Copolymer, process for production thereof, and molded article thereof
    5.
    发明授权
    Copolymer, process for production thereof, and molded article thereof 有权
    共聚物,其制造方法及其成型体

    公开(公告)号:US06187889B1

    公开(公告)日:2001-02-13

    申请号:US09349487

    申请日:1999-07-09

    IPC分类号: C08F21208

    摘要: A copolymer of an &agr;-olefin with an alkenyl aromatic hydrocarbon having a structure in which tertiary carbon atoms are mutually separated by two methylene groups in the skeleton of the copolymer, a process for producing said copolymer with a specific catalyst and a molded article of said copolymer, and the copolymer and molded article thereof are transparent, excellent in elastic recoverability, flexibility, mechanical strength and scratch resistance.

    摘要翻译: 共聚物的骨架中的α-烯烃与链烯基芳烃的共聚物,其中叔碳原子被两个亚甲基相互分离的结构,所述共聚物与特定催化剂的制备方法和所述 共聚物,其共聚物及其成型体是透明的,弹性回复性,柔软性,机械强度和耐刮擦性优异。

    Copolymer, process for producing the same, and molded article comprising the same
    10.
    发明授权
    Copolymer, process for producing the same, and molded article comprising the same 失效
    共聚物,其制造方法以及包含该共聚物的成型制品

    公开(公告)号:US06423807B1

    公开(公告)日:2002-07-23

    申请号:US09485127

    申请日:2000-03-03

    IPC分类号: C08F21208

    摘要: A copolymer of ethylene with an alkenyl aromatic hydrocarbon having a content of the alkenyl aromatic hydrocarbon in the copolymer of 0.2 to 60 mol % and a ratio ({circle around (2)}/{circle around (3)}) of the area of a peak {circle around (2)} appearing at 34.0 to 36.0 ppm to the area of a peak {circle around (3)} appearing at 36.0 to 38.0 ppm in a 13C-NMR spectrum of the copolymer of 0.01 to 0.35, and a molded article comprising the copolymer.

    摘要翻译: 共聚物中乙烯与链烯基芳烃的含量为0.2〜60摩尔%的链烯基芳族烃的共聚物和({(2)}周围({圆周(3)}周围的比例 在共聚物的13 C-NMR光谱中,在36.0〜38.0ppm处出现峰值(绕(3)周围的圆(3))的峰(圆周(2)})为0.01-0.35, 包含该共聚物的模塑制品。