C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 61/12 (2006.01) C08F 287/00 (2006.01) C08J 5/22 (2006.01)
Patent
CA 2517484
The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and processability, a process for producing the copolymer, a solid polymer electrolyte and a proton conductive membrane. The sulfonic group-containing polyarylene block copolymer includes a polymer segment with an ion conductive component represented by the formula (A) and at least one polymer segment without an ion conductive component represented by the formulae (B-1), (B-3) and the like and containing an aromatic ring bonded at the meta-positions or ortho-positions: (see formula A) (see formula B-1) (see formula B-3) wherein X is a single bond, -CO-, -SO2- or the like; W is a single bond, -CO-, -SO2- or the like; Q is a single bond, -O-, -S- or the like; J is a single bond, -CO-, -SO2- or the like; and R1 to R24 are each a hydrogen atom, a fluorine atom, an alkyl group or the like.
Goto Kohei
Konno Yousuke
Okada Takashi
Otsuki Toshihiro
Shinoda Mayumi
Jsr Corporation
Smart & Biggar
LandOfFree
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