Composition for CO2 gas separation membrane, CO2 gas separation membrane and method for producing same, and CO2 gas separation membrane module
US10507434B2 · kind B2 · utility
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3References
18Claims
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Key dates
| Filing date | Aug 6, 2015 |
| Grant date | Dec 17, 2019 |
| Priority date | — |
| Expiry date | Oct 26, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/151
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a composition for a CO2 gas separation membrane containing: at least one compound selected from the group consisting of an alkali metal carbonate, an alkali metal bicarbonate, and an alkali metal hydroxide; a crosslinked polymer in which a polymer having a carboxyl group has been crosslinked; and a non-crosslinked polymer obtained by polymerization of one or more monomers selected from the group consisting of vinyl acetate, acrylic acid, methacrylic acid, and a derivative thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.