Use of microphase-separated polymer blends for the preparation of permeable membranes

US6214936A · kind A · utility

Inventors

• Christof Mehler · Dossenheim, DE
• Axel Gottschalk · Neustadt, DE
• Ulrike Breiner · Wiesbaden, DE
• Reimund Erich Stadler · Witten, DE
• Cacilda Pereira Widmer-Stadler · Königstein, DE
• Thorsten Goldacker · Roßdorf, DE

Key dates

• Filing date: Jun 23, 1999
• Grant date: Apr 10, 2001
• Expiry date: Jun 23, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D71/24
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The use of microphase-separated polymer blends, comprising A-B-C triblockcopolymers containing an elastomeric middle block B and A'-C' diblockcopolymers, for the preparation of permeable membranes.