POLYMER, METHOD FOR PRODUCING SAME, GAS SEPARATION MEMBRANE USING THIS POLYMER, GAS SEPARATION MODULE, GAS SEPARATION DEVICE AND M-PHENYLENEDIAMINE COMPOUND

摘要

A polymer which has a constituent component represented by formula (I); a method for producing this polymer; a diamine compound which is useful as a starting material for this polymer; a gas separation membrane which has a gas separation layer that contains this polymer; a gas separation module which comprises this gas separation membrane; and gas separation device.　In formula (I), each of R^A, R^B and R^C represents a hydrogen atom, an alkyl group having 1-4 carbon atoms or a halogen atom. At least one of R^A, R^B and R^C represents an alkyl group having 1-4 carbon atoms or a halogen atom. The above-described alkyl group having 1-4 carbon atoms is not a trifluoromethyl group; and ** indicates a binding site.