Reactive oligomers as curing agent for unsaturated polyester

US4229556A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Dietrich Braun · Darmstadt, DE
• Klaus Titzschkau · Darmstadt, DE

Key dates

• Filing date: Jan 23, 1979
• Grant date: Oct 21, 1980
• Expiry date: Jan 23, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F4/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Reactive oligomers obtainable by reacting .alpha.-substituted acrylic acid derivatives and tetra-aryl succinic acid dinitriles do excellently work as non-peroxidic initiators for curing radically polymerizable compounds and compositions, particularly unsaturated polyester resins.