Patent ID: 11312818

Abstract:
This is to provide a non-halogen containing compound excellent in proton conductivity and capable of suitably being used for a polymer electrolytic fuel cellThe compound of the present invention has a structure represented by the following general formula (I).(In the above-mentioned general formula (I), “l” and “n” are molar fractions when l+n=1.0, and 0≤l<1.0 and 0<n≤1.0, A represents a structure represented by the following general formula (II) or (III), B represents a structure represented by the following general formula (VII), the respective structural units are random copolymerized, and at least one benzene ring in the formula (I) has at least one sulfo group.)(In the above-mentioned general formula (II) or (III), R1 to R4 are each independently selected from hydrogen and an alkyl group having 1 to 3 carbon atoms, le and R2 form together with the carbon atom, they are attached to, an aromatic ring or a fused aromatic ring and R3 and R4 form together with the carbon atom, they are attached to, an aromatic ring or a fused aromatic ring, or R1, R3 and R4 are hydrogens and R2 is a single bond and bonded to the carbon of “c”,