Thermostable vinylchloride mixed polymers

US7655741B2 · kind B2 · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Stephan Kaiser · Regensburg, DE
• Robert Hohenadel · Neuötting, DE
• Karl Weber · Altötting, DE
• Franz Zenk · Altötting, DE
• Claudia Strohmeier · Eggenfelden, DE

Key dates

• Filing date: Sep 6, 2005
• Grant date: Feb 2, 2010
• Expiry date: Jan 2, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F214/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for the preparation of vinyl chloride copolymers involves free radical suspension polymerization or emulsion polymerization of a mixture of vinyl chloride, epoxide-containing vinyl monomers and further comonomers copolymerizable therewith, wherein