Copolycarbonate from mixture of polyarylene diol

US5084550A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Ralf Pakull · Krefeld, DE
• Dieter Freitag · Krefeld, DE
• Volker Eckhardt · Walsrode, DE
• Karsten-Josef Idel · Krefeld, DE
• Hans R. Kricheldorf · Hamburg, DE
• Dierik Lubbers · Hamburg, DE

Key dates

• Filing date: May 29, 1990
• Grant date: Jan 28, 1992
• Expiry date: May 29, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G64/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The novel thermotropic polycarbonates having recurring structural units of the formulae ##STR1## have good mechanical properties and good processability. They can be used in conventional manner for manufacturing mouldings, filaments, fibres and films.