Radical polymerization in the presence of substituted tartaric acid or tartaric acid derivatives as initiators

US4330638A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Heinrich Wolfers · Rheurdt, DE
• Wolfram Mayer · Odenthal, DE
• Hans Rudolph · Krefeld, DE
• Fritz Mietzsch · Cologne, DE

Key dates

• Filing date: Feb 24, 1981
• Grant date: May 18, 1982
• Expiry date: Feb 24, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F4/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Substituted tartaric acids and tartaric acid derivatives have proved to be highly reactive initiators for starting radical polymerization resp. hardening reactions of unsaturated compounds and mixtures of compounds, particularly unsaturated polyester resins.