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    • 8. 发明授权
    • Photocurable organopolysiloxane composition
    • 光固化有机聚硅氧烷组合物
    • US4943613A
    • 1990-07-24
    • US357977
    • 1989-05-26
    • Masatoshi AraiKazutoshi FujiokaMasaharu Satou
    • Masatoshi AraiKazutoshi FujiokaMasaharu Satou
    • C08F2/48C08F290/00C08F290/06C08F299/08C08K5/09C08K5/5425C08K5/544C08L83/04C08L83/07C09D4/06C09J4/06
    • C09D4/06C08F290/068C08K5/09C08K5/5425C08K5/544C09J4/06
    • The photocurable organopolysiloxane composition is curable by irradiation with ultraviolet light into a rubbery elastomer which is excellently adhesive to the surface of the substrate on which it has been cured. The composition comprises an organopolysiloxane having, in a molecule, at least one acryloxy-functional group represented by the general formula[CH.sub.2 .dbd.CR.sup.1 --CO--O--(CH.sub.2).sub.a --SiR.sub.2 --O--].sub.b (R).sub.3-b Si--R.sup.2 --,in which R.sup.1 is a hydrogen atom or a methyl group, each R is a monovalent hydrocarbon group, R.sup.2 is an oxygen atom or a divalent hydrocarbon group and each of the subscripts a and b is 1, 2 or 3, as the principal ingredient together with an acryloxy-containing trialkoxy silane represented by the general formula(R.sup.3 O).sub.3 Si--R.sup.4 --(NH--CO--O--R.sup.4).sub.c --O--CO--CR.sup.1 .dbd.CH.sub.2,in which each R.sup.3 is a monovalent hydrocarbon group, each R.sup.4 is a divalent hydrocarbon group having 1 to 20 carbon atoms, R.sup.1 has the same meaning as defined above and the subscript c is zero or 1, acrylic or methacrylic acid and a photosensitizer.
    • 可光固化的有机基聚硅氧烷组合物可通过紫外线照射而固化成橡胶状弹性体,该橡胶状弹性体与已经固化的基材表面非常粘合。 该组合物包含在分子中具有至少一个由通式[CH 2 = CR 1 -CO-O-(CH 2)a -SiR 2 -O-] b(R)3-b-Si(O)2)表示的丙烯酰氧基官能团的有机聚硅氧烷, R2-,其中R1是氢原子或甲基,每个R是一价烃基,R2是氧原子或二价烃基,并且每个下标a和b是1,2或3,作为 主要成分与由通式(R3O)3Si-R4-(NH-CO-O-R4)cO-CO-CR1 = CH2表示的含丙烯酰氧基的三烷氧基硅烷,其中每个R 3是一价烃基, R4是具有1-20个碳原子的二价烃基,R 1具有与上述相同的含义,下标c为0或1,丙烯酸或甲基丙烯酸和光敏剂。
    • 10. 发明授权
    • Primer compositions
    • 底漆组合物
    • US5985371A
    • 1999-11-16
    • US985084
    • 1997-12-04
    • Kazutoshi FujiokaTakashi Kondou
    • Kazutoshi FujiokaTakashi Kondou
    • C09D183/04B05D3/02
    • C09D183/04
    • The invention provides a primer composition comprising (I) an organoalkoxysilane or siloxane, (II) an organohydrogensiloxane having an SiH group and an alkoxysilyl group, and (III) an organic titanate. Also provided is a primer composition comprising (A) an alkenyl-containing organopolysiloxane, (B) an organopolysiloxane, (C) an organoalkoxysilane or siloxane, (D) an organohydrogensiloxane having an SiH group and an alkoxysilyl group, (E) a platinum catalyst, (F) an organic titanate, and (G) an organic peroxide. The primer compositions have sufficient adhesion to join thermoset silicone rubber to various substrates.
    • 本发明提供一种底漆组合物,其包含(I)有机烷氧基硅烷或硅氧烷,(II)具有SiH基和烷氧基甲硅烷基的有机氢硅氧烷,和(III)有机钛酸酯。 还提供了包含(A)含链烯基的有机聚硅氧烷,(B)有机聚硅氧烷,(C)有机烷氧基硅烷或硅氧烷,(D)具有SiH基和烷氧基甲硅烷基的有机氢硅氧烷,(E)铂催化剂 ,(F)有机钛酸酯,和(G)有机过氧化物。 底漆组合物具有足够的粘合性以将热固性硅橡胶加入到各种基材中。