Process for the preparation of compression molded materials

US5179143A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Eberhard Konig · Kronberg, DE
• Hanns I. Sachs · Cologne, DE
• Peter Kasperek · Much, DE
• Donald-Richard Larimer · Bensberg, DE

Key dates

• Filing date: Feb 13, 1992
• Grant date: Jan 12, 1993
• Expiry date: Feb 13, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L97/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a process for the preparation of compression molded materials comprising compressing a substrate with a binder based on polyisocyanates, wherein said binder comprises polyisocyanates, compounds containing at least two isocyanate reactive hydrogen atoms, and alkylene carbonates.