Pipes and Polyolefin Composition For the Manufacture Thereof
    4.
    发明申请
    Pipes and Polyolefin Composition For the Manufacture Thereof 有权
    管和聚烯烃组合物的制造

    公开(公告)号:US20130095266A1

    公开(公告)日:2013-04-18

    申请号:US13805753

    申请日:2011-06-08

    IPC分类号: C08L23/14

    摘要: A heterophasic polypropylene composition comprising (percent by weight referred to the sum of components A) and B)): A) from 80% to 97% of a random copolymer of propylene containing from 0.1 to 4% of 1-hexene derived units; B) from 3-20% of a copolymer of propylene and ethylene having a content of ethylene derived units ranging from 50% to 55% extremes excluded; wherein the heterophasic polypropylene composition is endowed with a Melt Flow Rate: measured according to ISO 1133 (230° C., 5 Kg) ranging from 0.5 to 5 g/10 min; and an intrinsic viscosity (IV) of the fraction soluble in xylene at room temperature ranging from 2.5 to 5.5;

    摘要翻译: 一种多相聚丙烯组合物,其包含(以重量百分数称为组分A)和B)):A)80%至97%的含有0.1至4%的1-己烯衍生单元的丙烯的无规共聚物; B)从3-20%的丙烯和乙烯的共聚物的乙烯衍生单元的范围为不超过50%至55%的极限; 其中所述多相聚丙烯组合物具有根据ISO 1133(230℃,5Kg)测量的熔体流动速率,范围为0.5至5g / 10min; 和在室温范围为2.5〜5.5的可溶于二甲苯的馏分的特性粘度(Ⅳ);