(Meth)acrylate compound and cured product thereof
    41.
    发明授权
    (Meth)acrylate compound and cured product thereof 有权
    (甲基)丙烯酸酯化合物及其固化物

    公开(公告)号:US06835786B2

    公开(公告)日:2004-12-28

    申请号:US10626575

    申请日:2003-07-25

    IPC分类号: C08G6548

    摘要: There are provided a polyfunctional (meth)acrylate compound which has the excellent properties of polyphenylene ether and is excellent in heat resistance and electric characteristics and excellent in reactivity by introducing a polyfunctional (meth)acrylate group into a bifunctional polyphenylene ether oligomer, and a cured product thereof which has a high glass transition temperature and has a low dielectric constant and a low dielectric loss tangent.

    摘要翻译: 提供了具有优异的聚苯醚性能的多官能(甲基)丙烯酸酯化合物,并且通过将多官能(甲基)丙烯酸酯基团引入双功能聚苯醚低聚物中而具有优异的耐热性和电特性以及优异的反应性,并且固化 其具有高玻璃化转变温度并具有低介电常数和低介电损耗角正切。

    Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the same
    42.
    发明授权
    Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the same 有权
    双官能联苯和使用其制备双官能亚苯基醚低聚物化合物的方法

    公开(公告)号:US06689920B2

    公开(公告)日:2004-02-10

    申请号:US10270678

    申请日:2002-10-16

    IPC分类号: C07C4100

    摘要: A process for producing 2,2′,3,3′,5,5′-hexamethyl-[1,1′-biphenyl]-4,4′-diol, which process comprises, while setting a pH of a reaction liquid containing an alkaline aqueous solution, a surfactant, a copper catalyst and 2,3,6-trimethylphenol during a reaction in the range of from 8 to 14 and controlling the variation range of the pH of the reaction liquid within ±1, oxidatively coupling the 2,3,6-trimethylphenol with an oxygen-containing gas, and a process for producing a bifunctional phenylene ether oligomer compound having a controlled average molecular weight, comprising carrying out oxidation polymerization under a proper oxygen concentration.

    摘要翻译: 制备2,2',3,3',5,5'-六甲基 - [1,1'-联苯] -4,4'-二醇的方法,该方法包括在设定含有 碱性水溶液,表面活性剂,铜催化剂和2,3,6-三甲基苯酚,反应时间范围为8〜14,控制反应液pH值的变化范围为±1,氧化偶合2 具有含氧气体的3,6-三甲基苯酚,以及具有受控平均分子量的双官能亚苯基醚低聚物化合物的制造方法,包括在适当的氧浓度下进行氧化聚合。