Process for preparing acrylate copolymers

US8084561B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Son Nguyen Kim · Hemsbach, DE
• Matthias Laubender · Schifferstadt, DE
• Marianna Pierobon · Ludwigshafen, DE
• Gabi Winter · Ludwigshafen, DE

Key dates

• Filing date: Mar 23, 2007
• Grant date: Dec 27, 2011
• Expiry date: Jun 19, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F220/56
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to a method of producing polymers by free-radical polymerization in solution, wherein the polymerization initiator used is an ethanol-soluble initiator, and the solution polymerization is carried out in an alcoholic solvent which comprises 5 to 50% by weight of water.