Condensation crosslinking silicone foams

US8409700B2 · kind B2 · utility

Assignee

• Sonderhoff Chemicals GmbH · DE

Inventors

• Stephan Morhenn · Krefeld, DE
• Alfred Link

Key dates

• Filing date: Feb 24, 2009
• Grant date: Apr 2, 2013
• Expiry date: Feb 13, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24999
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for producing silicone foam, involves a reaction mixture in which hydrogen is released in a first reaction of compounds with at least one Si—H group in the presence of a basic catalyst. The reaction mixture is crosslinked in a second reaction in the presence of a metal catalyst.