| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene resin composition that yields uniform, fine foamed cells and is capable of producing a foamed sheet and a thermoformed article excellent in appearance, thermoformability, impact resistance, lightness, rigidity, heat-resistance, thermal insulating property, oil resistance, etc.SOLUTION: A polypropylene resin composition comprises: 5-99 wt.% polypropylene resin (X) having characteristics (X-i) to (X-iv) and having a long-chain branched structure; and 1-95 wt.% propylene block copolymer (Y) that has characteristics (Y-i) to (Y-v), is produced through successive polymerization and comprises a propylene (co)polymer (Y-1) and a propylene-ethylene copolymer (Y-2). |
