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    • 2. 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。
    • 7. 发明授权
    • Release modifier and release coating organopolysiloxane composition
    • 释放改性剂和脱模涂层有机聚硅氧烷组合物
    • US08933177B2
    • 2015-01-13
    • US13003427
    • 2009-07-09
    • Seiji HoriTakateru YamadaChung Mien Kuo
    • Seiji HoriTakateru YamadaChung Mien Kuo
    • C08L83/04C08G77/44C09D183/04
    • C08G77/44C09D183/04Y10T428/31663C08L83/00
    • To provide a release modifier which provides a heavy release force to a cured release layer of silicone coating composition. The release modifier comprises an organopolysiloxane resin-organopolysiloxane condensation reaction product that is obtained by the condensation reaction of (a1) 100 weight parts of MQ-type organopolysiloxane resin in which the molar ratio of the M unit to the Q unit is 0.6 to 1.0 and the content of the hydroxyl group or alkoxy group is 0.3 to 2.0 weight % with (a2) 20 to 150 weight parts of chain-form diorganopolysiloxane that has an average degree of polymerization of 100 to 1000 and at least one hydroxyl group or alkoxy group; this organopolysiloxane resin-organopolysiloxane condensation reaction product preferably has a prescribed hydroxyl group content.
    • 提供一种释放调节剂,其向硅氧烷涂料组合物的固化释放层提供重的释放力。 脱模改性剂包含通过(a1)100重量份M单元与Q单元的摩尔比为0.6〜1.0的MQ型有机聚硅氧烷树脂的缩合反应得到的有机聚硅氧烷树脂 - 有机聚硅氧烷缩合反应产物,以及 羟基或烷氧基的含量为(a2)20〜150重量份平均聚合度为100〜1000,至少一个羟基或烷氧基的链状二有机聚硅氧烷为0.3〜2.0质量% 该有机聚硅氧烷树脂 - 有机聚硅氧烷缩合反应产物优选具有规定的羟基含量。