公开(公告)号：EP3950102A1

公开(公告)日：2022-02-09

申请号：EP20777257.5

申请日：2020-03-12

申请人： NITTO DENKO CORPORATION

发明人： YOSHIMURA Kazuya ,  IWASAKI Daiki ,  KIMURA Naomichi ,  NISHIYAMA Shinya

IPC分类号： B01D69/00 ,  B01D69/10 ,  B01D69/12 ,  B01D71/56

摘要： The present invention provides a separation membrane that is suitable for separating an acid gas from a gas mixture containing the acid gas and has a high acid gas permeability. A separation membrane (10) of the present invention includes: a separation functional layer (1); a porous support member (3) supporting the separation functional layer (1); and an intermediate layer (2) disposed between the separation functional layer (1) and the porous support member (3), and including a matrix (4) and nanoparticles (5) dispersed in the matrix (4).