POLYAMIDE REVERSE OSMOSIS MEMBRANE HAVING EXCELLENT DURABILITY AND ANTIFOULING PROPERTIES, AND METHOD FOR MANUFACTURING SAME

Title:

POLYAMIDE REVERSE OSMOSIS MEMBRANE HAVING EXCELLENT DURABILITY AND ANTIFOULING PROPERTIES, AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2022/124554

Kind Code:

A1

Abstract:

The present invention relates to a polyamide reverse osmosis membrane having excellent durability and antifouling properties and a method for manufacturing same, the polyamide reverse osmosis membrane comprising: a porous support; a polyamide layer formed on at least one surface of the porous support; an antifouling layer formed on the polyamide layer; and a protective coating film formed on the antifouling layer and cross-linked and connected to the antifouling layer, wherein the polyamide reverse osmosis membrane has improved antifouling properties without a reduction in flow rate and salt removal rate, has little deterioration in physical properties due to fouling and little change over time due to a preservation solution, and has excellent chlorine durability.

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Inventors:

KIM CHEONG HEE (KR)
LEE JONG HWA (KR)
KOO JA YOUNG (KR)

Application Number:

PCT/KR2021/014310

Publication Date:

June 16, 2022

Filing Date:

October 15, 2021

Export Citation:

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Assignee:

TORAY ADVANCED MAT KOREA INC (KR)

International Classes:

B01D71/56; B01D61/02; B01D65/08; B01D67/00; B01D69/10; B01D69/12; C02F1/44

Foreign References:

KR20200013892A	2020-02-10
KR20180043733A	2018-04-30
KR20170060342A	2017-06-01
KR20120022414A	2012-03-12
JP2012020281A	2012-02-02