POLYPROPYLENE RESIN COMPOSITION CONTAINING ULTRA-HIGH-MOLECULAR-WEIGHT PROPYLENE (CO)POLYMER

A polypropylene-based resin composition contains:a component (A1) being a propylene homopolymer or a copolymer of propylene and a 30 wt% or less α-olefin having 2 or 4 to 8 carbon atoms, having a intrinsic viscosity of more than 20 dl/g, as measured in a tetralin solvent at 135°C; anda component (A2...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOYAMA, Yutaka, KAMIMURA, Akihiro, AKINAGA, Shuji, KAJIOKA, Hiroshi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A polypropylene-based resin composition contains:a component (A1) being a propylene homopolymer or a copolymer of propylene and a 30 wt% or less α-olefin having 2 or 4 to 8 carbon atoms, having a intrinsic viscosity of more than 20 dl/g, as measured in a tetralin solvent at 135°C; anda component (A2) being a polymer selected from the group consisting of(A2-1) a propylene homopolymer,(A2-2) a random copolymer of propylene and an α-olefin having 2 or 4 to 8 carbon atoms,(A2-3) a block copolymer of propylene and an α-olefin having 2 or 4 to 8 carbon atoms, anda combination of the (A2-1), (A2-2), and (A2-3).The resin composition has a content of the component (A1) of 0.1 to 10 wt% and a content of the component (A2) of 99.9 to 90 wt% based on the total amount of the component (A1) and the component (A2). The component (A2) has a melt flow rate (MFR) (230°C, load: 2.16 kg) of 1 to 500 g/10 min.