POLYELECTROLYTE AND PROTON-CONDUCTIVE FILM

摘要

PROBLEM TO BE SOLVED: To provide a sulfonic group-containing polymer improved in resistance to hot water and resistance to radicals (durability), a solid polyelectrolyte comprising the polymer, and a proton-conductive film comprising the electrolyte.

SOLUTION: The polyelectrolyte comprises a sulfonated product of a polymer represented by general formula (1) [wherein X and Y are bonded in a random, alternate or block manner; and x and y are each a number of at least 2].

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