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    • 4. 发明授权
    • Solventless addition-curable pressure sensitive silicone adhesive composition and adhesive article
    • 无溶剂加成固化压敏硅胶粘合剂组合物和粘合剂制品
    • US08754174B2
    • 2014-06-17
    • US13197962
    • 2011-08-04
    • Shunji Aoki
    • Shunji Aoki
    • C08G77/08
    • C09J183/04C08G77/04C08G77/12C08G77/20C08L83/00C08L2666/52Y10T428/265
    • A solventless addition-curable pressure sensitive silicone adhesive composition is provided. The composition comprises (A) an alkenyl group-containing polydiorganosiloxane; (B) a condensation product of (a) a polydiorganosiloxane having hydroxyl group or an alkoxy group on opposite ends of the molecular chain and (b) a polyorganosiloxane containing R13SiO1/2 unit and SiO2 unit as critical components and also a HOSiO3/2 unit in the molecule; (C1) a polyorganohydrosiloxane having at least three SiH groups per molecule; (C2) a polydiorganohydrosiloxane having SiH group on opposite ends; and (D) a platinum group metal catalyst. Use of the present composition enables production of a pressure sensitive adhesive agent having flexibility, pressure sensitive adhesiveness, and heat resistance, and the present composition is particularly effective for use as a buffer member having pressure sensitive adhesiveness.
    • 提供无溶剂的可加成固化的压敏硅酮粘合剂组合物。 该组合物包含(A)含烯基的聚二有机硅氧烷; (B)(a)在分子链的相对端具有羟基或烷氧基的聚二有机硅氧烷和(b)含有R 13 SiO 1/2单元和SiO 2单元的聚有机硅氧烷作为关键组分的缩合产物,以及HOSiO3 / 2单元 在分子中 (C1)每分子具有至少三个SiH基团的聚有机氢硅氧烷; (C2)在其两端具有SiH基的聚二氢代氢硅氧烷; 和(D)铂族金属催化剂。 通过使用本发明的组合物,能够制造具有柔软性,压敏粘合性和耐热性的压敏粘合剂,本发明的组合物特别有效地用作具有压敏粘合性的缓冲部件。
    • 9. 发明授权
    • Silicone pressure-sensitive adhesive composition
    • 硅胶压敏粘合剂组合物
    • US08206831B2
    • 2012-06-26
    • US12477206
    • 2009-06-03
    • Shunji Aoki
    • Shunji Aoki
    • B32B7/12B32B9/04C08F283/12C08G77/12C08G77/20C08G77/04C08G77/16C08G77/398C08L83/04C08L83/05C08L83/06C08L83/07
    • C09J183/04C08L83/00C08L2666/28C09J7/22C09J7/38C09J2483/00Y10T428/2852Y10T428/2857Y10T428/31663
    • This invention relates to a silicone pressure-sensitive adhesive composition including: (A) a polydiorganosiloxane composed of a linear polydiorganosiloxane (A1) having two or more alkenyl groups within each molecule and a linear polydiorganosiloxane (A2) having SiOH groups at terminals thereof and no alkenyl groups, which is represented by the formula R22(HO)SiO—(R22SiO)d—SiR22(OH), wherein d represents an integer satisfying 500≦d≦20,000; (B) a polyorganosiloxane including R33SiO1/2 units, SiO2 units and Si atom-bonded hydroxyl group-containing units; (C) a polyorganohydrogensiloxane having three or more SiH groups within each molecule; (D) a reaction retarder; (E) a platinum group metal-based catalyst; and (F) a metal compound represented by formula MYx, wherein the polyorganosiloxane (B) is condensed with the linear polydiorganosiloxane (A2). The composition exhibits powerful adhesive strength to silicone rubbers and is useful for, by example, producing a pressure-sensitive tape.
    • 本发明涉及一种硅氧烷压敏粘合剂组合物,其包含:(A)由在每个分子内具有两个或更多个烯基的直链聚二有机硅氧烷(A1)组成的聚二有机硅氧烷和在其末端具有SiOH基团的直链聚二有机基硅氧烷(A2) 链烯基,其由式R22(HO)SiO-(R22SiO)d-SiR22(OH)表示,其中d表示满足500&nlE的整数; d≦̸ 20,000; (B)包含R33SiO1 / 2单元,SiO2单元和含Si原子键合的含羟基单元的聚有机硅氧烷; (C)在每个分子内具有三个或更多个SiH基团的聚有机氢硅氧烷; (D)反应缓凝剂; (E)铂族金属类催化剂; 和(F)由式MYx表示的金属化合物,其中聚有机硅氧烷(B)与线性聚二有机硅氧烷(A2)缩合。 该组合物对硅橡胶具有强大的粘合强度,并且例如可用于生产压敏胶带。