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    • 62. 发明授权
    • Silicone compositions for the formation of cured release coatings
    • 用于形成固化剥离涂层的硅氧烷组合物
    • US5545682A
    • 1996-08-13
    • US447663
    • 1995-05-23
    • Nobuo KaiyaHideki Kobayashi
    • Nobuo KaiyaHideki Kobayashi
    • C08L83/05C08L83/04C08L83/07C08L83/14C09D183/00C09D183/04C09D183/05C09D183/07C09D183/14C09J7/02D21H19/00C08K5/54
    • C09D183/04C09D183/14
    • The introduction of release coating-forming silicone compositions that yield cured release coatings that exhibit excellent release properties against tacky substances and do not impair the residual adhesion of tacky substances.Silicone composition for the formation of cured release coatings, that characteristically comprises(A) 100 weight parts of a cured coating-forming silicone composition into which there is admixed(B) 0.5 to 500 weight parts organosilicon polymer with the following average unit formula ##STR1## wherein R represents C.sub.1 to C.sub.10 monovalent hydrocarbon groups that are free of aliphatic unsaturation; R.sup.1 represents organic groups selected from the group consisting essentially of C.sub.2 to C.sub.20 alkylene groups and organic groups with the formulas --R.sup.3 (OR.sup.3).sub.y -- and --R.sup.3 --(R.sub.2 SiO).sub.z R.sub.2 Si--R.sup.3 -- (R is defined as above, R.sup.3 denotes C.sub.2 to C.sub.20 alkylene groups, which may be the same or different, y is an integer with a value of 1 or more, and z is zero or an integer with a value of 1 or more); R.sup.2 represents groups selected from the group consisting essentially of C.sub.1 to C.sub.10 monovalent hydrocarbon groups, the hydrogen atom, C.sub.1 to C.sub.10 alkoxy groups, and the hydroxyl group; n=3 to 20; x=1 to 13; and n.gtoreq.x.
    • 引入形成脱胶涂层的脱模涂层硅氧烷组合物,其产生对粘性物质具有优异的剥离性能并且不损害粘性物质的残留粘附性的固化脱模涂层。 用于形成固化剥离涂层的硅氧烷组合物,其特征在于包含(A)100重量份固化的涂覆形成硅氧烷组合物,其中混合(B)0.5至500重量份的具有以下平均单元式的有机硅聚合物其中R表示不含脂族不饱和度的C1至C10单价烃基; R1表示选自基本上由C2〜C20亚烷基组成的组的有机基团和具有式-R3(OR3)y-和-R3-(R2SiO)zR2Si-R3-的有机基团(R定义如上,R3表示C2 至20个亚烷基,其可以相同或不同,y为1以上的整数,z为0或为1以上的整数)。 R2表示选自基本上由C1至C10单价烃基,氢原子,C1至C10烷氧基和羟基组成的组的基团; n = 3〜20; x = 1〜13; 和n> / = x。