Patent ID: 8431676
Filing Date: 2013-04-30
Classification: C07C,C08G,C08J,H01M,Y02E

Abstract:
1. A polyarylene copolymer comprising a structural unit represented by formula (1′): wherein A, D and E are each at least one structure selected from the group consisting of a direct bond, —O—, —S—, —CO—, —SO each B is independently an oxygen atom or a sulfur atom; R 1 and o are each an integer of 0 to 4; m is an integer of 1 to 4; q is an integer of 2 or greater; n and p indicate a composition ratio of the respective units and are each a number ranging from 0 to 1; n+p=1; and n is 0.3 to 0.75.