Stress cracking-resistant cycloolefin copolymer composition

US6566475B1 · kind B1 · utility

Assignee

• Ticona LLC · US

Inventors

• Alexandra Jacobs · Niedernhausen, DE
• Klaus Berger · Pocking, DE
• Wilfried Hatke · Hofheim, DE

Key dates

• Filing date: May 3, 2001
• Grant date: May 20, 2003
• Expiry date: May 3, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L23/0823
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a polymer composition comprising one or more cycloolefin copolymers and one or more suitably formulated additives, having improved resistance to stress cracking in air or else in contact with media which give rise to stress cracking.