公开(公告)号：EP4357008A1

公开(公告)日：2024-04-24

申请号：EP23204695.3

申请日：2023-10-19

申请人： Seiko Epson Corporation

发明人： HORIUCHI, Yuta ,  MIYAZAWA, Hiromu ,  MATSUMOTO, Yasutaka ,  IWAKAMI, Oshi

IPC分类号： B01D67/00 ,  B01D53/22 ,  B01D69/12 ,  B01D71/70 ,  B01D71/74

CPC分类号： B01D69/12 ,  B01D53/228 ,  B01D67/00045 ,  B01D71/701 ,  B01D71/74 ,  B01D2325/0420130101 ,  B01D2325/2020130101

摘要： A gas separation membrane that separates, by selective transmission, carbon dioxide from a mixed gas containing the carbon dioxide and nitrogen, the gas separation membrane including: a first layer; and a second layer provided at one surface of the first layer and composed of a compound having carbon dioxide separation ability, wherein an average thickness of the second layer is smaller than an average thickness of the first layer, and the second layer satisfies 0.56