Preparation of organopolysiloxane polymers

US4113760A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Volker Frey · Burghausen, DE
• Rudolf Riedle · Burghausen, DE
• Peter John · Burghausen, DE
• Gerhard Kalchgruber · Burghausen, DE
• Helmut Spork
• Robert Scott Leser · Burghausen, DE

Key dates

• Filing date: Jun 22, 1977
• Grant date: Sep 12, 1978
• Expiry date: Jun 22, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/045
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An improved process for converting organopolysiloxane polymers which comprises reacting halosilanes which organopolysiloxanes in the presence of activated charcoal and if desired, an inorganic acid.