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    • 8. 发明授权
    • Mixed-sulfonation block copolymers
    • 混合磺化嵌段共聚物
    • US07598337B2
    • 2009-10-06
    • US11314337
    • 2005-12-20
    • Joyce HungHongyi ZhouDavid Roger MooreMarianne Elisabeth HarmonDaniel Joseph BrunelleHongwei Liu
    • Joyce HungHongyi ZhouDavid Roger MooreMarianne Elisabeth HarmonDaniel Joseph BrunelleHongwei Liu
    • C08G2/00
    • C08G65/4012C08G65/48C08G75/23
    • Sulfonated block copolymers that may be used as membranes for fuel cells include sulfonated polyaryletherketone blocks and lightly sulfonated polyethersulfone blocks.The sulfonated polyaryletherketone blocks include structural units of formula and the lightly sulfonated polyethersulfone blocks include structural units of formula wherein R1, R2, R3, R4, R5 and R6 are independently C1-C10 alkyl, C3-C12 cycloalkyl, C6-C14 aryl, allyl, alkenyl, alkoxy, halo, or cyano; Z, Z1 and Z2 are independently a direct bond or O, S, (CH2)r, (CF2)r, C(CH3)2, C(CF3)2, or a combination thereof; M is H, a metal cation, a non-metallic inorganic cation, an organic cation or a mixture thereof; a and e are independently 0 or an integer from 1 to 3; b, c, d, and f are independently 0 or an integer from 1 to 4; m, n and p are independently 0 or 1; and r is an integer from 1 to 5.
    • 可用作燃料电池膜的磺化嵌段共聚物包括磺化聚芳醚酮嵌段和轻质磺化聚醚砜嵌段。 磺化的聚芳醚酮嵌段包括式的结构单元,轻度磺化的聚醚砜嵌段包括下式的结构单元:其中R1,R2,R3,R4,R5和R6独立地为C1-C10烷基,C3-C12环烷基,C6-C14芳基,烯丙基 ,烯基,烷氧基,卤素或氰基; Z,Z 1和Z 2独立地为直接键或O,S,(CH 2)r,(CF 2)r,C(CH 3)2,C(CF 3) M是H,金属阳离子,非金属无机阳离子,有机阳离子或其混合物; a和e独立地为0或1〜3的整数; b,c,d和f独立地为0或1〜4的整数; m,n和p独立地为0或1; r为1〜5的整数。