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    • 10. 发明申请
    • COMPOSITE SEPARATION MEMBRANE
    • 复合分离膜
    • US20110017662A1
    • 2011-01-27
    • US12867757
    • 2009-03-10
    • Jun OkabeHiroki TomiokaMasahiro Henmi
    • Jun OkabeHiroki TomiokaMasahiro Henmi
    • B01D71/70
    • B01D69/125B01D69/10B01D69/12B01D71/70B01D2323/02B01D2325/36
    • In order to obtain a composite separation membrane which has excellent chemical resistance, separation performance and water permeability at the same time, the present invention provides a composite separation membrane comprising a separation function layer on a porous supporting membrane, characterized in that the separation function layer contains at least a polymer of a polyhedral silsesquioxane represented by the following general formula (a) and a hydrophilic monomer. (R1SiO1.5)n(R2SiO1.5)m  General Formula (a) (In the formula, R1 includes a polymerizable reactive moiety; R2 represents a hydrogen atom or an alkyl group, which may be substituted; and n and m each represent an integer satisfying n≧2 or m≧0, with n+m being 8, 10 or 12.)
    • 为了获得同时具有优异的耐化学性,分离性能和透水性的复合分离膜,本发明提供一种复合分离膜,其在多孔支撑膜上具有分离功能层,其特征在于,分离功能层 含有至少一种由以下通式(a)表示的多面体倍半硅氧烷的聚合物和亲水性单体。 (R1SiO1.5)n(R2SiO1.5)m通式(a)(式中,R 1包含可聚合反应性部分; R 2表示氢原子或烷基,可以被取代; n和m各自表示 满足n≥2或m≥0的整数,n + m为8,10或12.)