Preparation of homopolymers and copolymers of...

C - Chemistry – Metallurgy – 08 – F

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402/296, 134/3.3

C08F 2/10 (2006.01) C08F 20/20 (2006.01) C08F 22/02 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2038332

- 29 - O.Z. 0050/41484 Abstract of the Disclosure: Homopolymers and copolymers of monoethylenically unsaturated dicarboxylic acids of K 7 - 50 which are useful as additives in textile and dishwashing detergent compositions in amounts of from 0.1 to 15% by weight are obtained by free radical polymeriza- tion of (a) monoethylenically unsaturated dicarboxylic acids, (b) hydroxy-C2-C4-alkyl (meht)acrylates and optionally (c) other water-soluble monoethylenically unsaturated monomers at a degree of neutralization of the acid group-contain- ing monomers during the polymerization of from 52 to 70%, and contain not more than 1.5% by weight of unpolymerized dicarboxylic acid.

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