Process for the preparation of thermosetting aliphatic polycarbonate with quaternary salt catalyst

US4707539A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Peter Mues · Duisburg, DE
• Dimitrios Kerimis · Cologne, DE
• Hanns P. Muller · Leverkusen, DE
• Hans-Josef Buysch · Krefeld, DE

Key dates

• Filing date: Jun 18, 1986
• Grant date: Nov 17, 1987
• Expiry date: Jun 18, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G64/30
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a new process for the preparation of thermosetting aliphatic polycarbonates from cyclic aliphatic carbonic acid ester by ring-opening polymerization.