| 摘要 |
A film prepared from a polypropylene and polyisobutylene blend wherein the film has a stretching force that is reduced by about 5% to 200% when compared to an otherwise similar film prepared in the absence of polyisobutylene. A method of producing film comprising contacting polypropylene and polyisobutylene to form a polymeric blend, forming the polymeric blend into a film, and orienting the film.
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