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    • 11. 发明授权
    • Silicone composition for forming cured release films
    • 用于形成固化剥离膜的硅氧烷组合物
    • US06300426B1
    • 2001-10-09
    • US09444357
    • 1999-11-18
    • Taku KoyamaAtsushi TogashiTakateru Yamada
    • Taku KoyamaAtsushi TogashiTakateru Yamada
    • C08L8305
    • C09D183/04C08L83/00C08L2666/28
    • This invention relates to a silicone composition comprising: (A) a mixture of (i) a linear trimethylsiloxy-terminated polydiorganosiloxane containing at least 2 alkenyl groups having at least 4 carbon atoms and (ii) optionally a linear dimethylalkenylsiloxy-terminated polydiorganosiloxane, (B) a polyorganohydrogensiloxane, (C) a catalytic quantity of a platinum catalyst, and (D) an inhibitor. The silicone compositions of this invention make it possible to form cured release films with low resistance to peeling when peeling is carried out at high speeds, and with the possibility of controlling the resistance to peeling between low and high values when peeling is carried out at low speeds. The silicone compositions of this invention also are not subject to a decrease in the coefficient of residual adhesion in the adhesive material applied onto a cured release film.
    • 本发明涉及一种硅氧烷组合物,其包含:(A)(i)含有至少2个具有至少4个碳原子的烯基的直链三甲基甲硅烷氧基封端的聚二有机硅氧烷和(ii)任选的直链二甲基链烯基甲硅烷氧基封端的聚二有机硅氧烷(B )聚有机氢硅氧烷,(C)催化量的铂催化剂和(D)抑制剂。 本发明的硅酮组合物使得可以在高速下进行剥离时形成具有低剥离性的固化的剥离膜,并且当以低的速度进行剥离时可以控制低和高值之间的剥离性 速度。 本发明的硅酮组合物也不会降低施加到固化的脱模膜上的粘合剂材料中的残留粘合系数。
    • 20. 发明授权
    • Silicone composition for forming a release coating
    • 用于形成剥离涂层的硅氧烷组合物
    • US06545076B2
    • 2003-04-08
    • US09848755
    • 2001-05-03
    • Nobuo KaiyaTakateru YamadaShuji Yamada
    • Nobuo KaiyaTakateru YamadaShuji Yamada
    • C08K554
    • C09D183/04C08L83/00
    • A solvent free silicone composition for forming a cured release coating comprising (A) 100 parts by weight of a diorganopolysiloxane having in each molecule at least two alkenyl groups and a viscosity of 50 to 5,000 mPa·s at 25° C.; (B) 3 to 50 parts by weight of an organohydrogenpolysiloxane mixture comprising constituent (b-1) and constituent (b-2) in a weight ratio of 1:0.01 to 1:1, where (b-1) is a diorganopolysiloxane having a viscosity of 1 to 1,000 mPa·s at 25° C. and having both molecular terminals capped with silicon-bonded hydrogen atoms and (b-2) is an organohydrogenpolysiloxane having a viscosity of 1 to 1,000 mPa·s at 25° C. and having at least three pendant silicon-bonded hydrogen atoms in each molecular chain; and (C) a catalytic amount of a platinum-type catalyst.
    • 一种用于形成固化剥离涂层的无溶剂硅氧烷组合物,其包含(A)100重量份在每个分子中具有至少两个烯基并在25℃下粘度为50至5,000mPa.s的二有机聚硅氧烷;(B) 3重量份至50重量份含有重量比为1:0.01至1:1的组分(b-1)和组分(b-2)的有机氢聚硅氧烷混合物,其中(b-1)是二有机聚硅氧烷,其粘度为 在25℃下为1至1,000mPa.s,并且具有用硅键合的氢原子封端的分子末端,(b-2)是在25℃下粘度为1至1,000mPa.s的有机氢聚硅氧烷,并且具有 每个分子链中至少三个侧链硅键合的氢原子; 和(C)催化量的铂型催化剂。