Low-viscosity polyarylene sulfides

US5326851A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Burkhard Kohler · Leverkusen, DE
• Udo Wolf · Kempen, DE
• Wolfgang Russeler · Krefeld, DE
• Wilfried Haese · Rheydt, DE

Key dates

• Filing date: Nov 16, 1992
• Grant date: Jul 5, 1994
• Expiry date: Nov 16, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G75/025
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to low-viscosity polyarylene sulfides (PAS), preferably polyphenylene sulfides (PPS), which are produced with cycloaliphatic, unsaturated acids as molecular weight regulators.