Title:
ORGANIC SOLVENT-SOLUBLE COPOLYMER POLYESTER, COMPOSITION FOR FORMING ULTRAFILTRATION MEMBRANE COMPRISING SAME, AND HIGH WATER PERMEABILITY REVERSE OSMOSIS MEMBRANE PREPARED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2021/246629
Kind Code:
A1
Abstract:
The present invention relates to an organic solvent-soluble copolymer polyester, a composition that is for forming an ultrafiltration membrane and comprises same, and a high water permeability reverse osmosis membrane prepared therefrom. More specifically, the present invention relates to a polyester that has a high solubility in organic solvents at room temperature and thus can be used to produce ultrafiltration membranes at low cost, a composition that is for forming an ultrafiltration membrane and comprises same, and a high water permeability reverse osmosis membrane prepared therefrom, wherein the reverse osmosis membrane has a reduced production cost and high water permeability.
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Inventors:
BYUN GWANG SU (KR)
LIM JAE WON (KR)
LEE JEONG HWAN (KR)
LIM JAE WON (KR)
LEE JEONG HWAN (KR)
Application Number:
PCT/KR2021/004104
Publication Date:
December 09, 2021
Filing Date:
April 02, 2021
Export Citation:
Assignee:
TORAY ADVANCED MAT KOREA INC (KR)
International Classes:
C08G63/181; B01D61/02; B01D61/14; B01D69/10; B01D71/48; C02F1/44
Domestic Patent References:
| WO2015046250A1 | 2015-04-02 |
Foreign References:
| JP2648191B2 | 1997-08-27 | |||
| KR20150079213A | 2015-07-08 | |||
| KR20100136809A | 2010-12-29 | |||
| JP2019070205A | 2019-05-09 | |||
| KR101771171B1 | 2017-08-25 | |||
| KR20200021727A | 2020-03-02 |
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)
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