| abstract |
A polymer membrane for separating carbon dioxide from other gases with high selectivity, a method for producing the polymer membrane, and a gas separation method using the polymer membrane. A water-soluble polymer and an amine compound represented by the following formula (1), an amine compound represented by the following formula (2), and at least one amine compound selected from the group consisting of polyethylene polyamines. Including polymer membrane. [Chemical 1] [Chemical 2] [Selection] Figure 1 |