Abstract: The present invention relates to an aqueous polymer dispersion which is obtainable by free-radical polymerization of a monomer mixture which comprises at least one amide-group-containing compound, at least one crosslinker and at least one monomer with at least one cationogenic and/or cationic group. The invention further relates to the polymers obtainable by drying such a polymer dispersion, and to cosmetic or pharmaceutical compositions which comprise such a polymer dispersion or such a polymer.

Abstract: The present invention relates to cationic polymers, to processes for the preparation thereof, and to the use thereof in cosmetic formulations.

Abstract: A mixture comprising a surfactant and a cosurfactant is proposed wherein the cosurfactant used is an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, where the side chains differ from one another and/or the side chains differ from the backbone in their amphiphilic character.

Abstract: Method for reducing the formamide content of preparations (P) prepared from N-vinylformamide monomers by polymerization.

Abstract: Water-soluble or water-dispersible polymers comprising alkoxylated diallylamine derivatives, ethylenically unsaturated mono- or dicarboxylic acids, the anhydrides thereof or mixtures thereof and, if required, one or more further ethylenically unsaturated monomers C are prepared and are used as additives in mineral building materials, in detergents or in cosmetic formulations.

Abstract: The present invention relates to cosmetic and pharmaceutical compositions which comprise a copolymer with anionogenic and/or anionic groups which is obtainable by free-radical polymerization of a monomer mixture in the presence of a polyfunctional regulator with at least three functional regulating groups. The invention further relates to a method of producing such a copolymer and to the copolymers obtainable by this method.

Abstract: Process for preparing water-in-water dispersions of polyvinyllactams having a K value of ?30 and ?110 by free-radically initiated polymerization.

Abstract: The invention relates to a process for the preparation of polymers composed predominantly of vinylformamide and having a low residual vinylformamide monomer content by subjecting (a) 49.9-99.9% by weight of N-vinylformamide, (b) 0-50% by weight of one or more monomers capable of free radical polymerization, (c) 0.1-5% by weight of at least one monomer from the group consisting of N-vinylpyrrolidone, N-vinyl-N-methylacetamide, N-vinylcaprolactam and N-vinylpiperidone to free radical polymerization, the monomer (c) being added to the polymerization only when the proportion of still unpolymerized monomer (a) is <5% by weight.

Abstract: The present invention relates to polymers which comprise, as monomeric building blocks, (poly)alkylene oxide-substituted diallylamines, ethylenically unsaturated monomers B, and, if appropriate, one or more further ethylenically unsaturated monomers and, if appropriate, crosslinkers, and to the use thereof as additives in cosmetic preparations.

Abstract: Method for producing water-in-water polyvinyl lactam dispersions with a K value of =120 by radical polymerisation.

Abstract: A mixture comprising a surfactant and a cosurfactant is proposed wherein the cosurfactant used is an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, where the side chains differ from one another and/or the side chains differ from the backbone in their amphiphilic character.

Abstract: The present invention relates to processes for the preparation of novel polymers starting from the reaction of diallylamine or diallylamine derivatives with olefinically unsaturated compounds within the framework of a Michael addition and subsequent free-radical polymerization of the Michael adducts, if appropriate in the presence of further free-radically polymerizable compounds. The invention also provides the corresponding Michael adducts of diallylamine and its derivatives, and also the use of the novel polymers.

Abstract: Copolymers based on N-vinylamide as adjuvant and compositions for the agrotechnical field The present invention relates to specific copolymers based on N-vinylamide and to their use as activity-improving adjuvant in the agrotechnical field and in particular in the field of plant protection. Appropriate agrotechnical compositions are likewise described. The copolymers are copolymers of vinylamides and ethylenically unsaturated carboxylic acid esters which are alkoxylated.

Abstract: The invention relates to graft polymers obtainable by free-radical graft polymerization of a) at least one N-vinyl-containing monomer b) optionally one or more further copolymerizable monomers onto a polymeric graft base c), which comprises at least one compound from the group c1) and at least one compound from the group c2), where c1) represents polyether-containing compounds c2) represents polymers which comprise at least 5% by weight of vinylpyrrolidone units d) optionally at least one crosslinker. and to their use in cosmetic preparations.

Abstract: The invention relates to the use of a cationic crosslinked polymer which is preparable by free-radical polymerization in the presence of salts and of protective colloids in cosmetics.

Abstract: The present invention relates to an aqueous polymer dispersion which is obtainable by free-radical polymerization of a monomer mixture which comprises at least one amide-group-containing compound, at least one crosslinker and at least one monomer with at least one cationogenic and/or cationic group. The invention further relates to the polymers obtainable by drying such a polymer dispersion, and to cosmetic or pharmaceutical compositions which comprise such a polymer dispersion or such a polymer.

Abstract: Water-soluble or water-dispersible polymers comprising alkoxylated diallylamine derivatives, ethylenically unsaturated mono- or dicarboxylic acids, the anhydrides thereof or mixtures thereof and, if required, one or more further ethylenically unsaturated monomers C are prepared and are used as additives in mineral building materials, in detergents or in cosmetic formulations.

Abstract: Aqueous dispersion obtainable by free-radical polymerization of a) at least one N-vinyl-containing monomer b) at least one polymeric dispersant c) at least one polymeric precipitation agent d) at least one crosslinker e) optionally further monomers f) optionally at least one regulator g) optionally a buffer substance where the weight ratio of b) to c) is in the range from 1:50 to 1:0.02.

Abstract: A process for the production of water-soluble or water-swellable cationic polymers by (i) free-radically initiated copolymerization of monomer mixtures in water comprising (a) from 1 to 99% by weight of a cationic monomer or quaternizable monomer, (b) from 1 to 99% by weight of a water-soluble monomer, (c) from 0 to 10% by weight of a bi- or polyfunctional, free-radically copolymerizable monomer, adjusting the amounts (a) to (c) in such a way that the resulting polymer has an overall positive charge, in the presence of 1 to 100% of the amount of a salt which is necessary to saturate the reaction medium with said salt and in the presence of 0.1 to 20% by weight referred to the weight of the dispersion, of an amphoteric dispersant having an overall negative charge, and (ii) subsequent quaternization of the polymer if the monomer (a) employed is a non-quaternized monomer is disclosed.

Abstract: The invention relates to the use of polymers in cosmetic preparations for hair. Said polymers can be obtained by (i) radically initiated copolymerisation of monomer mixtures consisting of (a) at least one cationic monomer or quaternisable monomer (b), optionally a water-soluble monomer, (c) optionally another radically copolymerisable monomer, (d) at least one monomer acting as a cross-linking agent and having at least two ethylenically unsaturated, non-conjugated double bonds, and (e) at least one regulator; and by (ii) subsequent quaternisation or protonation of the polymers, provided that a non-quaternised or only partially quaternised monomer is used as monomer (a).