Anhydrous preparation of polyarylene sulfide in one vessel reaction system

US4500702A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

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

Key dates

• Filing date: Nov 14, 1983
• Grant date: Feb 19, 1985
• Expiry date: Nov 14, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G75/0231
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a process for the production of high molecular weight, optionally branched polyarylene sulphides. These polyarylene sulphides may be produced in a polar organic solvent in the absence of water in a one-vessel reaction.