COMPOSITION FOR FORMING FILTRATION MEMBRANE, METHOD FOR MANUFACTURING FILTRATION MEMBRANE BY USING SAME, AND FILTRATION MEMBRANE

Title:

COMPOSITION FOR FORMING FILTRATION MEMBRANE, METHOD FOR MANUFACTURING FILTRATION MEMBRANE BY USING SAME, AND FILTRATION MEMBRANE

Document Type and Number:

WIPO Patent Application WO/2020/130674

Kind Code:

A1

Abstract:

Disclosed are: a composition for forming a filtration membrane, the composition comprising a vinylidene fluoride-based resin, a polyester-based diluent, a hydrophilic polymer additive, and 2-pyrrolidone; a method for manufacturing a filtration membrane by using same; and a filtration membrane manufactured from same.

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Inventors:

PARK BUM JIN (KR)
IM DONG JUN (KR)

Application Number:

PCT/KR2019/018105

Publication Date:

June 25, 2020

Filing Date:

December 19, 2019

Export Citation:

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Assignee:

LOTTE CHEMICAL CORP (KR)

International Classes:

B01D71/34; B01D67/00; B01D69/08; B01D71/48; B01D71/76

Foreign References:

KR20180032837A	2018-04-02
KR20160116466A	2016-10-10
KR20150069422A	2015-06-23
JP2009095812A	2009-05-07

Other References:

TSAI, J.T.: "Retainment of pore connectivity in membranes prepared with vapor-induced phase separation", JOURNAL OF MEMBRANE SCIENCE, vol. 362, 1 August 2010 (2010-08-01), pages 360 - 373, XP027210255

Attorney, Agent or Firm:

AJU INTERNATIONAL LAW & PATENT GROUP (KR)

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