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    • 10. 发明申请
    • Polypropylene-base molded article and container
    • 聚丙烯基成型品和容器
    • US20070122577A1
    • 2007-05-31
    • US10572704
    • 2004-09-21
    • Toshiharu IwasakiMasataka KotaniKatsuyuki Yoshikawa
    • Toshiharu IwasakiMasataka KotaniKatsuyuki Yoshikawa
    • B32B27/32B32B27/08B32B1/02
    • C08L23/10B32B1/02C08L23/0815C08L23/16Y10T428/1352Y10T428/31913Y10T428/31938C08L2666/06
    • One of the objects of the present invention is to provide a molded article excellent in all of transparency, impact resistance, flexibility and blocking resistance. The present invention provides the polypropylene-base molded article of the present invention is a single-layer or multilayer molded article having a layer comprising a thermoplastic resin composition containing a polypropylene resin composition (A) satisfying the following requirements and an ethylene-base copolymer (B) comprising an ethylene and at least one α-olefin having 4 or more carbon atoms. The polypropylene resin composition (A) is a composition where a polypropylene component (C) and a copolymer elastomer component (D) of propylene, ethylene and/or α-olefin having from 4 to 12 carbon atoms are contained each in a specific range, the melt flow rate is in a specific range, the content of the unit originated in the propylene in the copolymer elastomer component (D) is specified, and the xylene-soluble portion Xs satisfies specific requirements.
    • 本发明的目的之一是提供透明性,耐冲击性,柔韧性和抗粘连性全部优异的成型体。 本发明提供本发明的聚丙烯基成型体是具有包含含有满足下述要求的聚丙烯树脂组合物(A)的热塑性树脂组合物的层和乙烯 - 共聚物( B)包含乙烯和至少一种具有4个或更多个碳原子的α-烯烃。 聚丙烯树脂组合物(A)是其中含有丙烯,乙烯和/或具有4至12个碳原子的α-烯烃的聚丙烯组分(C)和共聚物弹性体组分(D)各自在特定范围内的组合物, 熔体流动速率在特定范围内,规定共聚弹性体成分(D)中的丙烯中的单元含量,二甲苯可溶成分X N满足特定要求。