Liquid silicone rubber with improved compression set

US5977249A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Ingomar Kovar · Burghausen, DE
• Johann Kammerer · Julbach, DE
• Klaus-Michael Matejcek · Burghausen, DE
• Erhard Bosch
• Walter Strassberger · Altötting, DE

Key dates

• Filing date: Jul 14, 1997
• Grant date: Nov 2, 1999
• Expiry date: Jul 14, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/392
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to compositions which crosslink to give elastomers, comprising; PA1 (A) a polyorganosiloxane (I) with at least two alkenyl groups per molecule and a metallic catalyst (IV) and PA1 (B) a polyorganosiloxane (II) with at least two silicon-bonded hydrogen atoms and an organic sulfur compound (III).