Polypropylene resin with low shrinkage, high impact strength, stiffness and scratch resistance
    13.
    发明公开
    Polypropylene resin with low shrinkage, high impact strength, stiffness and scratch resistance 有权
    具有低收缩率,高冲击强度,刚性和耐划伤性的聚丙烯树脂组合物

    公开(公告)号:EP1788022A1

    公开(公告)日:2007-05-23

    申请号:EP05025068.7

    申请日:2005-11-16

    IPC分类号: C08L23/10 C08L23/16

    摘要: The present invention relates to a polypropylene resin with low shrinkage, excellent impact strength and high stiffness and scratch resistance which comprises
    A) less than 70 wt% of a propylene polymer A having a melt flow rate (MFR 2 ) between 0.01 and 100 g/10 min,
    B) more than 20 wt% of an ethylene-propylene copolymer B, containing at least 40 wt% propylene and having an intrinsic viscosity between 1 and 3.5 dl/g, and
    C) less than 20 wt% of an ethylene polymer C with a density between 905 and 930 kg/m 3 and a melt flow rate (MFR 2 ) between 0.01 and 10 g/10 min,

    to the use of said resin for the production of a molded or extruded article and to an article comprising said resin.

    摘要翻译: 本发明涉及一种具有低收缩率,优异的冲击强度和高刚度以及其包括抗划伤性)的丙烯聚合物的少于70重量%的聚丙烯树脂A具有12点01和100g之间的熔体流动速率(MFR 2)/ 10分钟,B)一种乙烯 - 丙烯共聚物B的超过20重量%,含至少40重量%丙烯并且具有固有粘度1和3.5分升/克之间,和C)的乙烯聚合物的少于20重量%的 下用0.01和10克/ 10分钟之间905和930千克/米3,熔体流动速率(MFR 2)之间的密度,与使用上述树脂的用于制造模制或挤出制品的并且在制品,其包括 所述树脂。