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    • 5. 发明授权
    • TFE copolymers
    • TFE共聚物
    • US07534825B2
    • 2009-05-19
    • US11002907
    • 2004-12-03
    • Marco MalvasiValeri Kapeliouchko
    • Marco MalvasiValeri Kapeliouchko
    • C08J3/00
    • C08F6/16C08K5/42C09D127/12C08L27/12
    • Dispersions of fluorinated polymers substantially free from fluorinated surfactants, having high stability to shear combined with high stability to segregation, said dispersions comprising one or more anionic surfactants having the following general formula (1): Y′-(P1)n-CH(Y)-(P2)n′-Y″  (1) wherein: Y, Y′ and Y″ are anionic or nonionic groups, with the proviso that at least one of Y, Y′ or Y″ is an anionic group and at least one of the remaining of Y, Y′ or Y″ is a nonionic group; p1 and p2, equal or different, are linear or branched alkylene groups, optionally containing one or more unsaturations, having a number of carbon atoms from 1 to 10, preferably from 1 to 6; n and n′ equal or different, are zero or 1.
    • 所述分散体包含一种或多种具有以下通式(1)的阴离子表面活性剂:<?在线配方说明=“In 线型公式“end =”lead“?> Y' - (P1)n-CH(Y) - (P2)n'-Y”(1)<?in-line-formula description = “end =”tail“?>其中:Y,Y'和Y”是阴离子或非离子基团,条件是Y,Y'或Y“中的至少一个是阴离子基团,并且至少一个 剩余的Y,Y'或Y“是非离子基团; p1和p2相同或不同,是直链或支链的亚烷基,任选地含有一个或多个不饱和基团,其具有1至10个碳原子,优选1至6个碳原子数; n和n'相等或不同,为零或1。