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    • 66. 发明申请
    • POLYBENZAZOLE BLOCK COPOLYMER
    • 聚苯并唑嵌段共聚物
    • WO2006051064A1
    • 2006-05-18
    • PCT/EP2005/055778
    • 2005-11-07
    • SOLVAY (Société Anonyme)MARTIN, Roland
    • MARTIN, Roland
    • C08G73/22C08G73/18C08G75/32B01D71/62H01M8/10H01M8/02
    • C08G73/22B01D71/62B01D71/68B01D71/80C08G73/18H01M8/1027H01M8/103H01M8/1048H01M8/1081H01M2300/0082Y02P70/56
    • The invention concerns a polybenzazole block copolymer suitable for solid polymer electrolyte membranes application comprising: at least one block (Bl) comprising recurring units (R), more than 50 % of said recurring units comprising at least one benzimidazole group (formula 1a and 1b) and at least one sulfonic acid group (formula 2) [recurring units (R1)]; wherein E in formula 1a can be a substituted or non-substituted carbon atom or nitrogen atom, and Q in formula 1 can be a hydrogen atom or a group comprising a sulfonic acid group; and at least one block (B2) comprising recurring units (R'), more than 50 % by moles of said recurring units comprising at least one benzazole group chosen among benzoxazole group (formula 3a and 3b) and benzothiazole group (formula 4a and 4b) [recurring units (R2)], wherein E' and E" in formula 3a and 4a, respectively, can be a substituted or non-substituted carbon atom or nitrogen atom, and the block (B2) is free from sulfonic acid groups. The invention also relates to a polybenzazole polymer composition thereof, a solid polymer electrolyte membrane therefrom, a solid polymer electrolyte doped membrane therefrom, and the fuel cell therefrom.
    • 本发明涉及适用于固体聚合物电解质膜应用的聚吲哚嵌段共聚物,其包含:至少一个包含重复单元(R)的嵌段(B1),超过50%的所述重复单元包含至少一个苯并咪唑基(式1a和1b) 和至少一个磺酸基(式2)[重复单元(R 1)]; 其中式1a中的E可以是取代或未取代的碳原子或氮原子,式1中的Q可以是氢原子或包含磺酸基的基团; 和包含重复单元(R')的至少一个嵌段(B2),大于50摩尔%的所述重复单元包含至少一个选自苯并恶唑基(式3a和3b)的苯并唑基和苯并噻唑基(式4a和4b )[重复单元(R2)],其中式3a和4a中的E'和E“分别可以是取代或未取代的碳原子或氮原子,并且嵌段(B2)不含磺酸基团。 本发明还涉及其聚吲哚聚合物组合物,其固体聚合物电解质膜,由其固体聚合物电解质掺杂的膜及其燃料电池。