Process for the production of polyarylene sulphides

US4535149A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Ebert · Krefeld, DE
• Rolf-Volker Meyer · Krefeld, DE
• Karsten-Josef Idel · Krefeld, DE
• Rolf Dhein · Krefeld, DE

Key dates

• Filing date: May 7, 1984
• Grant date: Aug 13, 1985
• Expiry date: May 7, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G75/0268
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a new process for the production of optionally branched polyarylene sulphides from optionally substituted halo-benzenes in admixture with polyhalogen aromatic compounds and alkali sulphides in polar solvents in the presence of disulphide compounds.