Abstract:
The invention relates to the use of copolymers containing: a) 60 to 99 % by weight of at least one vinyl lactam or N-vinyl amine, selected from the group consisting of N-vinyl pyrrolidone, N-vinyl piperidone, N-vinyl caprolactam or N-vinyl formamide, and; b) 1 to 40 % by weight of at least one monomer of general formula (I).
Abstract:
Disclosed are stick glues containing a copolymer or polymer mixture (hereafter referred to as polymer ) as an adhesive. Said stick glues are characterized by the fact that 5 to 80 percent by weight of the polymer consist of at least one monomer of formula I, wherein R and R independently represent an H atom or a C1 to C4 alkyl group, or R and R jointly represent a C2 to C6 alkylene group such that a 4-membered to 8-membered ring is formed, and R to R independently represent an H atom or a C1 to C4 alkyl group.
Abstract:
The invention relates to cosmetic preparations, particularly for hair cosmetic applications, containing copolymers based on N-vinyl lactams and N-vinyl heterocyclic compounds.
Abstract:
Graft copolymers which contain at least one monoethylenically unsaturated monomer comprising at least one nitrogen-containing heterocycle are used as assistants for leather production.
Abstract:
Graft copolymers which contain at least one monoethylenically unsaturated monomer comprising at least one nitrogen-containing heterocycle are used as assistants for leather production.
Abstract:
A process for preparing copolymers which comprises copolymerizing (A) at least one ethylenically unsaturated dicarboxylic anhydride derived from at least one dicarboxylic acid having 4 to 8 carbon atoms, (B) at least one vinylaromatic compound, and (C) optionally at least one non-(A) ethylenically unsaturated comonomer containing at least one heteroatom, (D) reacting the copolymer with at least one compound of the formula I a or I b where A 1 is C 2 -C 20 alkylene, identical or different, R 1 is C 1 -C 30 alkyl, linear or branched, and n is an integer from 1 to 200, hydrolyzing the product with water or an aqueous alkaline solution, and subsequent to hydrolysis adding further free-radical initiator.
Abstract:
Polímeros de acrilato con un valor K desde 10 hasta 60, obtenibles mediante polimerización por radicales de: - desde un 30 hasta un 99 % en peso de acrilato de terc.-butilo y/o de metacrilato de terc.-butilo como monómero A, - desde un 1 hasta un 28 % en peso de ácido acrílico y/o de ácido metacrílico como monómero B y - desde 0 hasta un 60 % en peso de un monómero copolimerizable por medio de radicales o de una mezcla de monómeros copolimerizables por medio de radicales, como monómero C, proporcionando al menos uno de los monómeros C un homopolímero con una temperatura de transición vítrea menor que 30ºC, con la condición de que los % en peso se sumen para dar 100, en presencia de alcanotioles con una longitud de la cadena carbonada desde 14 hasta 22 átomos de carbono.
Abstract:
The use of a water soluble water dispersible film forming graft polymerisate comprises: (a) vinyl esters of 1-24C carboxylic acids, in the presence of (b) polyethers of mean number average molecular wt. 300 (I), as coating agents, matrix builders,and/or packaging materials for agrochemicals. The use of a water soluble water dispersible film forming graft polymerisate comprises: (a) vinyl esters of 1-24C carboxylic acids, in the presence of (b) polyethers of mean number average molecular wt. 300 of formula (I), as coating agents, matrix builders,and/or packaging materials for agrochemicals. R = OH, amino, 1-24C alkoxy, R -COO, R -NH-COO-, polyalkoxy; R -R = (CH2)2, (CH2)3, (CH2)4, CH2CH(CH3), CH-2-CH(CH2-CH3), CH2-CHOR -CH2 R = H, amino-1-6 alkyl , 1-24 alkyl, R -CO, R -NH-CO; R = 1-24C alkyl; R = H, 1-24C alkyl, R -CO; A = COO, CO-B-COO, CONH-B-NH-COO; B = (CH2)t or optionally substituted arylene; n = 1; s = 0-500; t = 1-12; u = 1-5000; v = 0-5000; w = 0-5000; x = 1-5000; y = 0-5000; z = 0-5000; and provided that when R is polyalcohol, n is 1-8. An Independent claim is also included for agrochemical preparations in tablet form, containing a coating formulation of one or more agrochemical active agents as tab let cores with one or more graft polymerisates.
Abstract:
The invention relates to the use of A copolymers containing a) 50 to 99 percent by weight of at least one N-vinyl lactam or N-vinyl amine, selected among the group comprising N-vinyl pyrrolidone, N-vinyl piperidone, N-vinyl caprolactam, N-vinyl imidazole, methylized N-vinyl imidazole, and N-vinyl formamide, and b) 1 to 50 percent by weight of at least one monomer, selecte d among one of the groups comprising b1) C8-C30 alkyl ester of monoethylenical ly unsaturated C3-C8 carboxylic acids; b2) N-C8-C30 alkyl-substituted amides of monoethylenically unsaturated C3-C8 carboxylic acids; b3) N,N-C8-C30 dialkyl - substituted amides of monoethylenically unsaturated C3-C8 carboxylic acids; b4) vinyl ester of aliphatic C8-C30 carboxylic acids; b5) C8-C30 alkyl vinyl ether, for the production of membranes.