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    • 17. 发明授权
    • Process for preparing clustered functional polyorganosiloxanes, and methods for their use
    • 聚簇功能聚有机硅氧烷的制备方法及其使用方法
    • US09593209B2
    • 2017-03-14
    • US13508375
    • 2010-11-03
    • Stanton DentKai SuLauren TongeJames Tonge
    • Stanton DentKai SuLauren TongeJames Tonge
    • C08G77/20C08G77/50C08L83/14
    • C08G77/50C08L83/14
    • A hydrosilylation process is used to prepare a polyorganosiloxane having clustered functional groups at the polyorganosiloxane chain terminals. The ingredients used in the process include a) a polyorganosiloxane having an average of at least 2 aliphatically unsaturated organic groups per molecule, b) a polyorganohydrogensiloxane having an average of 4 to 15 silicon atoms per molecule and at least 4 silicon bonded hydrogen atoms for each aliphatically unsaturated organic group in ingredient a), c) a reactive species having, per molecule at least 1 aliphatically unsaturated organic group and 1 or more curable groups; and d) a hydrosilylation catalyst. The resulting clustered functional polyorganosiloxane is useful in a curable silicone composition for electronics applications.
    • 使用氢化硅烷化方法制备聚有机硅氧烷链末端具有聚簇官能团的聚有机硅氧烷。 在该方法中使用的成分包括a)每分子平均具有至少2个不饱和有机基团的聚有机硅氧烷,b)每个分子平均具有4至15个硅原子的平均有机硅氢氧化硅和每个分子具有至少4个硅键合的氢原子 成分a)中的脂族不饱和有机基团,c)每分子具有至少1个脂族不饱和有机基团和1个或更多个可固化基团的反应性物质; 和d)氢化硅烷化催化剂。 所得聚集的官能聚有机硅氧烷可用于电子应用的可固化硅氧烷组合物。