PROPYLENE RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide a propylene resin composition which has a high rigidity and a high impact strength, is well-balanced in the rigidity and the impact characteristics, and is excellent in scratching resistance. SOLUTION: The propylene resin composition comprises (A) 90-40 wt.% of a pro...

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Hauptverfasser: TOMONO YOSHIHIRO, SOBASHIMA YOSHIHIRO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a propylene resin composition which has a high rigidity and a high impact strength, is well-balanced in the rigidity and the impact characteristics, and is excellent in scratching resistance. SOLUTION: The propylene resin composition comprises (A) 90-40 wt.% of a propylene resin material formed by blending a propylene.ethylene block copolymer, which has an ethylene.propylene random copolymer moiety having a specific ethylene content and weight average molecular weight and has a specific MFR and gel number, with, if necessary, an ethylene.α-olefin copolymer rubber, polyethylene, talc and an additive, (B) 10-60 wt.% of a propylene resin material formed by blending a propylene homopolymer or propylene-ethylene block copolymer, which has a specific amount of an o-dichlorobenzene-insoluble matter and has a specific MFR, with talc and, if necessary, an ethylene.α-olefin copolymer rubber, polyethylene, an additive and a pigment, and, if necessary, (C) a coloring material containing an additive and a pigment.