Method for preparing highly asymmetric ultrafiltration membranes

• Main Authors: WANG, I-FAN, KESTING, ROBERT, DITTER, JEROME F, MORRIS, RICHARD A
• Format: Patent
• Language: English; French; German
• Published: 22.12.2010
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The present invention relates to highly asymmetric polymer membranes for ultrafiltration (UF), and to a simplified method of their manufacture. Disclosed herein are UF membranes with a high degree of asymmetry between the size of pores at the skin face of the membrane and the size of pores at the op...