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    • 2. 发明申请
    • LIQUID CURABLE SILICONE RUBBER COMPOSITION AND WOVEN FABRIC COATED WITH CURED PRODUCT OF THE SAME COMPOSITION
    • 液体可固化硅橡胶组合物和涂有相同成分的固化产品的织物
    • WO2011137121A1
    • 2011-11-03
    • PCT/US2011/033963
    • 2011-04-26
    • DOW CORNING TORAY CO., LTD.DOW CORNING CORPORATIONYAMAMOTO, ShinichiTSUJI, YuichiBLACKWOOD, William, R.
    • YAMAMOTO, ShinichiTSUJI, YuichiBLACKWOOD, William, R.
    • C08L83/04C09D183/04
    • 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。
    • 4. 发明申请
    • TWO-PART SILICONE RUBBER COMPOSITION
    • 两部分硅橡胶组合物
    • WO2012133917A1
    • 2012-10-04
    • PCT/JP2012/059274
    • 2012-03-28
    • DOW CORNING TORAY CO., LTD.TASAKI, TomokoTSUJI, Yuichi
    • TASAKI, TomokoTSUJI, Yuichi
    • C08L83/05C08L83/07
    • C08K5/09C08G77/12C08G77/20C08K3/26C08L83/04C09D183/04C09J183/04C08L83/00
    • Problem: To provide a two-part curable liquid silicone rubber composition comprising a first composition and a second composition that are stored separately, in which the physical properties and the adhesion to silicone rubber of a cured product thereof do not decline even in cases where a mixture ratio of the first composition to the second composition varies. Resolution Means: A two-part curable liquid silicone rubber composition comprising a first liquid composition and a second liquid composition, which are stored separately and yield upon mixing a silicone rubber forming composition comprising: (A) an alkenyl group-containing organopolysiloxane consisting essentially of (A-l ) an organopolysiloxane having only a silicon-bonded alkenyl group at each molecular terminal and (A-2) an organopolysiloxane having from 1 to 4 silicon- bonded alkenyl groups in side molecular chains and containing not greater than 2.0 wt.% of alkenyl groups, (B) a calcium carbonate powder, (C) a hydrosilylation reaction catalyst, and (D) an organohydrogenpolysiloxane having silicon-bonded hydrogen atoms.
    • 问题:提供一种双组分可固化液体硅橡胶组合物,其包含单独储存的第一组合物和第二组合物,其中其固化产物的硅橡胶的物理性能和粘合性即使在 第一组合物与第二组合物的混合比变化。 分离方法:包含第一液体组合物和第二液体组合物的两部分可固化液体硅橡胶组合物,其分开储存并在混合形成硅橡胶的组合物时产率,所述组分包含:(A)含烯基的有机聚硅氧烷,其主要由 (A1)在每个分子末端仅具有硅键合的烯基的有机聚硅氧烷和(A-2)在侧分子链中具有1至4个硅键合的烯基并且不大于2.0重量%的烯基的有机聚硅氧烷 (B)碳酸钙粉末,(C)氢化硅烷化反应催化剂和(D)具有硅键合氢原子的有机氢聚硅氧烷。