Permanent hydrophilic modification of fluoropolymers

US5540837A · kind A · utility

Inventors

• Klaus Lunkwitz · Dresden, DE
• Heide-Marie Buchammer · Dresden, DE
• Wolfgang B urger · Bocholt, DE

Key dates

• Filing date: Dec 21, 1993
• Grant date: Jul 30, 1996
• Expiry date: Dec 21, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249979
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A permanent hydrophilic modification for fluoropolymers is provided where the film consists of a charged polyelectrolyte complex that is reoriented. A process for producing this modification is also provided.