SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME

Title:

SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2024/048359

Kind Code:

A1

Abstract:

A separation membrane according to the present invention contains poly(4-methyl-1-pentene) as a main component, includes a dense layer in at least one surface layer, and has an area ratio occupied by lamellar crystal in a surface (1) on the side including the dense layer of 5 to 50%. According to the present invention, provided is a separation membrane which uses poly(4-methyl-1-pentene) to impart high solvent resistance and gas permeability.

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Inventors:

AKUTSU MIKU (JP)
TAKADA KOICHI (JP)
OGAWA TAKAFUMI (JP)
HANAKAWA MASAYUKI (JP)
TAGUCHI MARINA (JP)
EIMURA HIROKI (JP)
AOYAMA SHIGERU (JP)
YAMAMURA GOHEI (JP)

Application Number:

PCT/JP2023/030075

Publication Date:

March 07, 2024

Filing Date:

August 22, 2023

Export Citation:

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Assignee:

TORAY INDUSTRIES (JP)

International Classes:

B01D61/00; B01D63/02; B01D69/00; B01D69/08; B01D71/26; D01F6/04

Foreign References:

JPH06246139A	1994-09-06
JPH06246140A	1994-09-06
JP2010269307A	2010-12-02
JP2017516652A	2017-06-22
US6409921B1	2002-06-25
JP2002535115A	2002-10-22

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