Title:
GAS SEPARATION MEMBRANE, GAS SEPARATION MEMBRANE MODULE, AND PRODUCTION METHOD FOR GAS SEPARATION MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2022/030196
Kind Code:
A1
Abstract:
A gas separation membrane comprising a composite membrane, wherein the composite membrane has a gas separation function layer, and a compound having a composition different from that of a compound included in the gas separation function layer, and the proportion of the gas separation function layer that is present in at least one surface of the gas separation membrane is not less than 90% but less than 100%. Provided is a gas separation membrane that can inhibit damage to a gas separation function layer during a production process of a gas separation membrane module or during use of the gas separation membrane module, even in the case where the gas separation function layer has a portion having a low strength.
Inventors:
KAKIYAMA SO (JP)
MIHARA TAKAAKI (JP)
MIHARA TAKAAKI (JP)
Application Number:
PCT/JP2021/026228
Publication Date:
February 10, 2022
Filing Date:
July 13, 2021
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D69/00; B01D69/08; B01D69/12; B01D71/02; B01D71/06; B01D71/54; B01D71/72
Domestic Patent References:
| WO2019235315A1 | 2019-12-12 | |||
| WO2014007140A1 | 2014-01-09 |
Foreign References:
| JP2019042636A | 2019-03-22 | |||
| JP2018027520A | 2018-02-22 | |||
| JP2014079712A | 2014-05-08 |
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