Use of acrylate copolymers as additives for aqueous anionic...

Details Use of acrylate copolymers as additives for aqueous anionic... Use of acrylate copolymers as additives for aqueous anionic...

C - Chemistry, Metallurgy

08

F

402/306, 402/403

C08F 220/10 (2006.01) C08F 8/44 (2006.01) C08F 220/12 (2006.01) C09D 7/06 (2006.01) C09D 133/06 (2006.01)

Patent

CA 1334040

Acrylate copolymers containing hydroxyl and fluo- rine groups as additives for aqueous anionic paint systems for the purpose of preventing surface defects are described. The acrylate copolymers contain selected amounts of hydroxyl groups originating from hydroxyethyl (meth)acrylates or hydroxypropyl (meth)acrylates and fluorine groups originat- ing from 2-perfluoroalkylethyl (meth)acrylate, in addition to carboxyl groups neutralizable with bases. The additives are used in amounts of from 0.1 to 2.0% by weight, calcu- lated on solids content and based on the total solids con- tent of the binder in the paint.

614209

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