Copolymers containing sulfonic acid groups and carboxyl groups

Details Copolymers containing sulfonic acid groups and carboxyl groups Copolymers containing sulfonic acid groups and carboxyl groups

C - Chemistry, Metallurgy

08

F

C08F 220/00 (2006.01) C08F 8/32 (2006.01) C08F 8/36 (2006.01) C11D 3/34 (2006.01)

Patent

CA 2536337

The invention relates to copolymers of: (A1) 70 to 100 mol % of at least two different monoethylenically unsaturated carboxylic acid monomers, and; (A2) 0 to 30 mol % of one or more non-ionic monomers that have been reacted with; (B) 5 to 30 mol %, with regard to the functional groups, which can be amidated and which are contained in the copolymer comprised of monomers (A1) and, optionally, of (A2), of an amino-C1-C2-alkanesulfonic acid and/or of a salt thereof. The invention also relates to the production of these copolymers and to their use as an additive to washing, cleaning and clear rinsing agents.

L'invention concerne des copolymères composés de (A1) 70 à 100 % en moles d'au moins deux monomères d'acide carboniques différents monoéthyléniquement insaturés, et de (A2) 0 à 30 % en moles d'un ou de plusieurs monomères non ioniques, qui ont réagi avec 5 à 30 % en moles, relativement aux groupes fonctionnels amidifiés contenus dans le copolymère constitué par les monomères (A1) et éventuellement (A2), avec un acide alcane sulfonique amino C¿1?-C¿2? et/ou avec un sel de celui-ci. La présente invention porte également sur la production de ces copolymères et sur leur utilisation comme additifs dans des agents de lavage, de nettoyage et de rinçage.

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