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    • 18. 发明授权
    • Silicone compositions and related methods
    • 硅酮组合物及相关方法
    • US09540494B2
    • 2017-01-10
    • US14424473
    • 2013-09-03
    • 3M INNOVATIVE PROPERTIES COMPANY
    • Junkang J. LiuPingfan WuFeng BaiDavid A. Ylitalo
    • C08L83/04C08J9/12C08G77/00C08J9/00
    • C08J9/125C08G77/70C08J9/0061C08J2201/03C08J2203/10C08J2205/05C08J2383/04C08J2383/06C08J2483/06C08L83/04C08L83/00
    • Crosslinked silicone foams are provided that can be substantially free of chemical blowing agents or byproducts thereof. These foams can be prepared from polymerizable silicone compositions that include an MQ-water cluster including a silicate MQ resin and a quantity of water dispersed in the silicate MQ resin and a silicone fluid, wherein the MQ-water cluster and silicone fluid collectively provide a inverted emulsion having a continuous and a discontinuous phase, the continuous phase including the silicone fluid and the discontinuous phase including the MQ-water cluster. The foams can be made by dispersing water into a silicate MQ resin to provide an MQ-water cluster; dispersing the stabilized MQ-water cluster into a silicone fluid to obtain an inverted silicone emulsion having the MQ-water cluster as a discontinuous phase and the silicone fluid as a continuous phase; foaming the silicone emulsion by evolving the water in the MQ-water cluster to provide a cellular structure; and polymerizing the silicone emulsion.
    • 提供交联的硅酮泡沫,其基本上不含化学发泡剂或其副产物。 这些泡沫可以由可聚合的硅氧烷组合物制备,其包括包含硅酸盐MQ树脂的MQ-水团和分散在硅酸盐MQ树脂中的一定量的水和硅氧烷流体,其中MQ-水簇和硅氧烷流体共同地提供倒置 具有连续和不连续相的乳液,所述连续相包括硅氧烷流体和包含MQ-水簇的不连续相。 泡沫可以通过将水分散到硅酸盐MQ树脂中来提供MQ-水簇; 将稳定化的MQ-水簇分散到硅氧烷流体中以获得具有MQ-水簇作为不连续相的反相硅氧烷乳液和硅氧烷流体作为连续相; 通过放出MQ-水簇中的水来发泡硅氧烷乳液以提供细胞结构; 并聚合硅氧烷乳液。