POLYPROPYLENE-BASED RESIN COMPOSITION

PROBLEM TO BE SOLVED: To obtain a polypropylene-based resin composition having excellent coating adhesivity of not requiring primer coating and excellent ductility and an injection molding composed of the same. SOLUTION: The polypropylene-based resin composition comprises (A) 10-68 wt.% of a specifi...

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Bibliographische Detailangaben
Hauptverfasser:	ONISHI KEISUKE, NAGAI TAKAYUKI, ISOBE YASUMITSU, KONDO SHINICHI, KANZAKI SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a polypropylene-based resin composition having excellent coating adhesivity of not requiring primer coating and excellent ductility and an injection molding composed of the same. SOLUTION: The polypropylene-based resin composition comprises (A) 10-68 wt.% of a specific crystalline propylene-ethylene block copolymer or a specific (A-2) polymer mixture, (B) 1-30 wt.% of a specific modified polyolefin resin, (C) 15-25 wt.% of copolymer rubber of at least one kind of an olefin selected from the group consisting of propylene and a ≥4C α-olefin and ethylene, (C-2) 1-10 wt.% of rubber containing a vinylaromatic compound and (D) 15-25 wt.% of an inorganic filler. The injection molding thereof is obtained. COPYRIGHT: (C)2008,JPO&INPIT