GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATION DEVICE, AND GAS SEPARATION METHOD

WIPO Patent Application WO/2017/145747

A1

Provided are: a gas separation membrane which is capable of achieving both excellent gas permeability and excellent gas separation selectivity, even if used under high-pressure conditions, and which is capable of maintaining excellent gas separation selectivity, even if brought into contact with impurity components such as toluene; a gas separation module using said gas separation membrane; a gas separation device; and a gas separation method. This gas separation membrane is provided with a gas separation layer including a polyimide compound. The polyimide compound includes repeating units represented by formula (I). Rf1, Rf4, Rf5, and Rf8 represent alkyl groups. Rf2, Rf3, Rf6, Rf7, and Rf9-Rf16 represent hydrogen atoms or substituents, and at least one is a specific polar group. A represents a single bond or a divalent linking group having a specific structure. R represents a mother nucleus having a specific structure.

KITAMURA TETSU (JP)
INOMATA SOTARO (JP)
YUMOTO MASATOSHI (JP)
HARADA MOTOI (JP)

PCT/JP2017/004465

August 31, 2017

February 08, 2017

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FUJIFILM CORP (JP)

B01D71/64; B01D53/22; B01D69/02; B01D69/10; B01D69/12; C08G73/10

WO2015183056A1

2015-12-03

JPH05230211A	1993-09-07
JP2010189578A	2010-09-02
JPH08333451A	1996-12-17
JPH08333452A	1996-12-17
JPH08333453A	1996-12-17
JPH05192552A	1993-08-03
JP2005334687A	2005-12-08
JPH02261524A	1990-10-24
JPH05228350A	1993-09-07

NAKASHIMA Junko et al. (JP)

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