摘要:
A process for the preparation of low-hydrazine polymers based on basic vinyl monomers by free-radical solution polymerization in aqueous medium in the presence, as compound which forms free radicals, of an azo compound which has alkoxycarbonyl groups on the carbon atoms adjacent to the azo group.
摘要:
Hairsetting compositions comprise as film-formers copolymers based on tert-butyl acrylate or tert-butyl methacrylate having a K value of from 10 to 50 which are obtainable by free-radical polymerization of A) from 30 to 72% by weight of tert-butyl acrylate or tert-butyl methacrylate or a mixture thereof as monomer A, B) from 10 to 28% by weight of acrylic acid or methacrylic acid or a mixture thereof as monomer B, and C) from 0 to 60% by weight of a free-radically copolymerizable monomer or of a free-radically copolymerizable monomer mixture as monomers C, where at least one of the monomers C produces a homopolymer having a glass transition temperature of less than 30° C., the carboxyl groups of the copolymers being partially or completely neutralized.
摘要:
Process for preparing polymers which are water-soluble or water-dispersible or which, if consisting of monomers with neutralizable radicals, are soluble in water or dispersible in water in neutralized form, by subjecting (a) ethylenically unsaturated monomers to free-radical polymerization in the presence of (b) polyalkylene oxide-containing silicone derivatives.
摘要:
An aqueous copolymer dispersion is prepared by free-radical emulsion co-polymerization of a monomer mixture ofi) from 10 to 70% by weight of at least one nonionic monomer A having a water-solubility of more than 60 g/l at 25.degree. C., and being selected from the group consisting of N-vinyllactams having from 6 to 8 carbon atoms, N-vinylformamide and N-methyl-N-vinylacetamide,ii) from 30 to 90% by weight of at least one monoethylenically unsaturated hydrophobic monomer B having a water-solubility of less than 60 g/l at 25.degree. C.,and optionally further comprisingiii) up to 5% by weight of at least one monoethylenically unsaturated monomer C which has at least one ionic and/or ionizable functional group,iv) up to 10% by weight of at least one monomer D which has at least 2 ethylenically unsaturated bonds,v) up to 20% by weight of at least one further monoethylenically unsaturated monomer E, which is different from the monomers A and C, and has a water-solubility of >60 g/l at 25.degree. C.,in the presence of a water-soluble polymerization initiator in water or an aqueous solvent.
摘要:
The disclosure is directed to a process of conditioning hair in which a cosmetic composition is applied to the hair, which composition contains a polymer formed by (i) the free-radically initiated copolymerization of monomer mixtures of (a) from 1 to 99.99% by weight of a cationic monomer or quaternizable monomer, (b) from 0 to 98.99% by weight of a water-soluble monomer, (c) from 0 to 50% by weight of a further free-radically copolymerizable monomer, and (d) from 0.01 to 10% by weight of a bifunctional or polyfunctional, free-radical copolymerizable monomer, and (ii) subsequent quaternization of the polymer if the monomer (a) is a non-quaternized monomer.
摘要:
Water-soluble or water-dispersible graft copolymers in which a tert-butyl acrylate and a polymerizable carboxylic acid are grafted onto a polyvinyllactam, to their preparation and to their use, especially in the form of cosmetic preparations, particularly as hair-setting compositions.
摘要:
The present invention relates to free-radically polymerizable, siloxane-containing urethane (meth)acrylates which comprise, in incorporated form, a) at least one compound which contains at least one active hydrogen atom and at least one free-radically polymerizable &agr;,&bgr;-ethylenically unsaturated double bond per molecule, b) at least one diisocyanate, c) at least one compound which contains two active hydrogen atoms per molecules, d) at least one compound which contains at least one active hydrogen atom and at least one siloxane group per molecule, to water-soluble or water-dispersible polymers which comprise these urethane (meth)acrylates in copolymerized form, to the use of these polymers, and to cosmetic compositions which comprise these polymers.
摘要:
A cosmetic or pharmaceutical composition which comprises at least one polymer or copolymer which is obtainable by free-radical emulsion or suspension polymerization in the presence of at least one chain-transfer reagent, has a glass transition temperature above -35.degree. C. and a content of organic volatile constituents .ltoreq.0.5% by weight, and is at least 20% by weight composed of a (meth)acrylic ester.
摘要:
The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight in the range from 56 to 300 which contains two active hydrogen atoms per molecule, b) at least one polymer containing two active hydrogen atoms per molecule, c) at least one compound which contains two active hydrogen atoms and at least one ionogenic or ionic group per molecule, d) at least one diisocyanate, B) at least one polymer containing groups which are reactive toward isocyanate groups, chosen from hydroxyl, and primary and secondary amino and/or carboxyl groups, or the salts thereof.
摘要:
The use of copolymers ofA) 60-99 mol % of N-vinylpyrrolidone, andB) 1-40 mol % of a monomer selected from the group ofb1) C.sub.8 -C.sub.30 -alkyl esters of monoethylenically unsaturated C.sub.3 -C.sub.8 -carboxylic acids,b2) N-alkyl- or N,N-dialkyl-substituted amides of acrylic acid or of methacrylic acid with C.sub.8 -C.sub.18 -alkyl radicals, orb3) vinyl esters of aliphatic C.sub.8 -C.sub.30 -carboxylic acids, or mixtures of these monomers,as surface-active substances in preparations of water-insoluble substances.