| 简介 |
Copolymer (I) (obtained by copolymerization of : ethylenic unsaturated 1, 2-dicarbonic acid derivates (A) (1-80 mol.%); unsaturated mono carbonic acid derivative (B) (2-80 mol.%); polyalkylenoxyallylethers (C) (1-90 mol.%); further unsaturated monomers (D) (0-30 mol.%); and reaction products of copolymer with ammonia, amine, water, alcohol, amino alcohol and/or alkali or alkaline-earth hydroxide) is new. Copolymer (I) (obtained by copolymerization of : ethylenic unsaturated 1, 2- dicarbonic acid derivates (A) (1-80 mol.%); 12-30C unsaturated mono carbonic acid derivative (B) (2-80 mol.%); polyalkylenoxyallylethers (C) with average molecular weight up to 5000 g/mol (1-90 mol.%); further unsaturated monomers (D) (0-30 mol.%), which are not (A-C); and the reaction products of copolymer with ammonia, amine, water, alcohol, amino alcohol and/or alkali or alkaline-earth hydroxide) is new. Independent claims are also included for : (1) the preparation of (I); and (2) a composition (III) comprising (I). |
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