| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene film having self-heat sealability and excellent in barrier properties, and a barrier laminated film. SOLUTION: The polypropylene film having self-heat sealability is constituted by providing a skin layer (B) mainly comprising a polypropylene copolymer on one surface of a core layer (A) consisting of 1-25 wt.% of a petroleum resin and 99-75 wt.% of a crystalline polypropylene resin, and providing a skin layer (C) mainly comprising a polypropylene type copolymer on the other surface of the core layer (A).
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