Mixtures of polyurethanes and unsaturated polyester resins

US4413072A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Bernhard Hess · Moers, DE
• Hansjochen Schulz-Walz
• Hannes von Harpe · Krefeld, DE
• Bernd Peltzer · Krefeld, DE
• Ludwig Bottenbruch · Krefeld, DE

Key dates

• Filing date: Jun 9, 1981
• Grant date: Nov 1, 1983
• Expiry date: Jun 9, 2001

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S525/92
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Unsaturated polyester resins containing--as additive--polyesterurethanes having free carboxyl groups and/or terminal radically polymerizable double bonds are good starting materials for manufacturing moulded articles with outstanding properties, particularly with an excellent impact strength.