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    • 7. 发明授权
    • Polyorganosiloxane composition
    • 聚有机硅氧烷组合物
    • US4839452A
    • 1989-06-13
    • US212464
    • 1988-06-28
    • Atsushi KuritaYasuji MatsumotoSam Huy
    • Atsushi KuritaYasuji MatsumotoSam Huy
    • C08L83/07C08K5/5425C08L83/04C08L83/05
    • C08L83/04C08G77/12C08G77/20
    • An addition curable polyorganosiloxane composition is stabilized against premature cure at room temperature by the presence of one or more compounds selected from the group consisting of (i) a silane compound represented by the following general formula:(R.sup.4).sub.n Si(OR.sup.5).sub.4-nin which R.sup.4 represents a member selected from the group consisting of a hydrogen atom and a substituted or unsubstituted monovalent hydrocarbon group; R.sup.5 represents a substituted or unsubstituted monovalent hydrocarbon group containing a --C.tbd.C-- bond; "n" represents an integer of from 1 to 3; and at least one member selected from the group consisting of Si--H, Si--CH.dbd.CH.sub.2 and Si--C.tbd.CH bonds is contained in the molecule and (ii) an organosilane compound obtainable by subjecting the above silane compound to addition reaction between Si-H and --C.tbd.C-- bonds contained therein.The composition is highly stable at room temperature and can be stored for extended periods of time.
    • 通过存在一种或多种选自以下通式的化合物(i)由以下通式表示的硅烷化合物:(R4)nSi(OR5)4-n(Ⅳ),稳定的可固化聚有机硅氧烷组合物在室温下稳定,防止过早固化 其中R 4表示选自氢原子和取代或未取代的一价烃基的成员; R5表示含有-C3OND C键的取代或未取代的单价烃基; “n”表示1〜3的整数, 并且在分子中包含选自Si-H,Si-CH = CH 2和Si-C 3 F CH 2 CH键中的至少一种,和(ii)通过使上述硅烷化合物进行加成反应而获得的有机硅烷化合物 Si-H和-C 3BOND C键。 该组合物在室温下高度稳定,并且可以长时间储存​​。