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    • 91. 发明申请
    • BRANCHED POLYSILOXANE COMPOSITION
    • 支链聚硅氧烷组合物
    • WO2008027497A2
    • 2008-03-06
    • PCT/US2007/019117
    • 2007-08-30
    • MOMENTIVE PERFORMANCE MATERIALS INC.SCHLITZER, David, S.BENEVICIUS, John, P.
    • SCHLITZER, David, S.BENEVICIUS, John, P.
    • C09D183/07C08L83/07
    • C08L83/04C08G77/12C08G77/20C08L83/14C09D183/04C08L83/00
    • The invention relates to branched polysiloxane compositions resulting from copolymerizing under hydrosilylation conditions a component mixture comprising (a) one or more organosilicon compounds containing at least two unsaturated hydrocarbon functional groups per molecule, and (b) one or more silylhydride-containing compounds containing at least two silylhydride functional groups per molecule, with the provision that (i) at least one component (a) or (b) contains at least three functional groups per molecule; (ii) a component (a) or (b) having a higher number of functional groups per molecule is present in a molar amount equal to or lower than a molar amount of the other component (a) or (b) having a lower number of functional groups per molecule; and (iii) unsaturated hydrocarbon compounds are excluded from the component mixture.
    • 本发明涉及由氢化硅烷化条件下共聚得到的支化聚硅氧烷组合物,所述组分混合物包含(a)每分子含有至少两个不饱和烃官能团的一种或多种有机硅化合物,和(b) (i)至少一种组分(a)或(b)每个分子含有至少三个官能团;每个分子含有至少两个甲硅烷基氢化物官能团, (ii)每分子具有更多数量官能团的组分(a)或(b)以等于或低于具有更低数目的其它组分(a)或(b)的摩尔量的摩尔量存在 每个分子的官能团; 和(iii)从组分混合物中排除不饱和烃化合物。