| 摘要 |
<p>A polyolefin multilayer film containing a polyolefinic core layer and a first polyolefin skin layer of a blend, wherein the first polyolefin skin layer does not contain a thermoplastic or natural rubber and provides a cold seal receptive surface for a cold seal adhesive is disclosed. The blend includes an ethylene propylene random copolymer at 50-90 wt.% of the skin layer and metallocene catalyzed plastomer at 10-50% wt.% of the skin layer, a metallocene catalyzed isotactic polypropylene polymer or a butene propylene copolymer that contains from 5 wt% to 22 wt% of butene.</p> |
