发明授权
US5141809A Low comonomer content ethylene-acrylate polymers in stretch/cling films 失效
低共聚单体含量在拉伸/粘贴膜中的乙烯 - 丙烯酸酯聚合物

Low comonomer content ethylene-acrylate polymers in stretch/cling films
摘要:
A thermoplastic film is provided which is especially suited for use in stretch/cling applications such as, for example, the bundling, packaging and unitizing of foods and other goods. The film comprises a cling layer comprising (i) a non-cling polymer of at least ethylene and acrylate or vinyl acetate, blended with (ii) a compatible, non-migratory tackifier. The film may further comprise a non-cling layer comprising a polyolefin essentially free of tackifier, with or without an anticling (slip and/or antiblock) additive. Preferred polyolefins include linear low density polyethylene and polypropylene.
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