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    • 10. 发明授权
    • Liquid curable silicone rubber composition and woven fabric coated with cured product of the same composition
    • 液体固化硅橡胶组合物和涂有相同组成的固化产物的机织织物
    • US08962498B2
    • 2015-02-24
    • US13640622
    • 2011-04-26
    • Shinichi YamamotoYuichi TsujiWilliam R. Blackwood
    • Shinichi YamamotoYuichi TsujiWilliam R. Blackwood
    • B32B27/12C09D183/06C08L83/04C09D183/04B60R21/235D03D1/04C08G77/12C08G77/20
    • C09D183/06B60R21/235C08G77/12C08G77/20C08L83/04C08L2205/03C09D183/04D03D1/04Y10T428/1362Y10T442/20Y10T442/2803C08L83/00
    • Provided is a liquid curable silicone rubber composition containing the following components of (A), (B), (C) and (D): (A) 100 parts by weight of an organopolysiloxane having one or more silicon atom-bonded alkenyl groups on average in one molecule, (B) (B-1) an organohydrogenpolysiloxane having at least three silicon atom-bonded hydrogen atoms in one molecule, wherein at least one of the hydrogen atoms is present as a siloxane unit represented by the formula of R1HSi02/2 (wherein R1 represents a non-substituted or substituted monovalent hydrocarbon group containing no aliphatic unsaturated bond) in the molecule and (B-2) a linear organohydrogenpolysiloxane having one silicon atom-bonded hydrogen atom only at each of both terminals of the molecular chain and having no aliphatic unsaturated bond(s) in a molecule, [provided that the blending amount of component (B-1) and component (B-2) is an amount such that the molar ratio of silicon atom-bonded hydrogen atoms contained in component (B-1) and component (B-2):alkenyl groups contained in component (A) ranges from (0.8:1.0) to (2.5:1.0), and the total number of silicon atom-bonded hydrogen atoms contained in component (B-2) is 70 to 100% of the total number of silicon atom-bonded hydrogen atoms contained in component (B-1) and component (B-2); provided that when the aforementioned numerical value is 100%, component (B) consists only of (B-2).] (C) a hydrosilylation reaction catalyst: an amount to cure the present composition, and (D) 0.1 to 50 parts by weight of a reinforcing silica fine powder. A coated woven fabric with a silicone rubber-coated layer formed of a cured product of this liquid curable silicone rubber composition is suitable as a coated woven fabric for use in airbags.
    • 本发明提供含有(A),(B),(C)和(D)的以下组分的液体可固化硅橡胶组合物:(A)将100重量份具有一个或多个硅原子键合的烯基的有机聚硅氧烷 (B)(B-1)在一个分子中具有至少三个与硅原子键合的氢原子的有机氢聚硅氧烷,其中至少一个氢原子作为由式R1HSi02 / 2(其中R1表示不含脂肪族不饱和键的未取代或取代的一价烃基),(B-2)仅在分子链的两个末端具有一个与硅原子键合的氢原子的直链有机氢聚硅氧烷 并且在分子中不具有脂肪族不饱和键[规定组分(B-1)和组分(B-2)的配合量是使得含有的与硅原子键合的氢原子的摩尔比 组分(B -1)和组分(B-2):组分(A)中所含的链烯基的范围为(0.8:1.0)至(2.5:1.0),并且组分(B-2)中含有的与硅原子键合的氢原子总数 2)是组分(B-1)和组分(B-2)中包含的与硅原子键合的氢原子总数的70至100%; 条件是当上述数值为100%时,组分(B)仅由(B-2)组成。](C)氢化硅烷化反应催化剂:固化本组合物的量,(D)0.1至50份 重量的增强二氧化硅细粉末。 具有由该液体可固化硅橡胶组合物的固化产物形成的硅橡胶涂层的涂布织物适用于用于安全气囊的涂布机织物。