Surface treatment of moldings based on liquid crystalline polymers

US5217571A · kind A · utility

Assignee

• BASF SE

Inventors

• Bernhard Rosenau · Neustadt, DE
• Bernd Hisgen · Schifferstadt, DE
• Gerhard Heinz · Bad Dürkheim, DE
• Graham E. McKee · Ludwigshafen, DE
• Helmut Muenstedt · Monsheim, DE
• Wolfgang Eberle · Mainz, DE
• Hartmut Zeiner · Plankstadt, DE

Key dates

• Filing date: Sep 4, 1991
• Grant date: Jun 8, 1993
• Expiry date: Sep 4, 2011

Classification

• Technology area (CPC H): Electricity
• CPC primary: H05K3/387
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

A process for the surface treatment of moldings based on liquid crystalline polymers with acidic or alkaline reagents includes using the reagents in a solvent which is an organic solvent to an extent of not less than 60% by weight.