Invention Publication
- Patent Title: GAS SEPARATION MEMBRANE
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Application No.: EP22883148.3Application Date: 2022-05-16
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Publication No.: EP4420768A1Publication Date: 2024-08-28
- Inventor: KAWASHIMA,Toshiyuki , NOMI,Shunsuke , SAKAKIBARA,Yasuyuki , FANG,Jianhua , YU,Jingqiu , GUO,Xiaoxia
- Applicant: Nitto Denko Corporation
- Applicant Address: JP Ibaraki-shi, Osaka 567-8680 1-1-2, Shimohozumi
- Assignee: Nitto Denko Corporation
- Current Assignee: Nitto Denko Corporation
- Current Assignee Address: JP Ibaraki-shi, Osaka 567-8680 1-1-2, Shimohozumi
- Agency: Cabinet Beau de Loménie
- Priority: JP 21172533 2021.10.21
- International Application: JP2022020333 2022.05.16
- International Announcement: WO2023067835 2023.04.27
- Main IPC: B01D71/64
- IPC: B01D71/64 ; C08G73/10
Abstract:
An object of the present invention is to provide a gas separation membrane containing a novel sulfonated polyimide and having superior gas separation performance. The gas separation membrane of the present invention contains a sulfonated polyimide represented by the following general formula (1):
wherein Ar is an aryl group, X is more than 0 and 1 or less, and M+ is H+ or a metal cation.
wherein Ar is an aryl group, X is more than 0 and 1 or less, and M+ is H+ or a metal cation.
Information query
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