| 摘要 |
PROBLEM TO BE SOLVED: To provide a new polyarylene or the like having a perfluoroalkyl sulfonic acid as an ion exchange group.SOLUTION: A polyarylene is provided, including a repeating unit having an ion exchange group expressed by formula (1). In the formula, W represents one of a direct bond, -O-, -S-, -SO-, -SO- and -CO-; m represents an integer of 0 to 3; p represents an integer of 1 to 12; q represents an integer of 1 to 12; r represents an integer of 0 to 10; Rrepresents identical or different groups of a fluorine atom, an alkyl group or the like, in which a hydrogen atom included in the alkyl group or the like can be substituted with at least one selected from the group consisting of a fluorine atom or the like, or two of Rwith adjoining bonding positions cay be bonded together with a carbon atom on a benzene ring to which the Ris bonded, to form a ring. |
