Method of preparing polyurethane foam utilizing organofunctionally modified polysiloxanes

US5990187A · kind A · utility

Assignee

• Th. Goldschmidt. AG · DE

Inventors

• Tammo Boinowitz · Essen, DE
• Georg Burkhart · Essen, DE
• Rolf-Dieter Langenhagen · Hattingen, DE
• Ingo Schlachter · Essen, DE
• Andreas Weier · Essen, DE

Key dates

• Filing date: Jun 6, 1997
• Grant date: Nov 23, 1999
• Expiry date: Jun 6, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2483/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to the use of polysiloxane-polyoxyalkylene copolymers of the general formula I ##STR1## as additives in the production of polyurethane foams.