Polypropylene Composition And Molded Article

A polypropylene composition made from or containinga first polymer consisting ofcomponent (1) made from or containing a propylene homopolymer having an MFR of 80 to 300 and containing 97.5% by weight or more of xylene insolubles (XI), wherein XI of the propylene homopolymer has a Mw/Mn of 4 to 10; a...

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Hauptverfasser: Yokoyama, Yutaka, Kamimura, Akihiro, Kajioka, Hiroshi
Format: Patent
Sprache:eng
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Zusammenfassung:A polypropylene composition made from or containinga first polymer consisting ofcomponent (1) made from or containing a propylene homopolymer having an MFR of 80 to 300 and containing 97.5% by weight or more of xylene insolubles (XI), wherein XI of the propylene homopolymer has a Mw/Mn of 4 to 10; andcomponent (2) made from or containing an ethylene/propylene copolymer containing 35 to 50% by weight of an ethylene-derived unit;wherein the polypropylene composition has the following characteristics:1) the relative proportions of component (2)/[component (1) and component (2)] is more than 30% by weight and not more than 50% by weight,2) the intrinsic viscosity of xylene solubles (XSIV) of the first polymer is in the range of 1.5 to 4.0 dl/g, and3) the MFR of the first polymer is in the range of 20 to 100 g/10 min.