Acrylic rubber composition
    24.
    发明公开
    Acrylic rubber composition 失效
    Acrylische Kautschuk-Zusammensetzung。

    公开(公告)号:EP0430809A1

    公开(公告)日:1991-06-05

    申请号:EP90403397.4

    申请日:1990-11-29

    摘要: A novel acrylic rubber composition is proposed which has excellent moldability and good releasability from the metallic surfaces of milling rollers for the compounding works and metal molds for shaping and vulcanizing the composition into vulcanizates. The composition comprises: (a) an acrylic copolymer as the rubber base; (b) carbon black or a finely divided silica filler as a reinforcing agent; and (c) an organopolysiloxane having, in a molecule, at least one carboxyl-functional group such as ω-carboxyl undecyl group, bonded to the silicon atom, which can be prepared, for example, by the hydrosilation reaction between a SiH-containing organopolysiloxane and an alkyl undecylenate followed by hydrolysis of the ester group into carboxyl group.

    摘要翻译: 提出了一种新型的丙烯酸橡胶组合物,其具有优异的成型性和对于用于复合作业的研磨辊的金属表面以及用于将组合物硫化成硫化物的金属模具的良好的脱模性。 该组合物包括:(a)丙烯酸共聚物作为橡胶基质; (b)炭黑或细碎二氧化硅填料作为增强剂; 和(c)在分子中具有与硅原子键合的至少一个羧基官能团如ω-羧基十一烷基的有机聚硅氧烷,其可以通过例如含SiH的 有机聚硅氧烷和十一碳烯酸烷基酯,然后将酯基水解成羧基。