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    • 3. 发明授权
    • Silicone composition and devices incorporating same
    • 有机硅组合物和结合相同的装置
    • US08257827B1
    • 2012-09-04
    • US13151704
    • 2011-06-02
    • Frank ShiRalph ClaymanMichael K. LouieYeong-Her LinYuan-Chang Lin
    • Frank ShiRalph ClaymanMichael K. LouieYeong-Her LinYuan-Chang Lin
    • B32B5/16
    • A61L29/06A61L29/16A61L2400/12Y10T428/256C08L83/04
    • A silicone composition having anti-microbial properties contains well distributed silica and nanoparticles of a noble metal. Silica and nanoparticles of a noble metal are added to liquid vinyl-terminated polydimethylsiloxane. A coupling agent is then added to the mixture and heated, the coupling agent comprising trialkoxysilane having a formula R1Si(OR2)3, wherein R1 is vinyl or allyl, and R2 is an alkyl radical having from 1 to 3 carbon atoms. In one embodiment, trimethylsiloxy terminated polymethylhydrosiloxane is then added to the mixture and heated in the presence of a catalyst so as to cross-link and cure the same into a silicone elastomer. In another embodiment, in place of the trimethylsiloxy terminated polymethylhydrosiloxane, a peroxide is added to mixture and heated to form the silicone. In this later example, no catalyst is needed.
    • 具有抗微生物性能的硅氧烷组合物包含分布良好的二氧化硅和贵金属的纳米颗粒。 将二氧化硅和贵金属的纳米颗粒加入到乙烯基封端的聚二甲基硅氧烷中。 然后将偶联剂加入到混合物中并加热,偶联剂包含具有式R 1 Si(OR 2)3的三烷氧基硅烷,其中R 1是乙烯基或烯丙基,R 2是具有1至3个碳原子的烷基。 在一个实施方案中,然后将三甲基甲硅烷氧基封端的聚甲基氢硅氧烷加入到混合物中并在催化剂存在下加热,以便将其交联并固化成硅氧烷弹性体。 在另一个实施方案中,代替三甲基甲硅烷氧基封端的聚甲基氢硅氧烷,将过氧化物加入到混合物中并加热形成硅氧烷。 在该后续实施例中,不需要催化剂。