| 摘要 |
The problem to be solved by the present invention is to provide a separation membrane which is mainly composed of a cellulose resin and has excellent separation performance, high membrane strength and high permeation performance. The present invention is a separation membrane characterized by containing a cellulose ester, and having, formed therein, voids each having a specific structure, and having a tensile elastic modulus of 1,500 to 6,500 MPa. |
