| 摘要 |
Polyolefin material comprising a core portion composed of at least one of polypropylene produced using a Ziegler-Natta catalyst, isotactic homopolymer or random copolymer of propylene produced using a metallocene catalyst or polyethylene, preferably linear low density polyethylene, and an external layer composed of the core portion material additionally blended with a syndiotactic polypropylene, the syndiotactic polypropylene including at least one particulate material or chemical additive.
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