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

US4598144A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Edgar Ostlinning · Goldkronach, DE
• Karsten-Josef Idel · Krefeld, DE
• Wolfgang Eisermann · Goldkronach, DE
• Dieter Freitag · Krefeld, DE

Key dates

• Filing date: Mar 11, 1985
• Grant date: Jul 1, 1986
• Expiry date: Mar 11, 2005

Classification

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

Abstract

The present invention relates to a process for the production of high molecular weight, optionally branched polyarylene sulphides. These can be produced in a polar organic solvent in the absence of water in a reaction vessel cascade comprising from two to six reaction vessels.