An aromatic copolymer comprises a hydrophilic segment (A) and a hydrophobic segment (B), wherein the hydrophilic segment (A) comprises a structural unit (1) having a proton conductive group, and the hydrophobic segment (B) comprises at least one structural unit selected from the group consisting of a structural unit (2) and a structural unit (3), wherein the structural unit (2) is a divalent structural unit having an aromatic ring and no proton conductive groups and having two bonding sites at the para-position of one ring included in the aromatic ring, and the structural unit (3) is a divalent structural unit having a benzene ring and is a structural unit different from the structural unit (2), the hydrophobic segment (B) in its entirety contained in the aromatic copolymer including both the structural unit (2) and the structural unit (3).
一种芳香族共聚物包括亲
水段(A)和疏
水段(B),其中亲
水段(A)包括具有质子传导基团的结构单元(1),疏
水段(B)包括至少一个结构单元,该结构单元选自由结构单元(2)和结构单元(3)组成的组、其中,结构单元(2)是二价结构单元,具有一个芳香环,没有质子传导基团,并且在芳香环所包含的一个环的对位上有两个键合位点,结构单元(3)是二价结构单元,具有一个
苯环,并且是不同于结构单元(2)的结构单元,疏
水段(B)整体包含在包括结构单元(2)和结构单元(3)的芳香族共聚物中。