申请人:Max-Planck-Gesellschaft zur Forderung der Wisse
公开号:US20130079469A1
公开(公告)日:2013-03-28
A copolymer containing, in addition to recurring elements of a sulfonated poly(arylene) containing exclusively recurring structural element(s) of the general formulas —[—Ar
1
(SO
3
M)
n
-X—]— and —[—Ar
2
(SO
3
M)
n
-Y—]—, wherein X and Y, which are identical or different from each other, each represent an electron-acceptor group, Ar
1
and Ar
2
, which are either identical or different from each other, represent an aromatic or heteroaromatic ring system with 5-18 ring atoms; wherein the aromatic or heteroaromatic ring system, in addition to the SO
3
M and the substituents X and Y, optionally comprises additional substituents which are not electron-donor groups; M represents monovalent cation and n is an integral number between 1 and 4; and wherein X, Y, Ar
1
, Ar
2
, M and n can be identical or different in various structural elements, independently of each other, one or several additional elements of at least one additional monomer or macromonomer.