POROUS MEMBRANE, WATER TREATMENT MEMBRANE AND METHOD FOR PRODUCING POROUS MEMBRANE

Title:

POROUS MEMBRANE, WATER TREATMENT MEMBRANE AND METHOD FOR PRODUCING POROUS MEMBRANE

Document Type and Number:

WIPO Patent Application WO/2017/014130

Kind Code:

A1

Abstract:

This method for producing a porous membrane comprises: a step wherein a polyimide resin or a precursor thereof is dissolved into a solvent, thereby obtaining a casting liquid that contains the polyimide resin or a precursor thereof; a step wherein the casting liquid is applied over a base; a step wherein the casting liquid is brought into contact with a non-solvent material, thereby forming a porous structure having a skin layer on a surface that is not in contact with the base; a step wherein the porous structure is dried; and a step wherein the skin layer is removed from the dried porous structure.

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Inventors:

FUKUYO TOMOYUKI (JP)
ENDO MORINOBU (JP)
TAKEUCHI KENJI (JP)

Application Number:

PCT/JP2016/070710

Publication Date:

January 26, 2017

Filing Date:

July 13, 2016

Export Citation:

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Assignee:

SHOWA DENKO KK (JP)
UNIV SHINSHU (JP)

International Classes:

B01D71/64; B01D69/00; B01D69/02; B01D69/06; B05D7/24

Foreign References:

JP2005081226A	2005-03-31
JPS6388004A	1988-04-19
JP2015058419A	2015-03-30
JP2005034723A	2005-02-10
JP2016155121A	2016-09-01

Attorney, Agent or Firm:

SHIGA Masatake et al. (JP)

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