Addition-crosslinked silicone elastomers with reduced compression set

US5936054A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Frank Achenbach · Simbach, DE
• Christof Worner · Burghausen, DE
• Brigitte Ostermeier · Neuötting, DE
• Georg Eberl · Burghausen, DE
• Jelica Gegic · Burghausen, DE

Key dates

• Filing date: Jun 10, 1997
• Grant date: Aug 10, 1999
• Expiry date: Jun 10, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/26
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

An addition-crosslinkable silicone rubber composition comprising the constituents PA1 (I) an alkenyl-functional polyorganosiloxane PA1 (II) a SiH-functional crosslinker PA1 (III) a hydrosilylation catalyst and PA1 (IV) at least one 1H-benzotriazole-5-carboxylic acid derivative selected from a group consisting of 1H-benzotriazole-5-carboxylic acid esters and 1H-benzotriazole-5-carboxylic acid amides.