| 摘要 |
PROBLEM TO BE SOLVED: To provide a block copolymer having excellent proton conductivity even under low humidification condition, excellent in mechanical strength and chemical stability and capable of achieving high output and excellent physical durability when making a solid polymer type fuel cell, a polymer electrolyte material, and a polymer electrolyte molded body and a solid polymer type fuel cell using the same.SOLUTION: There is provided a block copolymer having a segment (A1) containing an ion group, a segment (A2) containing no ion group and a linker part connecting the segments respectively, the segment (A1) containing the ion group contains a constitutional unit represented by a specific structure and the linker part is represented by a specific structure.SELECTED DRAWING: None |
