CYANATE ESTER POLYMER
    3.
    发明申请

    公开(公告)号:US20090130488A1

    公开(公告)日:2009-05-21

    申请号:US12091350

    申请日:2006-09-26

    IPC分类号: B32B5/00 C08G18/00

    摘要: Provided is a cyanate ester polymer having excellent flame retardance, low dielectric constant, low dielectric loss tangent and high heat resistance. Specifically provided is a cyanate ester polymer obtained by polymerizing a cyanate ester compound represented by the following general formula (1). (1) In the formula, X represents OCN or OH, and 10-100% by mol of X is composed of OCN.

    摘要翻译: 提供了具有优异的阻燃性,低介电常数,低介电损耗角正切和高耐热性的氰酸酯聚合物。 具体提供的是通过聚合由以下通式(1)表示的氰酸酯化合物获得的氰酸酯聚合物。 (1)式中,X表示OCN或OH,X为10〜100摩尔%。

    Process for production of nucleus-hydrogenated aromatic vinyl/(meth)acrylate copolymers
    8.
    发明授权
    Process for production of nucleus-hydrogenated aromatic vinyl/(meth)acrylate copolymers 有权
    核 - 氢化芳族乙烯基/(甲基)丙烯酸酯共聚物的生产方法

    公开(公告)号:US08575277B2

    公开(公告)日:2013-11-05

    申请号:US12672152

    申请日:2008-08-04

    IPC分类号: C08F8/04

    摘要: A safe and stable production method of a hydrogenated polymer having high transparency, which is a production method of a hydrogenated polymer by hydrogenating aromatic rings of an aromatic vinyl compound-(meth)acrylate copolymer, in which (1) a solvent solution of the copolymer is added to a reactor, which has a solvent and a supported palladium catalyst charged therein, under a hydrogen atmosphere at a rate of from 0.01 to 15 g/hour in terms of the copolymer per unit mass (g) of the supported palladium catalyst, thereby performing hydrogenation reaction, and then such an operation is performed repeatedly that (2) a hydrogenated polymer is obtained from 30 to 90% by mass of the resulting reaction mixed solution, and a fresh solvent solution of the copolymer is added to the reactor, in which the residual reaction mixed solution is left, or to which the residual reaction mixed solution is returned, at a rate of from 0.01 to 15 g/hour in terms of the copolymer per unit mass (g) of the supported palladium catalyst, thereby performing hydrogenation reaction.

    摘要翻译: 通过氢化芳香族乙烯基化合物 - (甲基)丙烯酸酯共聚物的芳香环,是氢化聚合物的制造方法的高透明性的安全稳定的制造方法,其中(1)共聚物的溶剂溶液 加入到反应器中,其中,在氢气氛下,以负载的钯催化剂的单位质量(g)的共聚物为0.01〜15g /小时,加入溶剂和负载的钯催化剂, 进行氢化反应,然后重复进行这样的操作:(2)得到的反应混合溶液的氢化聚合物的质量为30〜90质量%,将共聚物的新鲜溶剂溶液加入到反应器中, 残留的反应混合溶液返回残余反应混合溶液,以每单位质量(g)的共聚物计,为0.01〜15g /小时 报告钯催化剂,从而进行氢化反应。