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    • 2. 发明授权
    • Novel radiation-curable polymeric composition containing a
diorganopolysiloxane with (meth)acryloxy end groups
    • 含有具有(甲基)丙烯酰氧基端基的二有机聚硅氧烷的新型可辐射固化聚合物组合物
    • US5075349A
    • 1991-12-24
    • US529927
    • 1990-05-29
    • Toshio OhbaKenichi Isobe
    • Toshio OhbaKenichi Isobe
    • C08F299/00C08F290/00C08F290/06C09J4/06C09J7/02
    • C09J4/06C08F290/068
    • A radiation-curable surface-releasing agent is proposed which is capable of giving surface releasability to a substrate surface by irradiation with electron beams or ultraviolet light exhibiting outstandingly low peeling resistance against peeling of pressure-sensitive adhesive tapes applied and bonded to the release-treated surface and very small migration of the releasing ingredient toward the adhesive surface. The surface-releasing agent is a composition comprising a linear diorganopolysiloxane having, only at one of the molecular chain ends, at least one (meth)acryloxy groups and a poly(meth)acrylate compound such as trimethylol propane tri(meth)acrylate, diethylene glycol di(meth)acrylate, pentaerithritol tri(meth)acrylate and the like.
    • 提出了一种可辐射固化的表面释放剂,其能够通过用电子束或紫外线照射给基材表面提供表面可剥离性,该紫外线表现出显着低的抗剥离性,从而剥离施加并结合到脱模处理过的粘合带 表面和释放成分向粘合剂表面的非常小的迁移。 表面释放剂是包含直链二有机聚硅氧烷的组合物,其仅在一个分子链末端具有至少一个(甲基)丙烯酰氧基和聚(甲基)丙烯酸酯化合物,如三(甲基)丙烯酸三羟甲基丙酯,二亚乙基 乙二醇二(甲基)丙烯酸酯,季戊四醇三(甲基)丙烯酸酯等。