Long-term stability of the electrical conductivity of pyrrole polymers

US4578433A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Muenstedt · Monsheim, DE
• Herbert Naarmann · Wattenheim, DE

Key dates

• Filing date: Dec 20, 1984
• Grant date: Mar 25, 1986
• Expiry date: Dec 20, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F8/00
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

The long-term stability of the electrical conductivity of pyrrole polymers is improved by a process in which the polymers are treated with an aqueous acid. Pyrrole polymers treated in this manner are used as conductor elements in the electrical industry.