Flame-resistant polyurethane foam and a process for its production

US4223095A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Heinz Esser · Burscheid, DE
• Hans-Walter Illger · Rösrath, DE
• Heinz Muller · Krefeld, DE
• Willi Kost · Cologne, DE
• Alberto C. Gonzalez-Dorner · Bassano del Grappa, IT

Key dates

• Filing date: Nov 29, 1978
• Grant date: Sep 16, 1980
• Expiry date: Nov 29, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249953
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A flame-resistant polyurethane foam is obtained by treatment of the foam with a mixture of aluminium hydroxide and a carboxyl group-containing polychloroprene latex and cross-linking the latex with zinc oxide or magnesium oxide.