Process for preparing organically modified polyorganosiloxanes

US7605284B2 · kind B2 · utility

Assignee

• GOLDSCHMIDT HOLDING GMBH · DE

Inventors

• Arndt Brueckner · Mülheim an der Ruhr, DE
• Ingrid Eissmann · Gelsenkirchen, DE
• Michael Ferenz · Essen, DE
• Sascha Herrwerth · Essen, DE
• Thomas Neumann · Frankfurt am Main, DE

Key dates

• Filing date: Oct 26, 2006
• Grant date: Oct 20, 2009
• Expiry date: Mar 29, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/46
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the dehydrogenative condensation of alcohols and siloxanes which have at least one hydrogen atom bound to a silicon atom in the molecule, wherein at least one quaternary ammonium hydroxide is used as effective catalyst in this reaction.