| 摘要 |
PROBLEM TO BE SOLVED: To provide a block copolymer exhibiting excellent protonic conductivity even in a poorly damp condition, additionally capable of achieving excellent mechanical strength, chemical stability and physical durability, and excellent in practical use; and to provide a polymer electrolyte material, a polymer electrolyte molding and a solid polymer fuel cell using the block copolymer.SOLUTION: The block copolymer has a segment (A1) containing an ionic group, a segment (A2) containing no ionic group, and a linker site to link between the segments, wherein the segment (A1) containing an ionic group has a specific structural unit, and the linker site has a specific structural unit. |
