WO2011107440A1 - Modificateurs de rhéologie associatifs anioniques - Google Patents

Modificateurs de rhéologie associatifs anioniques Download PDF

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WO2011107440A1
WO2011107440A1 PCT/EP2011/052955 EP2011052955W WO2011107440A1 WO 2011107440 A1 WO2011107440 A1 WO 2011107440A1 EP 2011052955 W EP2011052955 W EP 2011052955W WO 2011107440 A1 WO2011107440 A1 WO 2011107440A1
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weight
monomer
alkyl
meth
acid
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PCT/EP2011/052955
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English (en)
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Son Nguyen Kim
Ina Fast
Rolf Werner
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Basf Se
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Priority to KR1020127022759A priority Critical patent/KR20130019373A/ko
Priority to EP11705888A priority patent/EP2542598A1/fr
Priority to CA2791200A priority patent/CA2791200A1/fr
Priority to RU2012141628/04A priority patent/RU2012141628A/ru
Priority to JP2012555385A priority patent/JP5478742B2/ja
Priority to CN2011800115230A priority patent/CN102781983A/zh
Publication of WO2011107440A1 publication Critical patent/WO2011107440A1/fr

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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
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/02—Preparations for cleaning the hair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • 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
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C08F226/10—N-Vinyl-pyrrolidone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/48—Thickener, Thickening system
    • 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
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • 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
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
    • C08F220/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
    • 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
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen

Definitions

  • Anionic associative rheology modifiers Description The present invention relates to new associative rheology modifiers, their manufacture and application.
  • thickeners are additives, so-called thickeners.
  • customary low molecular weight thickeners are, for example, alkali metal and aluminum salts of fatty acids, fatty alcohols or waxes.
  • the use of known thickeners is often associated with disadvantages.
  • the thickening effect of such thickeners may not be satisfactory or their incorporation into the preparation may be hindered or completely impossible, for example due to incompatibility.
  • the provision of products with a complex profile of properties using the lowest possible fraction or the fewest possible different active substances often presents difficulties.
  • polymeric thickeners allow the viscosity to be adjusted depending on the polymers' molecular weight.
  • One disadvantage which often arises when using polymers as thickeners for preparing more highly viscous or gel-like preparations is that as the molecular weight of the polymer increases, its incorporation into the cosmetic composition generally becomes more difficult, and that ultimately often only swelling of the polymer is observed instead of the desired solution.
  • Polymeric rheology modifiers may be classified as either naturally, or synthetically derived products. Examples of the former include starch, cellulose, alginate, and proteins. These naturally occurring polymers incorporate building blocks of
  • acrylic-based synthetic polymers comprise a group of products that have been utilized as rheology modifiers in various applications for many years.
  • the first class is based on homopolymers of (meth)acrylic acid and copolymers of (meth)acrylic acid, (meth)acrylate esters, and maleic acid, among many others. This group is typically referred to as the alkali swellable (or soluble) emulsions (ASE).
  • HASE hydrophobically modified, alkali swellable emulsions
  • HEUR hydrophobically modified, ethoxylated urethane resins
  • WO 93/22358 describes copolymers obtainable by free-radical polymerization of A) 50-99.99% by weight of an olefinically unsaturated C3-C5 monocarboxylic acid, of an olefinically unsaturated C4-C8 dicarboxylic acid or the anhydride thereof or a mixture of such carboxylic acids or anhydrides with B) 0.1 -29.95% by weight of an olefinically unsaturated quaternary ammonium compound of the formula I or II
  • R 1 is C6-C20 -alkyl, C6-C20 -alkenyl, C5 -Cs-cycloalkyl, phenyl, phenyl(Ci-Ci2- alkyl) or (Ci-Ci2-alkyl)phenyl
  • R 2 is hydrogen, methyl or phenyl
  • R 3 and R 4 are each H or C1-C4 -alkyl
  • X is halogen, Ci-C4-alkoxysulfonyloxy or Ci-C4-alkanesulfonate, it also being possible for the latter to occur as R 3 or R 4 with the formation of a betaine structure
  • Y is O or NH
  • A is C1-C6 -alkylene, or a mixture of such ammonium com- pounds, C) 0 to 49.99% by weight of an acrylate or methacrylate of the formula III
  • H 2 C C C C Y ( CH CH 2 o ) n
  • WO 00/39176 (BF Goodrich) describes a hydrophilic ampholytic polymer formed by copolymerization of 0.05 to 20 mole percent of an anionic monomer having at least one carboxyfunctional group, 10 to 45 mole percent of a cationic monomer having at least one aminofunctional group, 35 to 95 mole percent of a nonionic hydrophilic monomer, 0 to 10 mole percent of a hydrophobic monomer and 0 to 1.5 mole percent of a crosslink- ing monomer, and wherein the monomers are selected so as to provide the copolymer with a glass transition temperature of above about 50°C and the cationic monomer and the anionic monomer are present in a ratio of from about 2 to about 16.
  • WO 01/62809 (BASF) describes cosmetic compositions comprising at least one water- soluble or water-dispersible polymer which comprises, in incorporated form, a) 5 to 50% by weight of at least one ⁇ , ⁇ -ethylenically unsaturated monomer of the formula I
  • R 1 is hydrogen or Ci- to Ce-alkyl
  • X 1 is O or NR 2
  • R 2 is hydrogen, Ci- to Cs-alkyl or Cs-to Cs-cycloalkyl
  • R 3 is hydrogen or Ci- to Cs-alkyl
  • X 2 is O or NR 5
  • R 5 is hydrogen Ci- to Cs-alkyl or Cs-to Cs-cycloalkyl
  • R 4 is hydrogen or a linear Ci- to C22-alkyl radical and the salts thereof.
  • WO 03/053381 describes cosmetic compositions which comprise at least one water-soluble or water-dispersible copolymer which is obtainable by free-radical co- polymerization of at least one N-vinyllactam, at least one anionogenic monomer and optionally further ⁇ , ⁇ -ethylenically unsaturated compounds copolymerizable therewith, in the presence of a polymer component with repeat units which have ether groups or which are derived from vinyl alcohol.
  • WO 2006/044193 and US 2007/0231286 A1 (ISP) describe a rheology modi- fier/hair styling resin which is a crosslinked, linear polyvinyl amide/polymerizable car- boxylic acid) copolymer and its use in color cosmetic compositions.
  • WO 2007/010035 A1 describes the use of an anionic or cationic ampholytic copolymer which is obtainable by free-radical copolymerization of a1 ) at least one compound having a free-radically polymerizable, ⁇ , ⁇ -ethylenically unsaturated double bond and at least one anionogenic and/or anionic group per molecule, a2) at least one compound having a free-radically polymerizable, ⁇ , ⁇ -ethylenically unsaturated double bond and at least one cationogenic and/or cationic group per molecule, b) at least one free-radically polymerizable crosslinking compound which contains at least two ⁇ , ⁇ - ethylenically unsaturated double bonds per molecule, c) if desired in the presence of at least one silicone compound containing a polyether group and/or a free-radically poly- merizable olefinically unsaturated double bond, as rheology modifiers for compositions in hair cosmetic
  • R and R2 are each hydrogen or methyl
  • x is a positive integer of 5 to 80
  • y is an integer of 0 to 20
  • Ri is alkyl of 1 to 20 carbon atoms or alkyl phenyl where the alkyl group is from 1 to 20 carbon atoms or alkyl phenyl where the alkyl group is from 1 to 20 carbon atoms.
  • US 4,138,381 (Du Pont) describes thickeners comprising a polymer dissolved in a solvent at a concentration up to 50% by weight of the composition, the solvent being at least one glycol and containing during manufacture up to 50% by weight, based on the weight of glycol, of water and the polymer consists essentially of (a) about 10 to 98% by weight of at least one unsaturated carboxylic acid of 3 to 6 carbon atoms, (b) about 1 to 50% by weight of at least one alkyl acrylate or alkyl methacrylate wherein the alkyl group is from 1 to 30 carbon atoms, and (c) about 1 to 85% by weight of at least one ester of the formula wherein R and R2 are each hydrogen or methyl, x is a positive integer of 5 to 80, y is integer of 0 to 20, and Ri is alkyl of 1 to 20 carbon atoms or alkyl phenyl where the alkyl group is from 1 to 20 carbon atoms, the total adding up to 100%.
  • US 5,015,708 describes non-crosslinked precipitation terpolymer products produced by polymerizing a reaction mixture of a vinyl lactam, e.g. vinyl pyrrolidone or vinyl caprolactam, a polymerizable carboxylic acid, e.g. acrylic acid or methacrylic acid, and a hydrophobic monomer, e.g. lauryl methacrylate, in a predetermined compositional range, in the presence of a polymerization initiator, and in an aliphatic hydrocarbon solvent, particularly a C3 -C10 saturated hydrocarbon, which is branched or unbranched, cyclic or acylic, and, preferably, is heptane or cyclohexane.
  • a vinyl lactam e.g. vinyl pyrrolidone or vinyl caprolactam
  • a polymerizable carboxylic acid e.g. acrylic acid or methacrylic acid
  • a hydrophobic monomer e.g. lauryl me
  • US 6,025,431 describes a polymeric rheology modifier (PRM) which has been prepared by polymerizing from about 5 to about 80 weight percent of an acrylate monomer (a) selected from the group consisting of a C1-C6 alkyl ester of acrylic acid and a C1-C6 alkyl ester of methacrylic acid, from about 5 to about 80 weight percent of a monomer (b) selected from the group consisting of a vinyl-substituted heterocyclic compound containing at least one of a nitrogen or a sulfur atom, (meth)acrylamide, a mono- or di- (Ci-C4)alkylamino (Ci-C4)alkyl (meth)acrylate and a mono or di-(Ci-C 4 ) alkylamino (Ci- C 4 )alkyl (meth)acrylamide, and 0 to about 30 weight percent of an acrylate monomer (a) selected from the group consisting of a C1-C6 alkyl este
  • EP 3235 A1 (BASF) describes a water-soluble copolymer which comprises (a) from 80 to 2% by weight of an ethylenically unsaturated C3- to C5-carboxylic acid, acrylamidodim panesulfonicacid, vinylsulfonic acid or vinylphosphoric acid, or of an ester of the formula
  • R is H or -CH3
  • n is from 1 to 4 and R 1 and R 2 are alkyls of 1 to 4 carbon atoms, or of mixtures of the said monomers, and (b) from 20 to 98% by weight of a polymeriz- able ethylenically unsaturated compound of the formula where R 3 is alkyl of 1 to 20 carbon atoms, R 4 is H or -CH3, R 5 is H, n is from 2 to 100 and m is from 0 to 50.
  • EP 1 1806 A1 (Dow Chemical) describes aqueous liquid emulsion polymers prepared by the copolymerization of (A) 15-60 weight percent of a C3-C8 ⁇ , ⁇ -ethylenically unsaturated carboxylic acid monomer, preferably acrylic or methacrylic acid or a mixture thereof with itaconic or fumaric acid, (B) 15-80 weight percent of a nonionic copoly- merizable C2-C12 ⁇ , ⁇ -ethylenically unsaturated monomer, preferably a monovinyl ester such as ethyl acrylate or a mixture thereof with styrene, acrylonitrile, vinyl chloride or vinyl acetate, and (C) 1 -30 weight percent of certain nonionic vinyl surfactant esters, such as nonylphenoxypoly(ethyleneoxy)g ethyl acrylate, to give an emulsion copolymer stable as an aqueous colloidal dispersion at an acid pH
  • EP 1690878 A1 (Rohm & Haas) describes a polymer comprising (a) from 25% to 45% carboxylic acid monomer residues, (b) from 50% to 65% C2 -C 4 alkyl (meth)acrylate residues, (c) from 2% to 20% of residues of at least one of: (i) an alkyl (meth)acrylate, (ii) a vinyl alkanoate, (iii) an N-vinyl alkylamide, and (iv) an N-alkyl (meth)acrylamide, wherein an alkyl group having from 6-18 carbon atoms is present; and (d) from 0.01 % to 2% of residues of at least one crosslinker.
  • WO 2003/061615 describes an aqueous hair setting composition comprising an effective hair setting amount of a rheology modifying hair setting, alkali-swellable and/or alkali-soluble associative polymer which is the polymerization product of a monomer mixture comprising: (a) at least one acidic vinyl monomer or a salt thereof; (b) at least one nonionic vinyl monomer; (c) a first associative monomer having a first hydrophobic end group; (d) at least one monomer selected from the group consisting of a second associative monomer having a second hydrophobic end group, a semihydro- phobic monomer, and a combination thereof; and, optionally, (e) a monomer selected from the group consisting of a crosslinking monomer, a chain transfer agent, and a combination thereof;with the proviso that when monomer (d) is solely selected from a second associative monomer, the first and second hydrophobic end groups of associative polymer which
  • Anionic associative rheologiy modifying polymers are commercially available as e.g. Aculyn ® 22 (I NCI: Acrylates/Steareth-20 Methacrylate Copolymer; a copolymer of the ester of methacrylic acid and Steareth-20 and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters), Aculyn ® 28 (I NCI: Acrylates/Beheneth-25 Methacrylate Copolymer; a copolymer of the ester of methacrylic acid and Beheneth-25 and one or more monomers of acrylic acid, methacrylic acid, or one of their simple esters) , Aculyn ® 88 (I NCI: Acrylates/Steareth-20 Methacrylate Crosspolymer; a copolymer of steareth-20 methacrylate and one or more monomers consisting of acrylic acid, methacrylic acid or one of their simple esters, crosslinked with an allyl
  • H 2 C (CH 2 CH 2 O) k (CH 2 CH(CH 3 )O),
  • k and I independently of one another, are an integer from 0 to 1000, the sum of k and I being at least 5,
  • R 8 is hydrogen or Ci-C4-alkyl, preferably methyl
  • R 9 is Cs-Cso-alkyl, Cs-Cso-alkenyl or C8-C30 alkylaryl, and
  • X is O or a group of the formula NR 10 , in which R 10 is H, alkyl, alkenyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl,
  • # is the bonding site to a group with a free-radically polymerizable, ⁇ , ⁇ -ethylenically unsaturated double bond
  • R a is H or Ci-C 4 -alkyl
  • R b is H or Ci-C -alkyl
  • R a and R b together are (CH 2 )i- 4 , and
  • R c is H or d-Cso-alkyl
  • alkyl comprises straight-chain and branched alkyl groups.
  • Suitable short-chain alkyl groups are, for example, straight- chain or branched Ci-Cz-alkyl groups, preferably Ci-C6-alkyl groups and particularly preferably Ci-C 4 -alkyl groups.
  • Suitable longer-chain Cs-Cso-alkyl groups and Cs-Cso-alkenyl groups are straight-chain and branched alkyl groups and alkenyl groups. Preference is given here to predominantly linear alkyl radicals as also occur in natural or synthetic fatty acids and fatty alcohols and in oxo alcohols, which may, if appropriate, additionally be mono-, di- or polyunsaturated.
  • CycloalkyI is preferably Cs-Cs-cycloalkyl, such as cyclopentyl, cyclohexyl, cycloheptyl or cyclooctyl.
  • Aryl comprises unsubstituted and substituted aryl groups and is preferably phenyl, tolyl, xylyl, mesityl, naphthyl, fluorenyl, anthracenyl, phenanthrenyl, naphthacenyl and in particular phenyl, tolyl, xylyl or mesityl.
  • compounds which are derived from acrylic acid and methacrylic acid may sometimes be referred to in short by adding the syllable "(meth)" to the compound derived from acrylic acid.
  • the polymer comprises as polymerized units of from 25 to 85 % by weight of acrylic acid.
  • the polymer comprises as polymerized units of from 40 to 60 % by weight of acrylic acid.
  • the polymer comprises as polymerized units of from 65 to 75 % by weight of acrylic acid.
  • the polymer comprises as polymerized units of from 10 to 60 % by weight of N-vinyl pyrrolidone.
  • the polymer comprises as polymerized units of from 20 to 50 % by weight of N-vinyl pyrrolidone.
  • the polymer comprises as polymerized units of from 10 to 25 % by weight of N-vinyl pyrrolidone.
  • the polymers according to this invention comprise as polymerized units of from 0.3 to 10 % by weight of at least one cationic monomer.
  • cationic monomer means monomers carrying a cationic charge or monomers carrying groups, prefarably amine groups, that can be cationically charged either by protonation or by quaternization with acids or alkylating agents, respectively.
  • cationic monomer can be used to describe cationically charged monomers as well as monomers that can be cationically charged.
  • monomer c) comprises at least one compound which is chosen from
  • esters of ⁇ , ⁇ -ethylenically unsaturated mono- and dicarboxylic acids with amino alcohols
  • All the aformentioned monomers may be mono- or dialkylated on a suitable amine nitrogen.
  • preferred monomers c) are
  • preferred monomers c) are N-[tert- butylaminoethyl(meth)acrylamide, N-[2-dimethylamino)ethyl]acrylamide, N-[2-
  • DMAPMAM N-[3- (dimethylamino)propyl]methacrylamide
  • a specific embodiment relates to polymers which comprise as monomer c) N-[3-
  • monomer c) (dimethylamino)propyl](meth)acrylamide.
  • monomer c) consists of N-[3-(dimethylamino)propyl](meth)acrylamide.
  • preferred monomers c) are N,N-diallylamines and N,N-diallyl-N-alkylamines.
  • preferred monomers c) are vinyl- and allyl substituted nitrogen heterocycles different from vinylimidazoles, such as 2- and 4- vinylpyridine, 2- and 4-allylpyridine.
  • monomer c) comprises as cationic monomer c) at least one N-vinylimidazole compound of the general formula (II)
  • Ph phenyl
  • monomer c) is selected from N- vinylimidazole and mixtures comprising N-vinylimidazole.
  • a particularly preferred embodiment of the invention relates to polymers in which monomer c) is N-vinylimidazole.
  • the polymer comprises as polymerized units of from 0.3 to 5 % by weight of the at least one cationic monomer c).
  • the polymer comprises as polymerized units of from 0.5 to 3 % by weight of the at least one cationic monomer c).
  • the polymer comprises as polymerized units of from 0.5 to 2 % by weight of the at least one cationic monomer c).
  • the molar ratio between acrylic acid a) and monomer c) is at least 10:1. In another embodiment of the invention the molar ratio between acrylic acid a) and monomer c) is at least 20:1. In still another embodiment of the invention the molar ratio between monomer a) and monomer c) is at least 30:1. In still another embodiment of the invention the molar ratio between monomer a) and monomer c) is at least 40:1.
  • the molar ratio between monomer a) and monomer c) is at most 120:1. In another embodiment of the invention the molar ratio between monomer a) and monomer c) is at most 100:1.
  • the molar ratio between monomer a) and monomer c) is at most 50:1 .
  • the molar ratio between monomer a) and monomer c) is in the range of from 30:1 to 120:1 , more preferred in the range of from 40:1 to 100:1 . In another embodiment of the invention the molar ratio between mono- mer a) and monomer c) is in the range of from 40:1 to 50:1 .
  • the cationogenic and/or cationic groups of the monomer c) are nitrogen- containing groups, such as primary, secondary and tertiary amino groups, and quaternary ammonium groups.
  • the nitrogen-containing groups are preferably tertiary amino groups or quaternary ammonium groups.
  • Charged cationic groups can be produced from the amine nitrogens either by protonation with acids or by quaternization with alkylating agents.
  • the acids include, for example, carboxylic acids, such as lactic acid, or mineral acids, such as phosphoric acid, sulfuric acid and hydrochloric acid.
  • Alkylating agents are e.g.
  • Ci-C4-alkyl halides or sulfates such as ethyl chloride, ethyl bromide, methyl chloride, methyl bromide, dimethyl sulfate and diethyl sulfate.
  • a protonation or quaternization preferably takes place after the polymerization.
  • monomers c) are co-polymerized in their substantially non-quaternized form and remain non-quaternized after the polymerization.
  • monomers c) are co-polymerized in their substantially non-quaternized form and at least partly quaternized after the polymerization. In still another embodiment of this invention, monomers c) are co-polymerized in their substantially non-quaternized form and completely quaternized after the polymerization.
  • Substantially non-quaternized form of a monomer c) means that at least 90 mole per- cent, preferably at least 95 mole percent, more preferably at least 99 mole percent, still more preferably at least 99.9 mole percent of monomers c) are not quaternized until after the polymerization.
  • after the polymerization means such point in time, when at most 1 weight percent, preferably at most 0.1 weight percent , more preferably at most 0.01 weight percent, still more preferably at most 0.001 weight percent of all initially polymerizable monomers are still in their polymerizable form, i.e. still carrying a monoethylenic un- satu ration.
  • the polymers according to this invention comprise as polymerized units of from 1 to 6 % by weight of at least one of compounds d1 ) or d2).
  • the polymers comprise as polymerized units of from 2 to 4 % by weight of at least one of compounds d1 ) or d2).
  • H 2 C (CH 2 CH 2 O) k (CH 2 CH(CH 3 )O),
  • H 2 C CH CH 2 — O (CH 2 CH 2 O) k (CH 2 CH(CH3)O), R9
  • k and I independently of one another, are an integer from 0 to 1000, the sum of k and I being at least 5,
  • R 8 is hydrogen or Ci-C4-alkyl, preferably methyl
  • R 9 is Cs-Cso-alkyl, Cs-Cso-alkenyl or C8-C30 alkylaryl, and
  • X is O or a group of the formula NR 10 , in which R 10 is H, alkyl, alkenyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl.
  • R 8 is hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, n-pentyl or n-hexyl, particularly preferred hydrogen, methyl or ethyl. Most preferably R 8 is methyl.
  • k is an integer in the range of from 1 to 500, in particular of from 3 to 250 and I is an integer in the range of from 0 to 100.
  • R 9 of monomers d1 ) and d2) is selected from n-octyl, 1 ,1 ,3,3-tetramethylbutyl, ethylhexyl, n-nonyl, n-decyl, n-undecyl, tridecyl, myristyl, pentadecyl, palmityl, heptadecyl, octadecyl, nonadecyl, arrachinyl, behenyl, lignocerenyl, cerotinyl, melissinyl, palmitoleinyl, oleyl, linolyl, linolenyl, stearyl, lauryl.
  • R 9 of monomers d1 ) and d2) is selected from palmityl, heptadecyl, octadecyl, nonadecyl, arrachinyl, behenyl and their binary or tertiary mixtures.
  • R 9 of monomers d1 ) and d2) is selected from the binary and tertiary mixtures of the even-numbered alkyl residues like e.g. Ci6, Ci8, C20, and C22.
  • X in formula d1 ) is O or NH.
  • Suitable polyether (meth)acrylates d1 are, for example, the condensation products of (meth)acrylic acid with polyetherols.
  • Suitable polyetherols can be prepared easily by reacting ethylene oxide, 1 ,2-propylene oxide and/or epichlorohydrin with a starter alco- hoi R 9 -OH.
  • the alkylene oxides can be used individually, alternately one after the other or as mixtures.
  • the polyether (meth)acrylates d1 ) can be used on their own or in mixtures for the preparation of the polymers according to the invention.
  • the polymers comprise as polymerized units at least one compound d1 ) chosen from polyether (meth)acrylates terminated with C8-C22- alkyl groups.
  • Preferred monomers d1 ) according to this invention are esters of methacrylic acid with ethoxylated C16-C18 alkyl alcohols, wherein the degree of ethoxylation (k in formula d1 )) is 10 to 40, preferably 20 to 30.
  • the monomers d1 ) are provided as mixtures with methylmethacrylate and/or methacrylic acid.
  • the commercially available C18- PEG 1 100 MA (Plex ® 6877-0, CAS number 70879-51 -5 (APG 1 100 MA), manufacturer: Evonik) is selected as at least one monomer d1 ).
  • monomer d1 can be prepared as described in U.S. Pat. No. 3,708,445 using alcohols and acids described in column 3, lines 36-75. This particular monomer d1 ) is of the formula: wherein R 8 is hydrogen or methyl,
  • k is a positive integer of 5 to 80, preferably 10 to 50, and
  • R 9 is alkyl of 8 to 15 carbon atoms or alkyl phenyl wherein the alkyl group is from 8 to 20 carbon atoms, preferably wherein R 10 is alkyl of 8 to 20 carbon atoms.
  • Suitable allyl alcohol alkoxylates d2) are, for example, the etherification products of allyl chloride with corresponding polyetherols.
  • Suitable polyetherols can be prepared easily by reacting ethylene oxide, 1 ,2-propylene oxide and/or epichlorohydrin with water or a starter alcohol R 9 -OH.
  • the alkylene oxides can be used individually, alternately one after the other or as a mixture.
  • the allyl alcohol alkoxylates d2) can be used on their own or in mixtures for the preparation of the polymers according to this invention.
  • the polymers according to this invention comprise in copolymerized form of from 0.01 to 2 % by weight of at least one crosslinking agent e) (crosslinker).
  • crosslink- ers are compounds with at least two polymerizable, ethylenically unsaturated, noncon- jugated double bonds.
  • Suitable crosslinkers e) are e.g. (meth)acrylic esters, allyl ethers or vinyl ethers of at least dihydric alcohols.
  • the OH groups of the parent alcohols here may be completely or partially etherified or esterified; however, the crosslinkers comprise at least two ethylenically unsaturated groups.
  • Examples of the parent alcohols are dihydric alcohols, such as 1 ,2-ethanediol,
  • ethylene oxide and propylene oxide Apart from the homopolymers of ethylene oxide and propylene oxide also block copolymers of ethylene oxide or propylene oxide or copolymers which comprise incorporated ethylene oxide and propylene oxide groups can be used.
  • parent alcohols with more than two OH groups are trimethylolpropane, glycerol, pentaerythri- tol, 1 ,2,5-pentanetriol, 1 ,2,6-hexanetriol, triethoxycyanuric acid, sorbitan, sugars, such as sucrose, glucose, mannose.
  • the polyhydric alcohols can also be used following reaction with ethylene oxide or propylene oxide as the corresponding ethoxylates or propoxylates.
  • the polyhydric alcohols can also firstly be converted into the corresponding glycidyl ethers by reaction with epichlorohydrin. Preference is given to ethylene glycol di(meth)acrylate and polyethylene glycol di(meth)acrylates.
  • crosslinkers e) are the vinyl esters or the esters of monohydric, unsaturated alcohols with ethylenically unsaturated C3-C6-carboxylic acids, for example acrylic acid, methacrylic acid, itaconic acid, maleic acid or fumaric acid.
  • examples of such alcohols are allyl alcohol, 1 -buten-3-ol, 5-hexen-1 -ol, 1 -octen-3-ol, 9-decen-1 -ol, dicy- clopentenyl alcohol, 10-undecen-1 -ol, cinnamyl alcohol, citronellol, crotyl alcohol or cis- 9-octadecen-1 -ol.
  • esterify the mono-hydric, unsaturated alcohols with polybasic carboxylic acids for example malonic acid, tartaric acid, trimel- litic acid, phthalic acid, terephthalic acid, citric acid or succinic acid.
  • crosslinkers e) are esters of unsaturated carboxylic acids with the above-described polyhydric alcohols, for example of oleic acid, crotonic acid, cinnamic acid or 10-undecenoic acid.
  • Suitable crosslinkers e) are also straight-chain or branched, linear or cyclic, aliphatic or aromatic hydrocarbons which have at least two double bonds which, in the case of aliphatic hydrocarbons, must not be conjugated, e.g.
  • divinylbenzene divinyltoluene, 1 ,7- octadiene, 1 ,9-decadiene, 4-vinyl-1 -cyclohexene, trivinylcyclohexane or polybutadienes with molecular weights of from 200 to 20000.
  • crosslinkers e are the acrylamides, methacrylamides and
  • N-allylamines of at least difunctional amines are, for example,
  • N-vinyl compounds of urea derivatives at least difunctional amides, cyanurates or urethanes, for example of urea, ethyleneurea, propyleneurea or tar- tardiamide, e.g. ⁇ , ⁇ '-divinylethyleneurea or N,N'-divinylpropyleneurea.
  • crosslinkers e) are divinyldioxane, tetraallylsilane or tetravinylsilane.
  • crosslinker e) is at least one of ethylene glycol di(meth)acrylate, polyethylene glycol di(meth)acrylates, pentaerythritol triallyl ether, methylenebisacrylamide, ⁇ , ⁇ '-divinylethyleneurea, triallylamine and triallylmonoalkylammonium salts.
  • crosslinker e) is or comprises pentaerythritol triallyl ether (PETAE, CAS No. 1471 -17-6).
  • the polymers of this invention comprise as polymerized units of from 0.2 to 5 % by weight of at least one further monomer f) comprising a group of formula (I)
  • # is the bonding site to a group with a free-radically polymerizable, ⁇ , ⁇ -ethylenically unsaturated double bond
  • R a is H or Ci-C 4 -alkyl
  • R b is H or Ci-C 4 -alkyl
  • R a and R b together are (CH 2 )i- 4 , and
  • R c is H or d-Cso-alkyl.
  • the at least one monomer f) is chosen from compounds of the general formula (la) wherein
  • R 1 is H or CHs
  • R, R' are, independently from each other, H or an organic radical and may
  • G is O or NH.
  • monomer f) is or comprises 2-(2-oxo-1 -imidazolidinyl)ethylmethacrylate (CAS No. 86261 -90-7), also known as ureido methacrylate (UMA):
  • the polymers can also contain structural units resulting from byproducts of the synthesis of ureido methacrylate, in particular hy- droxyethylethyleneurea (CAS No. 3699-54-5) and N-(methacryloyloxyethyl)-N'- (methacryloyl)ethyleneurea (CAS No. 157312-17-9), as described in DE 4301673, the disclosure of which is hereby incorporated as reference.
  • structural units resulting from byproducts of the synthesis of ureido methacrylate in particular hy- droxyethylethyleneurea (CAS No. 3699-54-5) and N-(methacryloyloxyethyl)-N'- (methacryloyl)ethyleneurea (CAS No. 157312-17-9), as described in DE 4301673, the disclosure of which is hereby incorporated as reference.
  • Preferred polymers of this invention comprise as polymerized units of from 0.5 to 2% by weight of 2-(2-oxo-1 -imidazolidinyl)ethylmethacrylate (ureido methacrylate, UMA).
  • the polymers according to this invention comprise as polymerized units of from 0 to 30 % by weight of further monomers g) different from a) to f). In one embodiment of the invention, the polymers comprise as polymerized units of from 1 to 20 % by weight of such further monomers g). In still another embodiment of the invention, the polymers comprise as polymerized units of from 1 to 10 % by weight of such further monomers g)-
  • At least one monomer g) is chosen from the group consisting of methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, methyl ethacrylate, ethyl ethacrylate, n-propyl ethacrylate, isopropyl ethacrylate, n-butyl ethacrylate, tert-butyl ethacrylate, isobutyl ethacrylate, n- butyl (meth)acrylate, tert-butyl (meth)acrylate, isobutyl (meth)acrylate, sec-butyl (meth)acrylate, 2-pentyl (meth)acrylate, 3-pentyl (meth)acrylate, isopentyl acrylate, neopentyl acrylate, n-octyl (meth)acryl
  • (meth)acrylate cerotinyl (meth)acrylate, melissinyl (meth)acrylate, palmitoleinyl (meth)acrylate, oleyl (meth)acrylate, linolyl (meth)acrylate, linolenyl (meth)acyrlate, stearyl (meth)acrylate, lauryl (meth)acrylate, phenoxyethyl acrylate, 4-t-butylcyclohexyl acrylate, cyclohexyl (meth)acrylate, ureido (meth)acrylate, tetrahydrofurfuryl
  • One preferred embodiment of the invention is a polymer as described before, wherein at least one monomer g) is chosen from esters of ⁇ , ⁇ -ethylenically unsaturated mono- and dicarboxylic acids with d-Cs-alkanols.
  • At least one monomer g) is chosen from C1-C6 alkyl (meth)acrylates, still more preferred C1-C4 alkyl (meth)acrylates, e.g. from the group consisting of methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, methyl ethacrylate, ethyl ethacrylate, n-propyl ethacrylate, isopropyl ethacrylate, n-butyl ethacrylate, tert-butyl ethacrylate, isobutyl ethacrylate, n-butyl (meth)acrylate, tert-butyl (meth)acrylate, isobutyl (meth)acrylate, sec-butyl (meth)acrylate.
  • C1-C4 alkyl (meth)acrylates e.g. from the group
  • At least one monomer g) is chosen from the group consisting of methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, tert-butyl methacrylate, isobutyl methacrylate, sec-butyl methacrylate and mixtures thereof.
  • At least one monomer g) is chosen from compounds of the general formula VI
  • preferred monomers g) are N-vinyllactams different from any of the monomers a) to f).
  • Suitable monomers g) are unsubstituted N- vinyllactams and N-vinyllactam derivatives, which can, for example, have one or more Ci-C6-alkyl substituents, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl etc.
  • N-vinylpiperidone N-vinylcaprolactam
  • N-vinyl-5-methyl-2-pyrrolidone N-vinyl-5-ethyl-2-pyrrolidone
  • N-vinyl-6-methyl-2- piperidone N-vinyl-6-ethyl-2-piperidone
  • N-vinyl-7-methyl-2-caprolactam N-vinyl-7- ethyl-2-caprolactam etc. and mixtures thereof.
  • preferred monomers g) are N-vinylcaprolactam, N-vinylformamide, acrylamide, N,N-dimethylacrylamide or mixtures thereof.
  • suitable monomers g) are the amides of (meth)acrylic acid different from any of the monomers a) to f).
  • Such amides are, for example, (meth)acrylamide, N-methyl(meth)acrylamide, N-ethyl(meth)acrylamide, N-n- propyl(meth)acrylamide, N-i-propyl(meth)acrylamide, N-(n-butyl)(meth)acrylamide, N- (sec-butyl)(meth)acrylamide, N-(tert-butyl)(meth)acrylamide, N-(n- pentyl)(meth)acrylamide, N-(n-hexyl)(meth)acrylamide, N-(n-heptyl)(meth)acrylamide, N-(n-octyl)(meth)acrylamide, N-(tert-octyl)(meth)acrylamide N-(1 ,1 ,3,3-
  • N-palmitoleinyl(meth)acrylamide N-oleyl(meth)acrylamide, N-linolyl(meth)acrylamide, N-linolenyl(meth)acrylamide, N-stearyl(meth)acrylamide, N-lauryl(meth)acrylamide.
  • suitable monomers g) are 2- hydroxyethylacrylamide, 2-hydroxyethylmethacrylamide, 2-hydroxyethylethacrylamide,
  • At least one monomer g) is chosen from vinyl acetate, vinyl propionate, vinyl butyrate, ethylene, propylene, isobutylene, butadi- ene, styrene, a-methylstyrene, acrylonitrile, methacrylonitrile, vinyl chloride, vinylidene chloride, vinyl fluoride, vinylidene fluoride and mixtures thereof.
  • at least one monomer g) different from acrylic acid is chosen from monomers with a free-radically polymerizable,
  • Such monomers g) include monoethylenically unsaturated mono- and dicarboxylic acids having 3 to 25, preferably 3 to 6, carbon atoms, which can also be used in the form of their salts or anhydrides. Examples thereof are methacrylic acid, ethacrylic acid, a-chloroacrylic acid, crotonic acid, maleic acid, maleic anhydride, itaconic acid, citraconic acid, mesaconic acid, glutaconic acid, aconitic acid and fumaric acid.
  • Such monomers g) also include the half-esters of monoethylenically unsaturated dicarboxylic acids having 4 to 10, preferably 4 to 6, carbon atoms, e.g. of maleic acid, such as monomethyl maleate.
  • Such monomers g) also include monoethylenically unsaturated sulfonic acids and phosphonic acids, for example vinylsulfonic acid, allylsul- fonic acid, sulfoethyl acrylate, sulfoethyl methacrylate, sulfopropyl acrylate, sulfopropyl methacrylate, 2-hydroxy-3-acryloxypropylsulfonic acid, 2-hydroxy-3-methacryl- oxypropylsulfonic acid, styrenesulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid, vinylphosphonic acid and allylphosphonic acid.
  • Such monomers g) also include the salts of the abovementioned acids, in particular the sodium, potassium and ammonium salts, and the salts with amines. Such monomers g) can be used as they are or as mixtures with one another. The weight fractions given all refer to the acid form.
  • the component g) is chosen from methacrylic acid, ethacrylic acid, a -chloroacrylic acid, crotonic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, citraconic acid, mesaconic acid, glutaconic acid, aconitic acid, 2-acrylamido-2-methylpropanesulfonic acid, vinylphosphonic acid and mixtures thereof.
  • At least on monomer g) is selected from methacrylic acid, ethacrylic acid, a -chloroacrylic acid, crotonic acid, maleic acid, maleic anhydride, fumaric acid, itaconic acid, citraconic acid, mesaconic acid, glutaconic acid, aconitic acid and mixtures thereof.
  • the at least one monomer g) is or comprises me- thyl methacrylate (MMA).
  • the at least one monomer g) is or comprises methacrylic acid (MAA).
  • the at least one monomer g) is or comprises a mixture of methacrylic acid (MAA) and methyl methacrylate (MMA).
  • monomers d) and g) are used as mixtures for the manufacture of the polymers.
  • Such mixtures of monomers d) and g) are for example mixtures containing methacrylic ester of an ethoxylated (25 mol EO) C16-C18 fatty alcohol spectrum and methylmethacrylate (like e.g. Plex ® 6877-0) or mixtures comprising Ci6-Ci8-(EO)25 methacrylate and methacrylic acid (like e.g. Lutencryl ® 250).
  • monomers f) and g) are used as mixtures for the manufacture of the polymers.
  • Such mixtures of monomers f) and g) are for example mixtures containing 2-(2-oxo-1 -imidazolidinyl)ethylmethacrylate and methylmethacry- late (like e.g. Plex ® 6844-0, N-(2-Methacryloyloxyethyl) ethylene urea 25% by weight in methylmethacrylate).
  • the following table shows exemplary compositional ranges of monomers a) to g) for six polymers I to IV according to this invention.
  • the numbers are in % by weight with the proviso that a) to g) add up to a total of 100 % by weight; a) is Acrylic acid, b) is N-vinyl pyrrolidone, c) is preferably N-vinyl imidazole, d) is preferably C16-C18 PEG-25 me- thacrylate, i.e.
  • R 8 is Methyl
  • X is Oxy- gen
  • k is about 25, 1 is zero
  • R 9 is a mixture of Ci6 alkyl and Cie alkyl
  • e) is preferably pentaerythritol triallyl ether (PETAE)
  • f) is preferably 2-(2-oxo-1 - imidazolidinyl)ethylmethacrylate (CAS No. 86261 -90-7), also known as ureido methacrylate (UMA)
  • g) is preferably methyl methacrylate and/or methacrylic acid.
  • One embodiment of the invention are polymers comprising as polymerized units a) 36 to 45 % by weight of acrylic acid,
  • Another embodiment of the invention are polymers comprising as polymerized units a) 55 to 65 % by weight of acrylic acid,
  • the polymers according to the invention are preferably manufactured by the method of precipitation polymerization.
  • the invention thus further provides a method for manufacturing the polymers according to the invention wherein the polymerization is a precipitation polymerization.
  • the precipitation polymerization use is made of at least two free-radical initiators whose decomposition temperatures and/or half-lives thereof at a certain polymerization temperature are different from one another.
  • the initiator that decomposes at the higher temperature is added before the polymer has finished precipitating, preferably before the polymer has started precipitating.
  • the precipitation polymerization preferably takes place in a solvent, in which each of the monomers used is soluble (at 20°C and 1 bar) in an amount of at least 10% by weight to give a solution visibly clear to the human eye.
  • the precipitation polymerization takes place, for example, in esters such as ethyl acetate or butyl acetate and/or hydrocarbons such as cyclohexane or n-heptane as solvents.
  • esters such as ethyl acetate or butyl acetate
  • hydrocarbons such as cyclohexane or n-heptane
  • mixtures of ethyl acetate and cyclohexane are used as solvent.
  • the resulting polymer particles precipitate from the reaction solution and may be iso- lated by known methods such as filtration at reduced pressure.
  • the polymerization temperatures are preferably in a range from about 30 to 120°C, particularly preferably from 40 to 100°C.
  • Suitable Initiators for the free-radical polymerization are peroxo and/or azo compounds customary for this purpose, for example alkali metal or ammonium peroxydisulfates, di- acetyl peroxide, dibenzoyl peroxide, succinyl peroxide, di-tert-butyl peroxide, tert-butyl perbenzoate, tert-butyl perpivalate, tert-butyl peroxy-2-ethylhexanoate, tert-butyl per- maleate, cumene hydroperoxide, diisopropyl peroxydicarbamate, bis(o-toluoyl) peroxide, didecanoyl peroxide, dioctanoyl peroxide, dilauroyl peroxide, tert-butyl peris
  • the first polymerization may be followed by an afterpolymerization step.
  • the same or a different initiator system as for the main polymerization may be used.
  • the temperature of the afterpolymerization step is equal to, preferably higher than the main polymerization temperature.
  • the reaction temperature during the main polymerization is preferably at most 100°C and during the afterpolymerization preferably at most and 130°C.
  • at least two free radical initiators which permit an essentially independent initiation in at least two phases are used for the preparation of the polymers according to the invention. Thereby polymers with particularly low residual mono- mer contents can be achieved.
  • the precipitated polymer is isolated from the reaction mixture. Therefore any method known to the skilled person can be used. Such methods are filtration, centrifugation, evaporation of the solvent or combinations of these methods.
  • the polymers can be further purified by conventional washing steps with the same solvents that have been used for the polymerization itself. Resulting dry polymer powders can advantageously be converted to an aqueous solution or dispersion by dissolution or redispersion, respectively, in water. Pulverulent copolymers have the advantage of better storability and easier transportability and usually exhibit a lower propensity for microbial attack.
  • the acid groups of the monomers or polymers can be partially or completely neutralized with a base.
  • Bases which can be used for the neutralization of the polymers are alkali metal bases such as sodium hydroxide solution, potassium hydroxide solution, sodium carbonate, sodium hydrogencarbonate, potassium carbonate or potassium hydrogencarbonate and alkaline earth metal bases, such as calcium hydroxide, cal- cium oxide, magnesium hydroxide or magnesium carbonate and also amines.
  • Suitable amines are, for example, Ci-C6-alkylamines, preferably n-propylamine and n- butylamine, dialkylamines, preferably diethylpropylamine and dipropylmethylamine, trialkylamines, preferably triethylamine and triisopropylamine.
  • amino alcohols e.g.
  • trialkanolamines such as triethanolamine, alkyldialkanolamines, such as methyl- or ethyldiethanolamine and dialkylalkanolamines, such as di- methylethanolamine, and also 2-amino-2-methyl-1 -propanol.
  • 2-amino-2-methyl-1 -propanol, 2-amino-2-ethylpropane-1 ,3- diol, diethylaminopropylamine and triisopropanolamine have proven particularly useful for the neutralization of the polymers comprising acid groups.
  • the neutralization of the acid groups can also be carried out with the aid of mixtures of two or more bases, e.g. mixtures of sodium hydroxide solution and triisopropanolamine. Depending on the intended used, the neutralization can take place partially or completely.
  • the acrylic acid monomers are at least partially neutralized before polymerization. In one embodiment of this invention, the acrylic acid monomers are at least partially neutralized before polymerization with (NH4)HC03. In another embodiment of this invention, the acrylic acid monomers are at least partially neutralized before polymerization with Triethanolamin.
  • the precipitation polymerization is carried out in the presence of at least one surfactant.
  • this surfactant has an HLB value of less than or equal to 10.
  • Suitable surfactants with an HLB value of less than or equal to 10 are described, for example, in Karl-Heinz Schrader, Klan und paragraphuren der Kosmetika [Fundamentals and Formulations of Cosmetics], 2nd edition, Verlag Huthig, Heidelberg, pp. 395 - 397, to which reference is made here in its entirety.
  • HLB value of emulsifiers is known to the person skilled in the art and is described, for example, on p. 394 of the abovementioned literature reference.
  • Further suitable surfactants with an HLB value of less than or equal to 10 are listed, for example, in US 4375533, column 7, II. 26 - 60, to which reference is made here in its entirety.
  • the use of surfactants in the precipitation polymerization of crosslinked poly- acrylic acid is already described in US 4420596 and US 4375533.
  • the invention thus also provides a method as described above where the precipitation polymerization is carried out in the presence of at least one surfactant which is chosen from linear block copolymers with a hydrophobic structural unit with a length of more than 5 nm (calculated by the law of cosines), which are defined by the following for- mula:
  • A is a hydrophilic structural unit which has a solubility in water at 25°C of 1 % by weight or more, has a molar mass M w of from 200 to 50 000, and is selected such that it is bonded covalently to B;
  • B is a hydrophobic structural unit which has a molar mass M w of from 300 to 60 000, has a solubility in water at 25°C of less than 1 % by weight and can be covalently bonded to A;
  • C and D are end groups which may be A or B and the same group or different groups; w is O or l ;
  • x is an integer greater than or equal to 1 ,
  • y is 0 or 1
  • z is 0 or 1 .
  • the invention further provides a method as described above where the precipitation polymerization is carried out in the presence of at least one surfactant chosen from random comb copolymers which are defined by the following formula:
  • Ri and R2 are end groups and may be identical or different from one another and are different from Z and Q,
  • Z is a hydrophobic structural unit which has a solubility in water of 25°C of less than 1 % by weight
  • Q is a hydrophilic structural unit which has a solubility in water of 25°C of more than 1 % by weight
  • n and n are integers greater than or equal to 1 and are selected such that the molar mass Mw is from 100 to 250 000.
  • the surfactants are selected from 12- hydroxystearic acid block copolymers, further preferably 12-hydroxystearic acid block copolymers with polyethylene oxide.
  • the 12-hydroxystearic acid block copolymers are particularly preferably ABA block copolymers.
  • Hypermer ® B239 block copolymer of a polyhydroxy fatty acid (PFA) and polyethylene oxide (PEO) with Mw of about 3500;
  • Hypermer ® B246 block copolymer of a polyhydroxy fatty acid (PFA) and polyethyl- ene oxide (PEO) with Mw of about 7500.
  • Hypermer ® B261 block copolymer of a polyhydroxy fatty acid (PFA) and polyethylene oxide (PEO) with Mw of about 9600.
  • Hypermer ® 2234 nonionic polymeric surface-active compound
  • Hypermer ® LP6 polymeric fatty acid ester with M w of about 4300.
  • Hypermer ® IL2296 nonionic polymeric surface-active compound
  • Hypermer ® A-109 block copolymer of a fatty acid or of a long-chain alkylene radical with ethylene oxide.
  • Hypermer ® A-409 block copolymer of a fatty acid or of a long-chain alkylene radical with ethylene oxide.
  • surfactants are copolymers of polydimethylsiloxanes and organic glycols like e.g. substances with the INCI name PEG/PPG-25/25 dimethicone (e.g. Belsil ® DMC 6031 ) and dimethicone copolyol acetate (e.g. Belsil ® DMC 6032).
  • dimethicone PEG-7 phosphate is e.g.
  • dimethicones are aminoalkyl subsituted dimethi- cones like e.g. Methoxy PEG/PPG-7/3 Aminopropyl Dimethicone (Abil ® Soft AF 100 by Evonik). Aminoalkyl subsituted surfactants enable higher solid contents during the precipitation polymerization compared to the use of non aminated surfactants.
  • the monomers are polymerized by a precipitation polymerization in the presence of Methoxy PEG/PPG-7/3 Aminopropyl Dimethi- cone.
  • the monomers are polymerized by a precipitation polymerization in the presence of PEG/PPG-25/25 dimethicone.
  • the monomers are polymerized by a precipitation polymerization in the presence of Leophen RW ECO (mixture of different eth- oxilated long chain fatty alcohols, BASF).
  • Leophen RW ECO mixture of different eth- oxilated long chain fatty alcohols, BASF.
  • polyesters comprising polyethylene glycol that may be used as surfactants in the precipitation polymerization are block copolymers of the Hypermer ® brand, in particular the grades B239, B246, B261 , 2234, LP6, A-109, A-409 (described in
  • polyoxyethylene-glycerol-fatty-acid esters also suitable as surfactants are e.g. polyglyceryl-2 dipolyhydroxystearates (INCI) such as Dehymuls ® PGPH (Cog- nis).
  • ICI polyglyceryl-2 dipolyhydroxystearates
  • Dehymuls ® PGPH Cog- nis
  • Suitable surfactants are compounds with the INCI names PEG-7 Hydrogenated Cas- tor Oil, such as Arlacel ® 989, Cremophor ® W07 ( BASF) or Dehymuls ® HRE 7 (Cognis),
  • PEG-2 Hydrogenated Castor Oil such as Arlacel ® 582, sorbitan monooleate/propylglyceryl 4/3-ricinoleate, such as Arlacel ® 1689 (Croda), sorbitan stearate and sucrose cocoate such as, for example, Arlartone ® 2121 (Croda), sorbeth-20 beeswax such as, for example, At- las ® G-1726 (Croda).
  • Another suitable surfactant is a polyamide wax like e.g. Kahl Wax 6635 (Kahl&Co).
  • Suitable commercially available natural waxes are e.g. mixtures of fatty acid esters, fatty acid and fatty alcohol, such as, for example, beeswax, berry wax, rice wax (Kahl&Co).
  • Suitable beeswaxes are in particular those with the CAS numbers 8006-40- 4 (white) or 8012-89-3.
  • Suitable beeswaxes bear the INCI (EU) names Cera Alba, syn- thetic beeswax, PEG-7 dimethicone beeswax.
  • Particularly suitable beeswaxes are those with the INCI EU name Cera Alba.
  • Suitable berry waxes are e.g. those with the I NCI name Rhus Verniciflua Peel Wax (Berry Wax 6290 (Kahl & Co) or Botaniwax ® OT(Botanigenics, Inc)).
  • Suitable rice waxes are in particular those with CAS number 8016-60-2 or the INCI name Oryza Sativa (rice) bran wax.
  • Such rice waxes are available commercially as Cerewax ® (Chemyunion Quimica LTDA), ESP ® Rice Bran Wax (Earth Supplied
  • the amount of surfactant present during the precipitation polymerization is in the range from 0.001 to 50% by weight, preferably from 0.01 to 20% by weight and particularly preferably in the range from 0.1 to 10% by weight, based on the total amount of 100% by weight of the components a) to g).
  • the polymers obtainable by the method according to the invention can be used as the sole gel former in cosmetic preparations. Moreover, they are also suitable for use in combination with customary gel formers.
  • the polymers according to the invention can be used, in particular as thickeners, in aqueous preparations in the sectors of household, personal care, building industry, textiles, for paper coating slips, pigment printing pastes, aqueous colors, leather- treatment compositions, cosmetic formulations, pharmaceutical products and agro- chemicals.
  • the polymers of this invention are easy to handle, allow for use of continuous production processes with use of in-line static mixers, can be processed with membrane pumps and, when diluted, with turbine mixers and high speed propellers, are able to formulate clear products, can be used with electrolytes, support the stabili- zation of hydrophobic (low solubility) components, are compatible with nonionic, anionic, zwitterionic and some cationic surfactants, are able to stabilize suspensions, are mild, soft, non-greasy, non-sticky, stable in pH 5.5 to 12 formulations, thicken and stabilize hydrogen peroxide, and allow a flexible choice of the preservative system.
  • Another embodiment of this invention are cosmetic preparations comprising the polymers according to the invention.
  • Non-limiting examples for cosmetic preparations comprising the polymers of this inventions are anti-dandruff shampoos, bath foams, curl activators, depilatories, emulsifier free formulations, foaming facial cleansers, hair styling gels, liquid soaps, lotions, mois- turizing creams, shampoos, shower gels, skin masks, waterless hand cleaners, and wave sets.
  • anti-dandruff shampoos bath foams, curl activators, depilatories, emulsifier free formulations, foaming facial cleansers, hair styling gels, liquid soaps, lotions, mois- turizing creams, shampoos, shower gels, skin masks, waterless hand cleaners, and wave sets.
  • Plex ® 6877-0 Ci6-i8-Alkyl-PEGiioo - methacrylate in MMA [25:75 w:w]
  • Lutencryl ® 250 Ci6-i8-Alkyl-PEGiioo - methacrylate in MAA [50:50 w:w]
  • Plex ® 6844-0 N-(2-Methacryloyloxyethyl) ethylene urea 25% by weight in MMA
  • the polymers of this invention are manufactured by precipitation polymeriza- tion.
  • composition of polymers according to this invention numbers represent weight-%.
  • the amount of surfactant is given with respect to the complete amount of monomers a), b), c), d), f), and g).
  • Lutencryl ® 250 the numbers given in this column are the sum of the numbers in the two following columns "MAS” and "LUMA Plex ® 6844-0: the numbers given in this column are the sum of the numbers in the two following columns “UMA” and "MMA”.
  • the amount of crosslinking agent is given with respect to the complete amount of all other monomers a), b), c), d), f), and g).
  • Polymer selected from No. 1 to 35 means any of the Polymers No 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 1 1 , 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 , 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 , 32, 33, 34, 35.
  • Hair gels containing a nonionic hair-setting agent a nonionic hair-setting agent
  • Polymer selected from No. 1 to 35 2.0 Luviskol® K90 Polyvinylpyrrolidone 1 .5
  • preservative e.g. Euxyl® K100, perfume, etc. with triethanolamine (50% strength solution) adjust to pH between 6.7 and 7.2
  • Phase 1 is weighed and homogenized with stirring at a temperature in the range from 20 to 50°C. After about 3 hours, a milky dispersion forms. Triethanolamine is added with stirring. After about 2 hours, a (virtually) homogeneous, high-viscosity gel is formed. Phase 2 is then stirred slowly into phase 1 . The gel is stirred at room temperature for a further hour. This produces a stable, clear gel.
  • Polymer selected from No. 1 to 35 2.0 Luviskol ® VA64 Poly(vinylpyrrol- 1 .5
  • preservative e.g. Euxyl® K100, perfume etc. with triethanolamine (50% strength solution) adjust to pH between 6.7 - 7.2.
  • Phase 1 is weighed and homogenized with stirring at a temperature in the range from 20 to 50°C. After about 3 hours, a milky dispersion forms. Triethanolamine is added with stirring. After about 2 hours, a (virtually) homogeneous, high-viscosity gel is formed. Phase 2 is then stirred slowly into phase 1 . The gel is stirred at room temperature for a further hour. This produces a stable, clear gel.
  • preservative e.g. Euxyl® K100, perfume, etc. with triethanolamine (50% strength solution) adjust to pH between 6.7-7.2
  • Phase 1 is weighed and homogenized with stirring at a temperature in the range from 20 to 50°C. After about 3 hours, a milky dispersion forms. Triethanolamine is added with stirring. After about 2 hours, a (virtually) homogeneous, high-viscosity gel is formed. Phase 2 is then stirred slowly into phase 1 . The gel is stirred at room temperature for a further hour. This produces a stable, substantially clear gel. Flexible hair-setting gels
  • Polymer selected from No. 1 to 35 2.0 Luviskol® K90 Polyvinylpyrrolidone 1 .0 D-Panthenol, USP Panthenol 0.2 Glycerol 0.1 Water, dist. 46.7
  • preservative e.g. Euxyl® K100, perfume, etc. with triethanolamine (50% strength solution) adjust to pH between 6.7-7.2 Phase 2:
  • Phase 1 is weighed and homogenized with stirring at a temperature in the range from 20 to 50°C. After about 3 hours, a milky dispersion forms. Triethanolamine is added with stirring. After about 2 hours, a (virtually) homogeneous, high-viscosity gel is formed. Phase 2 is then stirred slowly into phase 1 . The gel is stirred at room temperature for a further hour. This produces a stable, clear gel.
  • Polymer selected from No. 1 to 35 0.5
  • perfume preservative, etc
  • Phase 1 Stir polymer into water. With stirring, the polymer is neutralized with triethanolamine and dissolved. Slowly stir phase 2 into phase 1 . Bottle and add propellant gas.
  • perfume preservative, etc.
  • Phase 1 Stir polymer into water. With stirring, the polymer is neutralized with triethanolamine and dissolved. Slowly stir phase 2 into phase 1 . Bottle and add propellant gas.
  • Polymer selected from No. 1 to 35 1 .0
  • perfume preservative, etc.
  • Polymer selected from No. 1 to 35 1 .0 Polyvinylpyrrolidone K30 0.5 Water 47.5

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Cosmetics (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

La présente invention porte sur des modificateurs de rhéologie associatifs anioniques, leur fabrication et leur application.
PCT/EP2011/052955 2010-03-02 2011-03-01 Modificateurs de rhéologie associatifs anioniques WO2011107440A1 (fr)

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KR1020127022759A KR20130019373A (ko) 2010-03-02 2011-03-01 음이온성의 회합성 레올로지 개질제
EP11705888A EP2542598A1 (fr) 2010-03-02 2011-03-01 Modificateurs de rhéologie associatifs anioniques
CA2791200A CA2791200A1 (fr) 2010-03-02 2011-03-01 Modificateurs de rheologie associatifs anioniques
RU2012141628/04A RU2012141628A (ru) 2010-03-02 2011-03-01 Анионные ассоциативные модификаторы реологических свойств
JP2012555385A JP5478742B2 (ja) 2010-03-02 2011-03-01 アニオン性会合性レオロジー変性剤
CN2011800115230A CN102781983A (zh) 2010-03-02 2011-03-01 阴离子性缔合流变改性剂

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WO2014130434A1 (fr) * 2013-02-19 2014-08-28 Johnson & Johnson Consumer Companies, Inc. Procédés et compositions pour améliorer l'aspect et la formation de tissu cicatriciel
JP2014528425A (ja) * 2011-09-29 2014-10-27 ローム アンド ハース カンパニーＲｏｈｍ Ａｎｄ Ｈａａｓ Ｃｏｍｐａｎｙ 低ゲル化温度メチルセルロースを組み込むパーソナルケア組成物および方法
US9084740B2 (en) 2013-02-19 2015-07-21 Johnson & Johnson Consumer Companies, Inc. Methods and compositions for improving appearance and formation of scar tissue
US10808059B2 (en) * 2017-06-09 2020-10-20 Canon Kabushiki Kaisha Polymer
US11118103B2 (en) 2014-10-15 2021-09-14 Oji Holdings Corporation Composition comprising ultrafine cellulose fibers

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JP6189183B2 (ja) * 2013-11-12 2017-08-30 大塚化学株式会社 顔料分散剤及びそれを含む顔料分散組成物
FR3024733B1 (fr) * 2014-08-05 2018-01-12 Coatex Sas Agent epaississant pour systemes aqueux, formulations le contenant et utilisations.
WO2020230600A1 (fr) * 2019-05-14 2020-11-19 株式会社日本触媒 Additif pour agents médicinaux

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014528425A (ja) * 2011-09-29 2014-10-27 ローム アンド ハース カンパニーＲｏｈｍ Ａｎｄ Ｈａａｓ Ｃｏｍｐａｎｙ 低ゲル化温度メチルセルロースを組み込むパーソナルケア組成物および方法
WO2014130434A1 (fr) * 2013-02-19 2014-08-28 Johnson & Johnson Consumer Companies, Inc. Procédés et compositions pour améliorer l'aspect et la formation de tissu cicatriciel
US9084740B2 (en) 2013-02-19 2015-07-21 Johnson & Johnson Consumer Companies, Inc. Methods and compositions for improving appearance and formation of scar tissue
US11118103B2 (en) 2014-10-15 2021-09-14 Oji Holdings Corporation Composition comprising ultrafine cellulose fibers
US10808059B2 (en) * 2017-06-09 2020-10-20 Canon Kabushiki Kaisha Polymer

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RU2012141628A (ru) 2014-04-10
JP5478742B2 (ja) 2014-04-23
EP2542598A1 (fr) 2013-01-09
JP2013521359A (ja) 2013-06-10
KR20130019373A (ko) 2013-02-26
CN102781983A (zh) 2012-11-14

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