| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a protective film which is excellent in rigidity, tear resistance, and transparency, can be thinned down, and is protected from being peeled off from a product and wrinkled. Ž<P>SOLUTION: The multi-layer protective film has layers 2a and 2b formed of random polypropylene polymerized with a metallocene catalyst and a layer 3 formed of polyethylene polymerized with a metallocene catalyst. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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