressure or at reduced or elevated pressure.
- the boiling point of the monomers (B) or of any diluent (D) used is ex- ceeded at the selected pressure, the polymerization is carried out with reflux cooling.
- the inventive graft polymers have particularly favorable interface properties. They can be used advantageously in washing and cleaning compositions, where they support the removal of hydrophobic soils from tex- tile or hard surfaces by the surfactants and thus improve the washing and cleaning performances of the formulations. Moreover, they bring about better dispersion of the removed soil in the washing or cleaning liquor and prevent its redeposition onto the surfaces of the washed or cleaned materials.
- the inventive laundry detergents and cleaning compositions of the present invention comprise generally from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight and more preferably from 0.25 to 2.5% by weight, based on the particular overall com- position, of the amphiphilic graft polymers of the present invention.
- the laundry detergents and cleaning compositions generally comprise surfactants and, if appropriate, other polymers as washing substances, builders and further customary ingredients, for example cobuilders, complexing agents, bleaches, standardizers, graying inhibitors, dye transfer inhibitors, enzymes and perfumes.
- amphiphilic graft polymers of the present invention may be utilized in laundry detergents or cleaning compositions comprising a surfactant system comprising C10-C15 alkyl benzene sulfonates (LAS) and one or more co-surfactants selected from nonionic, cationic, anionic or mixtures thereof.
- LAS alkyl benzene sulfonates
- co-surfactant selected from nonionic, cationic, anionic or mixtures thereof.
- co-surfactant may be dependent upon the desired benefit.
- the co-surfactant is selected as a non- ionic surfactant, preferably C12-C18 alkyl ethoxylates.
- the co- surfactant is selected as an anionic surfactant, preferably C10-C18 alkyl alkoxy sulfates (AE x S) wherein x is from 1-30.
- the co-surfactant is selected as a cationic surfactant, preferably dimethyl hydroxyethyl lauryl ammonium chloride.
- the surfactant system comprises C10-C15 alkyl benzene sulfonates (LAS)
- LAS is used at levels ranging from about 9% to about 25%, or from about 13% to about 25%, or from about 15% to about 23% by weight of the composition.
- the surfactant system may comprise from 0% to about 7%, or from about 0.1 % to a- bout 5%, or from about 1 % to about 4% by weight of the composition of a co-surfactant selected from a nonionic co-surfactant, cationic co-surfactant, anionic co-surfactant and any mixture thereof.
- Non-limiting examples of nonionic co-surfactants include: C12-C18 alkyl ethoxylates, such as, NEODOL® nonionic surfactants from Shell; C6-C12 alkyl phenol alkoxylates wherein the alkoxylate units are a mixture of ethyleneoxy and propyleneoxy units; C12- C18 alcohol and C6-C12 alkyl phenol condensates with ethylene oxide/propylene oxide block alkyl polyamine ethoxylates such as PLURONIC® from BASF; C14-C22 mid-chain branched alcohols, BA, as discussed in US 6,150,322; C14-C22 mid-chain branched alkyl alkoxylates, BAE x , wherein x is from 1-30, as discussed in US 6,153,577, US 6,020,303 and US 6,093,856; Alkylpolysaccharides as discussed in U.S.
- Non-limiting examples of semi-polar nonionic co-surfactants include: water-soluble a- mine oxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and 2 moieties selected from the group consisting of alkyl moieties and hydroxyalkyl moieties containing from about 1 to about 3 carbon atoms; water-soluble phosphine oxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and 2 moieties selected from the group consisting of alkyl moieties and hydroxyalkyl moieties containing from about 1 to about 3 carbon atoms; and water-soluble sulfoxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and a moiety selected from the group consisting of alkyl moieties and hydroxyalkyl moieties of from about 1 to about 3 carbon atoms. See WO 01/32816, US 4,681 ,704, and US 4,133,779.
- Non-limiting examples of cationic co-surfactants include: the quaternary ammonium surfactants, which can have up to 26 carbon atoms include: alkoxylate quaternary ammonium (AQA) surfactants as discussed in US 6,136,769; dimethyl hydroxyethyl quaternary ammonium as discussed in 6,004,922; dimethyl hydroxyethyl lauryl ammonium chloride; polyamine cationic surfactants as discussed in WO 98/35002, WO 98/35003, WO 98/35004, WO 98/35005, and WO 98/35006; cationic ester surfactants as discussed in US Patents Nos. 4,228,042, 4,239,660 4,260,529 and US 6,022,844; and amino surfactants as discussed in US 6,221 ,825 and WO 00/47708, specifically amido propyldimethyl amine (APA).
- AQA alkoxylate quaternary ammonium
- APA
- the present invention may also relates to compositions comprising the inventive am- phiphilic graft polymers and a surfactant system comprising Cs-C-is linear alkyl sulpho- nate surfactant and a co-surfactant.
- compositions can be in any form, namely, in the form of a liquid; a solid such as a powder, granules, agglomerate, paste, tablet, pouches, bar, gel; an emulsion; types delivered in dual-compartment containers; a spray or foam detergent; premoistened wipes (i.e., the cleaning composition in combination with a nonwoven material such as that discussed in US 6,121 ,165, Mackey, et al.); dry wipes (i.e., the cleaning composition in combination with a nonwoven materials, such as that discussed in US 5,980,931 , Fowler, et al.) activated with water by a consumer; and other homogeneous or multiphase consumer cleaning product forms.
- a liquid a solid such as a powder, granules, agglomerate, paste, tablet, pouches, bar, gel
- an emulsion types delivered in dual-compartment containers
- a spray or foam detergent i.e.
- the cleaning composition of the present invention is a liquid or solid laundry detergent composition.
- the cleaning composition of the present invention is a hard surface cleaning composition, preferably wherein the hard surface cleaning composition impregnates a nonwoven substrate.
- impregnate means that the hard surface cleaning composition is placed in contact with a nonwoven substrate such that at least a portion of the nonwoven substrate is penetrated by the hard surface cleaning composition, preferably the hard surface cleaning composition saturates the nonwoven substrate.
- the cleaning composition may also be utilized in car care compositions, for cleaning various surfaces such as hard wood, tile, ceramic, plastic, leather, metal, glass.
- This cleaning composition could be also designed to be used in a personal care and pet care compositions such as shampoo composition, body wash, liquid or solid soap and other cleaning composition in which surfactant comes into contact with free hardness and in all compositions that require hardness tolerant surfactant system, such as oil drilling compositions.
- a personal care and pet care compositions such as shampoo composition, body wash, liquid or solid soap and other cleaning composition in which surfactant comes into contact with free hardness and in all compositions that require hardness tolerant surfactant system, such as oil drilling compositions.
- the cleaning composition is a dish cleaning composition, such as liquid hand dishwashing compositions, solid automatic dishwashing compositions, liquid automatic dishwashing compositions, and tab/unit does forms of automatic dishwashing compositions.
- cleaning compositions herein such as laundry detergents, laundry de- tergent additives, hard surface cleaners, synthetic and soap-based laundry bars, fabric softeners and fabric treatment liquids, solids and treatment articles of all kinds will require several adjuncts, though certain simply formulated products, such as bleach additives, may require only, for example, an oxygen bleaching agent and a surfactant as described herein.
- suitable laundry or cleaning adjunct materi- als can be found in WO 99/05242.
- Common cleaning adjuncts include builders, enzymes, polymers not discussed above, bleaches, bleach activators, catalytic materials and the like excluding any materials already defined hereinabove.
- Other cleaning adjuncts herein can include suds boost- ers, suds suppressors (antifoams) and the like, diverse active ingredients or specialized materials such as dispersant polymers (e.g., from BASF Corp.
- the present invention includes a method for cleaning a targeted surface.
- targeted surface may include such surfaces such as fabric, dishes, glasses, and other cooking surfaces, hard surfaces, hair or skin.
- hard surface includes hard surfaces being found in a typical home such as hard wood, tile, ceramic, plastic, leather, metal, glass.
- Such method includes the steps of contacting the com- position comprising the modified polyol compound, in neat form or diluted in wash liquor, with at least a portion of a targeted surface then optionally rinsing the targeted surface.
- the targeted surface is subjected to a washing step prior to the aforementioned optional rinsing step.
- washing includes, but is not limited to, scrubbing, wiping and mechanical agitation.
- the cleaning compositions of the present invention are ideally suited for use in home care (hard surface cleaning compositions) and/or laundry applications.
- composition solution pH is chosen to be the most complimentary to a target surface to be cleaned spanning broad range of pH, from about 5 to about 11.
- For personal care such as skin and hair cleaning pH of such composition preferably has a pH from about 5 to about 8 for laundry cleaning compositions pH of from about 8 to about 10.
- the compositions are preferably employed at concentrations of from about 200 ppm to about 10,000 ppm in solution.
- the water temperatures preferably range from about 5 0 C to about 100 0 C.
- the compositions are preferably employed at concentrations from about 200 ppm to about 10000 ppm in solution (or wash liquor).
- the water temperatures preferably range from about 5 0 C to about 6O 0 C.
- the water to fabric ratio is preferably from about 1 :1 to about 20:1.
- non- woven substrate can comprise any conventionally fashioned nonwoven sheet or web having suitable basis weight, caliper (thickness), absorbency and strength characteristics.
- suitable commercially available nonwoven substrates include those marketed under the tradename SONTARA® by DuPont and POLYWEB® by James River Corp.
- the cleaning compositions of the present invention are ideally suited for use in liquid dish cleaning compositions.
- the method for using a liquid dish composition of the present invention comprises the steps of contacting soiled dishes with an effective amount, typically from about 0.5 ml. to about 20 ml. (per 25 dishes being treated) of the liquid dish cleaning composition of the present invention diluted in water. Examples
- the K values reported below were measured in 3% by weight aqueous NaCI solution at 23°C and a polymer concentration of 1 % by weight.
- the mean molar masses and polydispersities were determined by gel permeation chromatography using a 0.5% by weight LiBr solution in dimethylacetamide as the elu- ent and of polymethyl methacrylate (PMMA) as the standard.
- the degrees of branching were determined by 13 C NMR spectroscopy in deuterated dimethyl sulfoxide from the integrals of the signals of the graft sites and the -Chfe- groups of the polyethylene glycol.
- the values reported relate to all of the polyethylene glycol present in the product, i.e. including ungrafted polyethylene glycol, and correspond to the number of side chains present on average per polyethylene glycol.
- a polymerization vessel equipped with stirrer and reflux condenser was initially charged with 480 g of polyethylene glycol (M n 12 000) under a nitrogen atmosphere and melted at 70 0 C.
- the resulting graft polymer had a K value of 28.4, a polydispersity of 1.8 (M w 36 900, M n 21 000) and a degree of branching of 0.8% (corresponds to 0.15 graft site/50 EO units).
- Graft polymer 2
- a polymerization vessel equipped with stirrer and reflux condenser was initially charged with 400 g of polyethylene glycol (M n 9000) under a nitrogen atmosphere and melted at 85°C.
- the resulting graft polymer had a K value of 24.0, a polydispersity of 1.9 (M w 37 000, M n 19 500) and a degree of branching of 0.8% (corresponds to 0.20 graft site/50 EO units).
- a polymerization pressure vessel equipped with stirrer and reflux condenser was initially charged with 1000 g of polyethylene glycol (M n 6000) under a nitrogen atmos- phere and melted at 90°C.
- the resulting graft polymer had a K value of 19.6, a polydispersity of 1.9 (M w 35 700, M n 18 800) and a degree of branching of 0.9% (corresponds to 0.33 graft site/50 EO units).
- a polymerization vessel equipped with stirrer and reflux condenser was initially charged with 480 g of polyethylene glycol (M n 12 000) under a nitrogen atmosphere and melted at 70 0 C.
- the resulting graft polymer had a K value of 29.1 , a polydispersity of 1.9 (M w 35 500, Mn 18 400) and a degree of branching of 0.7% (corresponds to 0.13 graft site/50 EO units).
- a polymerization pressure vessel equipped with stirrer and reflux condenser was initially charged with 1 175 g of polyethylene glycol (M n 4000) under a nitrogen atmosphere and melted at 90°C.
- the resulting graft polymer had a K value of 17.9, a polydispersity of 2.3 (M w 26 800, Mn 1 1 700) and a degree of branching of 0.6% (corresponds to 0.33 graft site/50 EO units).
- a polymerization pressure vessel equipped with stirrer and reflux condenser was initially charged with 444 g of polyethylene glycol (M n 6000) under a nitrogen atmosphere and melted at 90 0 C.
- Residue amounts of vinyl acetate were removed by vacuum distillation at 90°C. Sub- sequently, a solids content of 86.9% by weight was established by adding water.
- the resulting graft polymer had a K value of 17.6, a polydispersity of 1.8 (M w 35 700, M n 20 000) and a degree of branching of 0.9% (corresponds to 0.33 graft site/50 EO units).
- amphiphilic graft polymer or any mixture of polymers according to any of Examples 1 , 2, 3, 4, 5 or 6.
- Example 8 Granular Laundry Detergent Aqueous slurry composition.
- An aqueous slurry having the composition as described above is prepared having a moisture content of 25.89%.
- the aqueous slurry is heated to 72 0 C and pumped under high pressure (from 5.5x10 6 Nm" 2 to 6.OxIO 6 Nm" 2 ), into a counter current spray-drying tower with an air inlet temperature of from 27O 0 C to 300 0 C.
- the aqueous slurry is atomised and the atomised slurry is dried to produce a solid mixture, which is then cooled and sieved to remove oversize material (>1.8mm) to form a spray-dried powder, which is free-flowing.
- Fine material ( ⁇ 0.15mm) is elutriated with the exhaust the exhaust air in the spray-drying tower and collected in a post tower containment system.
- the spray- dried powder has a moisture content of 1.0wt%, a bulk density of 427g/l and a particle size distribution such that 95.2wt% of the spray-dried powder has a particle size of from 150 to 710 micrometers.
- the composition of the spray-dried powder is given below. Spray-dried powder composition.
- the anionic detersive surfactant particle 1 is made on a 52Og batch basis using a TiIt- A-Pin then Tilt-A-Plow mixer (both made by Processall). 108g sodium sulphate sup- plied is added to the Tilt-A-Pin mixer along with 244g sodium carbonate. 168g of 70% active C25E3S paste (sodium ethoxy sulphate based on C12/15 alcohol and ethylene oxide) is added to the Tilt-A-Pin mixer. The components are then mixed at 1200rpm for 10 seconds. The resulting powder is then transferred into a Tilt-A-Plow mixer and mixed at 200rpm for 2 minutes to form particles.
- the particles are then dried in a fluid bed dryer at a rate of 2500l/min at 12O 0 C until the equilibrium relative humidity of the particles is less than 15%.
- the dried particles are then sieved and the fraction through 1 180 ⁇ m and on 250 ⁇ m is retained.
- the composition of the anionic detersive surfactant particle 1 is as follows: 25.0%w/w C25E3S sodium ethoxy sulphate 18.0%w/w sodium sulphate 57.0%w/w sodium carbonate
- the cationic surfactant particle 1 is made on a 14.6kg batch basis on a Morton FM-50 Loedige mixer. 4.5kg of micronised sodium sulphate and 4.5kg micronised sodium car- bonate are premixed in the Morton FM-50 Loedige mixer. 4.6kg of 40% active mono- C12-14 alkyl mono-hydroxyethyl di-methyl quaternary ammonium chloride (cationic surfactant) aqueous solution is added to the Morton FM-50 Loedige mixer whilst both the main drive and the chopper are operating. After approximately two minutes of mixing, a 1.Okg 1 :1 weight ratio mix of micronised sodium sulphate and micronised sodium car- bonate is added to the mixer.
- the resulting agglomerate is collected and dried using a fluid bed dryer on a basis of 2500l/min air at 100-140 0 C for 30 minutes.
- the resulting powder is sieved and the fraction through 1400 ⁇ m is collected as the cationic surfactant particle 1.
- the composition of the cationic surfactant particle 1 is as follows: 15 %w/w mono-Ci2-i4 alkyl mono-hydroxyethyl di-methyl quaternary ammonium chloride
- amphiphilic graft polymer or any mixture of polymers according to any of Examples 1 , 2, 3, 4, 5 or 6.
- amphiphilic graft polymer or any mixture of polymers according to any of Examples 1 , 2, 3, 4, 5 or 6.
- Nonionic may be either Cu Alkyl ethoxylated surfactant containing 9 ethoxy groups.
- 3 1 ,3, BAC is 1 ,3 bis(methylamine)-cyclohexane.
- amphiphilic graft polymer or any mixture of polymers according to any of Examples 1 , 2, 3, 4, 5 or 6.
- ACUSOL® 445N available from Rohm & Haas or ALCOSPERSE® from Alco.
- component or composition levels are in reference to the active level of that component or composition, and are exclusive of impurities, for example, residual solvents or by-products, which may be present in commercially available sources.
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Detergent Compositions (AREA)
- Graft Or Block Polymers (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polyethers (AREA)
- Steroid Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
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US12/302,386 US8519060B2 (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
JP2009512580A JP2009538946A (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
MX2008014819A MX2008014819A (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters. |
CN2007800198078A CN101454364B (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
AT07729619T ATE474868T1 (en) | 2006-05-31 | 2007-05-29 | AMPHIPHILIC GRAFTING POLYMERS BASED ON POLYALKYLENE OXIDES AND VINYL ESTERS |
EP07729619A EP2029645B1 (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
BRPI0712159-8A BRPI0712159B1 (en) | 2006-05-31 | 2007-05-29 | Amphiphilic Graft Polymer, and Process for Preparing Graft Polymers |
CA2653880A CA2653880C (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
DE602007007945T DE602007007945D1 (en) | 2006-05-31 | 2007-05-29 | AMPHIPHILYPROPOLYMERS BASED ON POLYALKYLENE OXIDES AND VINYL REAGENTS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP06114756.7 | 2006-05-31 | ||
EP06114756 | 2006-05-31 |
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WO2007138053A1 true WO2007138053A1 (en) | 2007-12-06 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2007/055198 WO2007138054A1 (en) | 2006-05-31 | 2007-05-29 | Cleaning compositions with amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
PCT/EP2007/055197 WO2007138053A1 (en) | 2006-05-31 | 2007-05-29 | Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
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PCT/EP2007/055198 WO2007138054A1 (en) | 2006-05-31 | 2007-05-29 | Cleaning compositions with amphiphilic graft polymers based on polyalkylene oxides and vinyl esters |
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US (2) | US8143209B2 (en) |
EP (2) | EP2029645B1 (en) |
JP (2) | JP2009538946A (en) |
KR (1) | KR20090023374A (en) |
CN (2) | CN101454364B (en) |
AT (2) | ATE474868T1 (en) |
BR (2) | BRPI0711719B1 (en) |
CA (2) | CA2650067C (en) |
DE (2) | DE602007007945D1 (en) |
EG (1) | EG25183A (en) |
ES (2) | ES2349321T5 (en) |
MX (2) | MX2008014819A (en) |
RU (1) | RU2413756C2 (en) |
WO (2) | WO2007138054A1 (en) |
ZA (1) | ZA200808921B (en) |
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