Gas separating membrane having a polycarbodiimide resin layer

摘要

Disclosed is a gas separating membrane comprising a layer made of a polycarbodiimide resin having repeating units represented by formula (I): wherein R represents a divalent organic group. The gas separating membrane available according to the present invention has high permeability and separation selectivity as well as excellent permeating performance, and further has excellent heat resistance, chemical resistance and durability.