| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyethylene system stretch film which is thin, also can be stably extrusion-molded, and has sufficient elongation, adhesiveness and strength. <P>SOLUTION: The polyethylene system stretch film 1 is composed of a resin composition having a three layer structure composed of an intermediate layer 11 and external layers 12, 13 laminated on the both sides of the intermediate layer 11, and in which the intermediate layer 11 and the external layers 12, 13 comprise specified resin components, the whole thickness is 5 to 8 μm, the ratio of the thickness of the intermediate layer to the whole thickness is 70 to 85%, its breaking point strength in an MD direction is 380 to 500 kg/cm<SP POS="POST">2</SP>and its breaking point elongation is 150 to 250%. <P>COPYRIGHT: (C)2012,JPO&INPIT |
