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    • 7. 发明授权
    • Curable silicone elastomer composition and method of preparing the same
    • 可固化有机硅弹性体组合物及其制备方法
    • US5767193A
    • 1998-06-16
    • US712388
    • 1996-09-11
    • Hironao FujikiKouichi Tanaka
    • Hironao FujikiKouichi Tanaka
    • C08K3/36C08K9/06C08L83/04C08L83/05C08L83/06C08L83/07C08K3/00
    • C08K9/06C08L83/04C08G77/12C08G77/16C08G77/20C08G77/24
    • Provided are a non-foaming curable silicone elastomer composition and a method of preparing such a composition: with the composition comprising (A) 100 parts by weight of an organopolysiloxane mixture constituted at least of 90-10 parts by weight of organopolysiloxanes (i) containing, in a molecule, at least two alkenyl groups and substantially no silicon-attached hydroxyl group and having their kinematic viscosity in the range of 100 to 100,000 centistokes (cSt) at 25.degree. C. and 10-90 parts by weight of organopolysiloxanes (ii) containing, in a molecule, at least one hydroxyl group attached directly to a silicon atom and at least one alkenyl group attached directly to a silicon atom and having their kinematic viscosity in the range of 100 to 100,000 cSt at 25.degree. C.; (B) organohydrogenpolysiloxanes having in each molecule at least 3 hydrogen atoms attached directly to silicon atoms in an amount that the organohydrogenpolysiloxanes afford 0.4-10.0 moles of silicon-attached hydrogen atoms to 1 mole of alkenyl groups supplied from the organopolysiloxane mixture (A); (C) a platinum group metal catalyst; and (D) 10-60 parts by weight of finely powdered silica having a specific surface area of at least 50 m.sup.2 /g, measured by BET method.
    • 提供了一种不发泡的可固化的硅氧烷弹性体组合物和制备这种组合物的方法:该组合物包含(A)100重量份的构成至少90-10重量份的有机聚硅氧烷(i)的有机聚硅氧烷混合物,其包含 在一个分子中,至少有两个烯基,基本上不含硅的羟基,其运动粘度在25℃为100至100,000厘沲(cSt),和10-90重量份的有机聚硅氧烷(ii )在一个分子中含有至少一个直接连接到硅原子上的羟基和至少一个直接与硅原子连接的烯基,并且其运动粘度在25℃在100至100cSt的范围内; (B)在每个分子中具有至少3个氢原子的有机氢聚硅氧烷,其直接连接到硅原子上,其量为有机氢聚硅氧烷为从有机聚硅氧烷混合物(A)提供的1摩尔烯基中提供0.4-10.0摩尔与硅连接的氢原子; (C)铂族金属催化剂; 和(D)通过BET法测量10-60重量份比表面积为至少50m 2 / g的细粉状二氧化硅。
    • 8. 发明授权
    • Adhesive silicone compositions
    • 粘合硅胶组合物
    • US5536803A
    • 1996-07-16
    • US461012
    • 1995-06-05
    • Hironao FujikiShigeki ShudoToshiaki TakahashiHiroyasu HaraTakeshi Miyao
    • Hironao FujikiShigeki ShudoToshiaki TakahashiHiroyasu HaraTakeshi Miyao
    • C08L83/07C09J183/04C09J183/07C08G77/08
    • C09J183/04
    • An adhesive silicone composition comprising a diorganopolysiloxane, an organohydrogenpolysiloxane, and a platinum catalyst is blended with an organohydrogenpolysiloxane having at least two hydrogen atoms each bonded to a silicon atom in a molecule and containing an aromatic ring-bearing hydrocarbon radical in an amount of at least 12 mol % of the entire monovalent organic radicals bonded to silicon atoms, or a compound containing at least one hydrogen atom bonded to a silicon atom in a molecule and having a radical of two benzene rings separated by --R.sup.13 R.sup.14 Si--, --R.sup.13 R.sup.14 SiO--, --OR.sup.13 R.sup.14 SiO-- or --R.sup.13 R.sup.14 SiOR.sup.13 R.sup.14 Si-- wherein R.sup.13 and R.sup.14 are a monovalent hydrocarbon radical. The composition firmly adheres to organic resins, but is readily releasable from metal molds.
    • 将包含二有机聚硅氧烷,有机氢聚硅氧烷和铂催化剂的粘合性有机硅组合物与具有至少两个氢原子的有机氢聚硅氧烷共混,每个氢原子分子键合至硅原子并且含有至少含有芳环的烃基 与硅原子键合的全部一价有机基团的12摩尔%,或分子中含有与硅原子键合的至少一个氢原子的化合物,其具有由-R 13 R 14 -Si,-R 13 R 14 SiO, - OR13R14SiO-或-R13R14SiOR13R14Si-,其中R13和R14是一价烃基。 组合物牢固地粘附到有机树脂上,但是容易从金属模具中剥离。
    • 9. 发明授权
    • Organopolysiloxane composition and rubber substrate having a coating
thereof
    • 有机聚硅氧烷组合物和具有其涂层的橡胶基材
    • US5506302A
    • 1996-04-09
    • US493154
    • 1995-06-21
    • Mikio ShionoKazumi OkadaHironao Fujiki
    • Mikio ShionoKazumi OkadaHironao Fujiki
    • C08K7/16C08K13/02C09D183/04C08K5/54
    • C08K13/02C08K7/16C09D183/04
    • An organopolysiloxane composition contains (A) a both end hydroxyl-blocked diorganopoly-siloxane, (B) a hydroxyl-free diorganopoly-siloxane having a degree of polymerization equal to or greater than that of (A), (C) an organo-hydrogenpolysiloxane having at least three hydrogen atoms in a molecule, (D) an organosilane containing at least two alkoxy groups and an amino group attached to a silicon atom through an alkylene group in a molecule and/or a partial hydrolyzate thereof, (E) a fatty acid metal salt, (F) polycarbonate powder having a mean particle size of up to 50 .mu.m, and optionally (G) an organo-silane containing at least two alkoxy groups and a mercapto group attached to a silicon atom through an alkylene group in a molecule and/or a partial hydrolyzate thereof. It is applied to a rubber substrate to form a wear resistance coating thereon.
    • 有机聚硅氧烷组合物含有(A)双端羟基封端的二有机硅氧烷,(B)聚合度等于或大于(A)的聚合度的无羟基的二有机聚硅氧烷,(C)有机氢聚硅氧烷 在分子中具有至少三个氢原子,(D)含有至少两个烷氧基的有机硅烷和通过分子中的亚烷基与硅原子连接的氨基和/或其部分水解产物,(E)脂肪 酸性金属盐,(F)平均粒径达50μm的聚碳酸酯粉末,以及任选地(G)含有至少两个烷氧基的有机硅烷和通过亚烷基连接到硅原子上的巯基, 分子和/或部分水解产物。 将其施加到橡胶基材上以在其上形成耐磨性涂层。