Process for molding polyurethane foams

US4024090A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wulf von Bonin · Leverkusen, DE
• Helmut Kleimann · Leverkusen, DE
• Udo Post

Key dates

• Filing date: Nov 6, 1974
• Grant date: May 17, 1977
• Expiry date: Nov 6, 1994

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2483/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The mold release properties of a molded polyurethane foam are improved by including in the foamable reaction mixture to be molded a reaction product of a polysiloxane and a monocarboxylic acid or polycarboxylic acid.