Title:
GAS SEPARATION MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2023/067835
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a gas separation membrane containing a novel sulfonated polyimide and having excellent gas separation performance. The gas separation membrane includes a sulfonated polyimide represented by general formula (1). (In the formula, Ar is an aryl group, X is greater than 0 and no more than 1, and M+ is a H+ or a metal cation.)
Inventors:
KAWASHIMA TOSHIYUKI (JP)
NOMI SHUNSUKE (JP)
SAKAKIBARA YASUYUKI (JP)
FANG JIANHUA (JP)
YU JINGQIU (JP)
GUO XIAOXIA (JP)
NOMI SHUNSUKE (JP)
SAKAKIBARA YASUYUKI (JP)
FANG JIANHUA (JP)
YU JINGQIU (JP)
GUO XIAOXIA (JP)
Application Number:
PCT/JP2022/020333
Publication Date:
April 27, 2023
Filing Date:
May 16, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C08G73/10; B01D71/64
Foreign References:
| JP2013229121A | 2013-11-07 | |||
| JP2005272666A | 2005-10-06 | |||
| JP2003277501A | 2003-10-02 | |||
| CN108043232A | 2018-05-18 | |||
| JP2003064181A | 2003-03-05 |
Other References:
L. M.ROBENSON: "The upper bound revisited", J. MEMBR. SCI., vol. 320, 2008, pages 390 - 400
H. FU ET AL., J. APPL. POLYM. SCI., vol. 51, 1994, pages 1405 - 1409
Y. K. KIM ET AL., J. MEMBR. SCI., vol. 226, 2003, pages 145 - 158
K. TANAKA ET AL., POLYMER, vol. 47, 2006, pages 4370 - 4377
X. GUO ET AL., MACROMOLECULES, vol. 35, 2002, pages 6707 - 6713
H. FU ET AL., J. APPL. POLYM. SCI., vol. 51, 1994, pages 1405 - 1409
Y. K. KIM ET AL., J. MEMBR. SCI., vol. 226, 2003, pages 145 - 158
K. TANAKA ET AL., POLYMER, vol. 47, 2006, pages 4370 - 4377
X. GUO ET AL., MACROMOLECULES, vol. 35, 2002, pages 6707 - 6713
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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