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    • 7. 发明申请
    • Silicone Rubber Sponge-Forming Emulsion Composition And Method For Manufacturing Silicone Rubber Sponge
    • 硅橡胶海绵成型乳液组合物及制造硅橡胶海绵的方法
    • US20110319510A1
    • 2011-12-29
    • US13141789
    • 2009-12-24
    • Kota TsuchiyamaShinya ShirasakiMitsuo Hamada
    • Kota TsuchiyamaShinya ShirasakiMitsuo Hamada
    • C08L47/00C08J9/00C08K13/02
    • C08G77/04C08G77/12C08G77/20C08J9/0023C08J9/0066C08J9/28C08J2201/0504C08J2383/04C08K3/36C08K5/10C08L83/00C08L83/04
    • A silicone rubber sponge-forming emulsion composition is provided that, even when the quantity of reinforcing silica filler is increased, does not exhibit a decline in emulsion stability, avoids defects in cell morphology of the sponge, and avoids a substantial increase in hardness of the sponge. A method of producing a silicone rubber sponge from this composition is also provided. The A silicone rubber sponge-forming emulsion composition comprises (A) 100 weight parts of a liquid diorganopolysiloxane that has at least two silicon-bonded alkenyl groups in each molecule, (B) 1 to 50 weight parts of a reinforcing silica filler comprising (b1) a fumed silica and (b2) a precipitated silica in a (b1)/(b2) weight ratio of 0.01/1 to 30/1, (C) 50 to 250 weight parts of water that contains (c) a smectite clay, (D) 0.1 to 7 weight parts of a sorbitan fatty acid ester, (E) 0 to 10 weight parts of an isononanoic acid ester, (F) 0 to 10 weight parts of a Guerbet alcohol, and (G) a curing agent in a quantity sufficient to crosslink and cure component (A).
    • 提供了一种硅橡胶海绵形成用乳液组合物,即使增加二氧化硅填料的量增加,也不会使乳液稳定性下降,避免海绵细胞形态的缺陷,避免了硬度的显着增加 海绵。 还提供了从该组合物制备硅橡胶海绵的方法。 A型硅橡胶海绵形成用乳液组合物包含(A)100重量份在每个分子中具有至少两个硅键合的烯基的液体二有机聚硅氧烷,(B)1至50重量份的增强二氧化硅填料,其包含(b1 )煅烧二氧化硅和(b2)(b1)/(b2)重量比为0.01 / 1〜30/1的沉淀二氧化硅,(C)50〜250重量份含有(c)蒙脱石粘土的水, (D)0.1〜7重量份脱水山梨糖醇脂肪酸酯,(E)0〜10重量份的异壬酸酯,(F)0〜10重量份的格伯特醇,(G) 足以使组分(A)交联和固化的量。
    • 8. 发明授权
    • Method for producing silicone rubber, aqueous emulsion for silicone rubber, and method for producing same
    • 硅橡胶的制造方法,硅橡胶的水性乳液及其制造方法
    • US07683125B2
    • 2010-03-23
    • US10546746
    • 2004-02-24
    • Shinya ShirasakiTadanori FukamachiMitsuo Hamada
    • Shinya ShirasakiTadanori FukamachiMitsuo Hamada
    • D21H19/32
    • C08J3/03C08J3/20C08J2383/04
    • A method of manufacturing a silicone rubber comprises a first stage and a second stage. The first stage comprises (1-1) the step of preparing an aqueous dispersion composed of water that contains a water-soluble polymer (E), a finely powdered silica filler (B), a conductive filler (C), and a non-conductive inorganic filler (D) and (1-2) the step of preparing an aqueous emulsion by stirring and mixing the obtained aqueous dispersion with the following components: an organopolysiloxane (A) that contains silicon-bonded alkenyl groups, an emulsification agent (F), and a curing agent (G). The second stage obtains the silicon rubber either (2-1) by curing the aqueous emulsion prepared in the aforementioned first stage, forming a wet silicone-rubber like cured body, and then removing water from the aforementioned wet silicone-rubber like cured body; or (2-2) by dehydrating and curing the aqueous emulsion prepared in the aforementioned first stage.
    • 制造硅橡胶的方法包括第一阶段和第二阶段。 第一阶段包括(1-1)制备含有水溶性聚合物(E),细粉状二氧化硅填料(B),导电填料(C)和非水溶性聚合物(E)的水组成的水性分散体的步骤, 导电无机填料(D)和(1-2)通过将得到的水性分散体与以下成分搅拌混合来制备水性乳液的步骤:含有硅键合的烯基的有机聚硅氧烷(A),乳化剂(F )和固化剂(G)。 第二阶段通过固化上述第一阶段制备的水性乳液得到硅橡胶(2-1),形成湿硅橡胶状固化体,然后从上述湿硅橡胶状固化体中除去水分; 或(2-2)通过使在上述第一阶段中制备的水性乳液脱水和固化。
    • 9. 发明申请
    • Method for producing silicone rubber, aqueous emulsion for silicone rubber, and method for producing same
    • 硅橡胶的制造方法,硅橡胶的水性乳液及其制造方法
    • US20070015868A1
    • 2007-01-18
    • US10546746
    • 2004-02-24
    • Shinya ShirasakiTadanori FukamachiMitsuo Hamada
    • Shinya ShirasakiTadanori FukamachiMitsuo Hamada
    • C08G77/06C08L83/04
    • C08J3/03C08J3/20C08J2383/04
    • A method of manufacturing a silicone rubber comprises a first stage and a second stage. The first stage comprises (1-1) the step of preparing an aqueous dispersion composed of water that contains a water-soluble polymer (E), a finely powdered silica filler (B), a conductive filler (C), and a non-conductive inorganic filler (D) and (1-2) the step of preparing an aqueous emulsion by stirring and mixing the obtained aqueous dispersion with the following components: an organopolysiloxane (A) that contains silicon-bonded alkenyl groups, an emulsification agent (F), and a curing agent (G). The second stage obtains the silicon rubber either (2-1) by curing the aqueous emulsion prepared in the aforementioned first stage, forming a wet silicone-rubber like cured body, and then removing water from the aforementioned wet silicone-rubber like cured body; or (2-2) by dehydrating and curing the aqueous emulsion prepared in the aforementioned first stage.
    • 制造硅橡胶的方法包括第一阶段和第二阶段。 第一阶段包括(1-1)制备含有水溶性聚合物(E),细粉状二氧化硅填料(B),导电填料(C)和非水溶性聚合物(E)的水组成的水性分散体的步骤, 导电无机填料(D)和(1-2)通过将得到的水性分散体与以下成分搅拌混合来制备水性乳液的步骤:含有硅键合的烯基的有机聚硅氧烷(A),乳化剂(F )和固化剂(G)。 第二阶段通过固化上述第一阶段制备的水性乳液得到硅橡胶(2-1),形成湿硅橡胶状固化体,然后从上述湿硅橡胶状固化体中除去水分; 或(2-2)通过使在上述第一阶段中制备的水性乳液脱水和固化。