Process for the preparation of polyarylene sulphides

US4912180A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Ernst-Ulrich Dorf · Krefeld, DE
• Hans-Rudolph Dicke · Krefeld, DE
• Volker Eckhardt · Walsrode, DE
• Joachim Genz · Krefeld, DE

Key dates

• Filing date: Nov 3, 1988
• Grant date: Mar 27, 1990
• Expiry date: Nov 3, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G75/0272
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a process for the preparation of polyarylene sulphides by melt condensation, in which the sulphide bridges of the polymer are formed by the splitting off of a compound which is volatile under the reaction conditions.