Preparation of alkali-soluble (meth)acrylate-based copolymers

Details Preparation of alkali-soluble (meth)acrylate-based copolymers Preparation of alkali-soluble (meth)acrylate-based copolymers

C - Chemistry, Metallurgy

08

F

C08F 220/18 (2006.01) A61K 8/81 (2006.01) A61Q 5/06 (2006.01) C08F 2/22 (2006.01) C08F 20/12 (2006.01)

Patent

CA 2203686

A process for preparing alkali-soluble (meth)acrylate-based copolymers by free-radical emulsion polymerization at a pH <4, which involves adjusting the pH of the dispersion after polymerization to a level within the range from 4 to 7 by adding a base.

Méthode pour préparer des copolymères à base de (méth)acrylate solubles dans les alcalis, par polymérisation en émulsion de radicaux libres à un pH < 4, avec ajustement, après la polymérisation, du pH de la dispersion entre 4 et 7, par addition d'une base.

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