Title:
POLYAMIDE-BASED REVERSE OSMOSIS MEMBRANE HAVING EXCELLENT INITIAL PERMEATE FLOW RATE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2013/176508
Kind Code:
A1
Abstract:
The present invention relates to a reverse osmosis membrane and to a method for manufacturing same. The reverse osmosis membrane comprises: a porous support; a polysulfone layer formed on the porous support; and a polyamide active layer formed on the polysulfone layer. The polyamide active layer is formed by interfacial polymerization of an amine compound and an acyl halide compound. The acyl halide compound comprises monofunctional acyl halide and multifunctional acyl halide.
Inventors:
YOO JOUNG-EUN (KR)
SHIN CHONG-KYU (KR)
KO YOUNG-HOON (KR)
SHIN CHONG-KYU (KR)
KO YOUNG-HOON (KR)
Application Number:
PCT/KR2013/004547
Publication Date:
November 28, 2013
Filing Date:
May 23, 2013
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B01D61/02; B01D69/12; B01D71/56; B01D71/68; B01D71/82
Foreign References:
| KR20100078822A | 2010-07-08 | |||
| US20110155660A1 | 2011-06-30 | |||
| US20100216899A1 | 2010-08-26 | |||
| US20010042715A1 | 2001-11-22 | |||
| US5051178A | 1991-09-24 |
Other References:
See also references of EP 2857085A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
특허법인 씨엔에스 (KR)
특허법인 씨엔에스 (KR)
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