| abstract |
A novel anion exchange block copolymer having high anion exchange ability, excellent water resistance, particularly water resistance in water at 80 ° C. or higher, and good moldability, and the anion exchange block An anion exchange membrane containing a copolymer is provided. A polymer block (A) comprising an aromatic vinyl compound unit having an anion exchange group and a polymer block (B) comprising an aromatic vinyl compound unit having no ion exchange group. A block copolymer, and an anion exchange membrane containing the block copolymer. [Selection figure] None |