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    • 91. 发明授权
    • Method for improving the adhesion of elastomers to a coated substrate
    • 改善弹性体与被覆基材的粘合性的方法
    • US4637958A
    • 1987-01-20
    • US720466
    • 1985-04-05
    • Karl-Heinrich WegehauptHans-Rudolf Pfeffer
    • Karl-Heinrich WegehauptHans-Rudolf Pfeffer
    • C08J5/12C08J7/04C09D5/16C09D143/04C09D151/08B32B15/08C09J5/04
    • C09D151/085C09D143/04C09D5/1693Y10T428/31522
    • A method for improving the adhesion of elastomers derived from compositions which are crosslinked by a condensation reaction and which are based on diorganopolysiloxanes containing rod-shaped copolymers formed by the free-radical copolymerization of styrene and (meth)acrylic acid ester in the presence of the diorganopolysiloxanes, to an undercoating consisting of an epoxy resin and pitch or tar, which comprises applying a primer having SiC-bonded organic groups to the undercoating prior to the application of the crosslinkable composition, in which the primer consists of a solution of(a) a copolymer of a (meth)acrylic acid ester free of silicon atoms and a (meth)acryloxyalkylsilane containing at least one SiOC-bonded monovalent organic group; and(b) a silane which contains a SiC-bonded organic group having at least one amino or imino group and which contains at least one SiOC-bonded monovalent organic group and/or a partial hydrolyzate of such silane in an organic solvent.
    • 一种提高衍生自通过缩合反应交联的组合物的弹性体的粘合性的方法,该方法基于通过苯乙烯和(甲基)丙烯酸酯的自由基共聚而形成的含有棒状共聚物的二有机聚硅氧烷,所述棒状共聚物在 二有机聚硅氧烷,由包含环氧树脂和沥青或焦油组成的底涂层,其包括在施涂可交联组合物之前,将具有SiC键合的有机基团的底漆涂布于底涂层,其中底漆由(a) 不含硅原子的(甲基)丙烯酸酯和含有至少一个与SiOC键合的一价有机基团的(甲基)丙烯酰氧基烷基硅烷的共聚物; 和(b)在有机溶剂中含有具有至少一个氨基或亚氨基的SiC键合的有机基团并且含有至少一个与SiOC键合的一价有机基团和/或该部分水解产物的硅烷。