Process for the preparation of high molecular weight, optionally branched polyarylene sulphides

US4595748A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Edgar Ostlinning · Goldkronach, DE
• Karsten-Josef Idel · Krefeld, DE

Key dates

• Filing date: Oct 15, 1984
• Grant date: Jun 17, 1986
• Expiry date: Oct 15, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G75/0254
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a process for the preparation of high molecular weight, optionally branched polyarylene sulphides. These may be prepared in polar organic solvents in the absence of water, substances containing water being dehydrated in the reaction mixture before the reaction.