Patent ID: 9700849
Date: 2017-07-11
CPC Classifications: B01D,C08G,C10L,Y02C,Y02P

Claim:
1. A gas separation membrane having a gas separating layer containing a polybenzoxazole resin, in which the polybenzoxazole exhibits a solubility of 1% by mass or more to any one solvent selected from tetrahydrofuran, chloroform, methyl ethyl ketone, and N-methylpyrrolidone, at a temperature of 30° C., wherein the gas separating layer is formed using a solution of the polybenzoxazole resin, and the polybenzoxazole resin has a repeating unit represented by the following formula (I) wherein, in formula (I), R wherein, in formula (I), R wherein R wherein R