Electrical components and method for the fabrication thereof
    8.
    发明授权
    Electrical components and method for the fabrication thereof 失效
    电气部件及其制造方法

    公开(公告)号:US6040395A

    公开(公告)日:2000-03-21

    申请号:US316217

    申请日:1999-05-21

    摘要: This invention relates to a primer that improves adherence of a cured resin sealant to a cured silicone coating on an electrical element, wherein said primer is selected from the group consisting of:(i) a mixture of components (a) and (b),(ii) a reaction mixture of components (a) and (b),(iii) component (c),(iv) component (c) and a mixture of components (a) and (b), and(v) component (c) and a reaction mixture of components (a) and (b),where component (a) is silanol-functional organopolysiloxane; component (b) is epoxy-functional organoalkoxysilane; and component (c) is organopolysiloxane with the average unit formula: (R.sup.1 SiO.sub.3/2).sub.a (R.sup.2.sub.2 SiO.sub.2/2).sub.b (R.sup.2.sub.3 SiO.sub.1/2).sub.c (R.sup.3 O.sub.1/2).sub.dwhere R.sup.1 is an epoxy-functional monovalent organic group; each R.sup.2 is independently a monovalent hydrocarbon group, R.sup.3 is selected from the group consisting of hydrogen and alkyl groups of 1 to 4 carbon atoms; a, b, and d are each a positive number; and c is 0 or a positive number.

    摘要翻译: 本发明涉及改善固化树脂密封剂对电气元件上固化的硅氧烷涂层的粘附性的底漆,其中所述底漆选自:(i)组分(a)和(b)的混合物, (ⅱ)组分(a)和(b),(ⅲ)组分(c),(ⅳ)组分(c)和组分(a)和(b)的混合物和(ⅴ) c)和组分(a)和(b)的反应混合物,其中组分(a)是硅烷醇官能的有机聚硅氧烷; 组分(b)是环氧官能的有机烷氧基硅烷; 组分(c)是平均单元式为(R1SiO3 / 2)a(R22SiO2 / 2)b(R23SiO1 / 2)c(R3O1 / 2)d的有机聚硅氧烷,其中R1为环氧官能单价有机基团; 每个R 2独立地为一价烃基,R 3选自氢和1至4个碳原子的烷基; a,b和d分别为正数; c为0或正数。