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    • 1. 发明授权
    • Organopolysiloxane composition for molding
    • 用于成型的有机聚硅氧烷组合物
    • US06780919B2
    • 2004-08-24
    • US10020219
    • 2001-12-18
    • Masayuki IkenoMasaya ArakawaKouichi Tanaka
    • Masayuki IkenoMasaya ArakawaKouichi Tanaka
    • C08L8305
    • C08L83/04C08G77/12C08G77/20C08G77/70C08L83/00
    • An organopolysiloxane composition for molding purposes is provided which includes: (A) an organopolysiloxane with at least two alkenyl groups bonded to silicon atoms, (B) a straight chain organopolysiloxane with a hydrogen atom bonded to a silicon atom at both terminals, (C) an organohydrogenpolysiloxane with at least three hydrogen atoms bonded to silicon atoms within a single molecule and including a RHSiO unit and a R2XSiO1/2 unit (wherein R is an unsubstituted or a substituted monovalent hydrocarbon group with no alkenyl groups, and X represents either a hydrogen atom or a group represented by R as defined above) within the molecule, (D) a hydrosilylation reaction catalyst, and (E) finely powdered silica, wherein the total number of hydrogen atoms bonded to silicon atoms within the constituent (B) and the constituent (C) ranges from 1 to 5 per alkenyl group within the constituent (A), and the number of hydrogen atoms bonded to silicon atoms within the constituent (B) accounts for 20 to 70 mol % of the combined number of hydrogen atoms bonded to silicon atoms within the constituent (B) and the constituent (C). This composition displays superior mold releasability relative to materials such as urethane resins, epoxy resins, dicyclopentadiene resins and polyester resins, and moreover also displays superior elongation at shearing and tear strength, and can be suitably used as a highly durable mold composition.
    • 提供了用于成型目的的有机基聚硅氧烷组合物,其包括:(A)具有至少两个与硅原子键合的烯基的有机聚硅氧烷,(B)具有与两个末端的硅原子键合的氢原子的直链有机聚硅氧烷,(C) 具有至少三个与单个分子中的硅原子键合的氢原子的有机氢聚硅氧烷,并且包括RHSiO单元和R2XSiO1 / 2单元(其中R是未被取代的或没有烯基的取代的单价烃基,X表示氢 (D)氢化硅烷化反应催化剂和(E)二氧化硅细粉,其中与组分(B)中的硅原子键合的氢原子总数和 组分(C)在组分(A)中每个烯基的1至5个范围内,并且与组分(B)中的硅原子键合的氢原子数为2 组分(B)和组分(C)中与硅原子键合的氢原子的总数为0至70摩尔%。 该组合物相对于诸如聚氨酯树脂,环氧树脂,二环戊二烯树脂和聚酯树脂的材料显示优异的脱模性,并且还显示出优异的剪切和撕裂强度伸长率,并且可以适合用作高度耐用的模具组合物。
    • 6. 发明申请
    • Addition reaction-curable liquid silicone rubber compositions and process of preparing same
    • 加成反应可固化液体硅橡胶组合物及其制备方法
    • US20050277725A1
    • 2005-12-15
    • US11151255
    • 2005-06-14
    • Masayuki IkenoShigeki ShudoNaoki YamakawaYujiro Taira
    • Masayuki IkenoShigeki ShudoNaoki YamakawaYujiro Taira
    • C08L9/06C08L83/04C08K3/34
    • C08L83/04C08G77/12C08G77/20Y10T428/2995C08L83/00
    • An addition reaction-curable liquid silicone rubber composition includes an organopolysiloxane containing at least one Si-bonded vinyl group only at each end of its backbone and having a viscosity of from 1 to 1,000 Pa·s at 25° C., an organopolysiloxane containing at least two Si-bonded vinyl groups only in side chains on its backbone and having a viscosity of from 0.1 to 100 Pa·s at 25° C., the amount of siloxane units bonded to the vinyl groups being from 2 to 20 mole % of its total siloxane units, finely divided silica having a specific surface area of at least 50 m2/g, hexamethyldisilazane, water, an organohydrogenpolysiloxane containing at least two Si-bonded hydrogen atoms per molecule, and a hydrosilation catalyst. Another addition reaction-curable liquid silicone rubber composition additionally includes a specific non-functional dimethylpolysiloxane. The silicone rubber compositions are cured into products having a hardness of at least 75 as measured by a type-A durometer and an elongation at break of at least 200%.
    • 加成的可反应固化的液体硅橡胶组合物包括仅在其主链的每个末端含有至少一个与Si键合的乙烯基的有机聚硅氧烷,并且其在25℃下的粘度为1至1,000Pa.s, 至少两个Si键合的乙烯基仅在其主链的侧链上,并且在25℃下的粘度为0.1至100Pa.s,与乙烯基键合的硅氧烷单元的量为2-20摩尔% 其总硅氧烷单元,具有至少50m 2 / g比表面积的细分二氧化硅,六甲基二硅氮烷,水,每分子含有至少两个与Si键合的氢原子的有机氢聚硅氧烷和氢硅化物 催化剂。 另一种另外的反应可固化的液体硅橡胶组合物另外包括特定的非官能的二甲基聚硅氧烷。 将硅橡胶组合物固化成硬度至少为75的产品,通过A型硬度计测定,断裂伸长率至少为200%。
    • 7. 发明申请
    • Liquid silicone rubber coating composition and air bag
    • 液体硅橡胶涂料组合物和气囊
    • US20050267257A1
    • 2005-12-01
    • US11135293
    • 2005-05-24
    • Hidenori MizushimaMasayuki Ikeno
    • Hidenori MizushimaMasayuki Ikeno
    • B32B9/04B32B27/04B60R21/16B60R21/235C08L83/04C09D7/12C09D163/00C09D183/04C09D183/05C09D183/07D06N3/12
    • B60R21/235B60R2021/23523C08G77/12C08G77/20C08L83/04C09D183/04D06N3/128Y10T428/31663Y10T442/2369C08L83/00
    • Provided is a liquid silicone rubber coating composition with a viscosity at 25° C. of 10,000 to 100,000 mPa·s, comprising: (A) (A-1) a substantially straight chain organopolysiloxane containing alkenyl groups only at both molecular chain terminals, and (A-2) a substantially straight chain organopolysiloxane containing an average of at least two alkenyl groups, only at non-terminal molecular chain positions, within each molecule, (B) an organohydrogenpolysiloxane containing an average of at least two hydrogen atoms bonded to silicon atoms within each molecule, (C) an addition reaction catalyst, and (D) an adhesion improver, as well as an air bag with a rubber coating layer comprising a cured product of such a composition. Also provided is an air bag with a rubber coating layer comprising a cured product of such a composition. The liquid silicone rubber coating composition can be used without dissolution in an organic solvent, and displays excellent adhesion to fiber and excellent rubber strength.
    • 本发明提供一种液体硅橡胶涂料组合物,其在25℃下的粘度为10,000至100,000mPa.s,包括:(A)(A-1)仅在两个分子链末端含有烯基的基本上直链的有机聚硅氧烷,以及 (A-2)在每个分子内仅含非平衡分子链位置的平均至少两个烯基的基本上直链的有机聚硅氧烷,(B)含有平均至少两个与硅键合的氢原子的有机氢聚硅氧烷 每个分子内的原子,(C)加成反应催化剂和(D)粘合改进剂,以及具有包含这种组合物的固化产物的橡胶涂层的气囊。 还提供了一种具有包含这种组合物的固化产物的橡胶涂层的气囊。 可以使用液体硅橡胶涂料组合物而不溶解在有机溶剂中,并且对纤维表现出优异的粘合性和优异的橡胶强度。
    • 9. 发明授权
    • Organopolysiloxane composition
    • 有机聚硅氧烷组合物
    • US5334687A
    • 1994-08-02
    • US32202
    • 1993-03-15
    • Masayuki Ikeno
    • Masayuki Ikeno
    • C08L83/04C08G77/06
    • C08L83/04C08G77/12C08G77/20C08G77/70
    • An addition-curing type organopolysiloxane composition comprising, in addition to an alkenyl-containing organopolysiloxane and an organohydrogenpolysiloxane, an amine compound represented by the general formula:(R.sup.2).sub.2 N--R.sup.4 --N(R.sup.3).sub.2wherein R.sup.2 is an alkyl radical of from 1 to 4 carbon atoms, R.sup.3 is an alkyl radical of from 1 to 4 carbon atoms or a hydrogen atom, and R.sup.4 is an alkylene radical of from 2 to 4 carbon atoms, or an amine compound represented by the general formula:R.sup.5 --NH.sub.2wherein R.sup.5 is an alkyl radical of from 2 to 4 carbon atoms, and acetylene alcohol. The composition has excellent long-time shelf stability at room temperature and, when heated, rapidly cures to yield a gel form or elastomer form cured product.
    • 一种加成固化型有机基聚硅氧烷组合物,除了含有烯基的有机聚硅氧烷和有机氢聚硅氧烷外,还包含由以下通式表示的胺化合物:(R2)2N-R4-N(R3)2,其中R2是烷基, 1至4个碳原子,R3是1至4个碳原子的烷基或氢原子,R4是2至4个碳原子的亚烷基,或由通式R5-NH2表示的胺化合物 其中R5是2至4个碳原子的烷基和乙炔醇。 该组合物在室温下具有优异的长期贮存稳定性,并且当加热时,快速固化以产生凝胶形式或弹性体形式的固化产物。