| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene composition which is excellent in moldability, flexural rigidity, elongation at break and impact resistance. SOLUTION: The polypropylene composition contains (A) 50-70 wt.% of a specific polypropylene block copolymer, (B) 1-25 wt.% of a specific ethylene/α- olefin copolymer rubber, (C) 1-10 wt.% of a crystalline polypropylene-ethylene random copolymer and (D) 10-30 wt.% of a talc.
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