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Title:
HOLLOW FIBER MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2011/046514
Kind Code:
A3
Abstract:
A hollow fiber membrane including a selective polymer layer and a supporting polymer layer. The selective layer also contains sulfonate ions and transition metal ions. It has a thickness of 20-300 nm. The supporting layer contains voids having sizes of 1-100,000 nm. It has a thickness of 35-250 µm. The selective layer has a higher density than the supporting layer.

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Inventors:
LI YI (SG)
CHUNG TAI-SHUNG (SG)
Application Number:
PCT/SG2010/000390
Publication Date:
July 14, 2011
Filing Date:
October 13, 2010
Export Citation:
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Assignee:
UNIV SINGAPORE (SG)
LI YI (SG)
CHUNG TAI-SHUNG (SG)
International Classes:
B01D69/08; B01D63/02; B01D69/10; B01D71/00
Foreign References:
US7303609B22007-12-04
US5725633A1998-03-10
US5795920A1998-08-18
US20040200355A12004-10-14
Attorney, Agent or Firm:
AMICA LAW LLC (#18-03/04 Chevron House, Singapore 2, SG)
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