Process for the production of mouldings and films from thermotropic polymers

US4923660A · kind A · utility

Inventors

• Bernd Willenberg · Bensberg, DE
• Aziz El Sayed · Leverkusen, DE
• Harry Rohr · Frechen, DE
• Hans-Rudolf Dicke · Bestwig, DE

Key dates

• Filing date: Mar 25, 1988
• Grant date: May 8, 1990
• Expiry date: Mar 25, 2008

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B29L2007/002
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

By processing fibres and filaments of thermotropic polymers from anisotropic melt, films and mouldings having predeterminable properties are formed.