Thermotropic, fully aromatic polyesters having a low processing temperature, a process for their production and their use for the production of moldings, filaments, fibers and films

US4970286A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Genz · Krefeld, DE
• Volker Eckhardt · Walsrode, DE
• Karsten-Josef Idel · Krefeld, DE
• Carl Casser · Neunburg vorm Wald, DE

Key dates

• Filing date: Jun 23, 1989
• Grant date: Nov 13, 1990
• Expiry date: Jun 23, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G63/605
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Thermotropic polyesters containing recurring structural units corresponding to the following formulae ##STR1## can be processed at low temperatures and may be used for the production of moldings, filaments, fibers and films.