| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas separation membrane that is made of a new soluble polyimide, has improved gas separation performance and further has long-period stability under film use conditions, and to provide a gas separation method using the gas separation membrane.SOLUTION: There is provided a gas separation membrane made of a polyimide and characterized in that at least a part of a diamine component comprises a diamine component having a specific structure. |
