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MULTILAYER POLYOLEFIN FILM HAVING A CORE AND ONE OUTER LAYER FORMED FROM ETHYLENE-ALPHA-OLEFIN COPOLYMER OF SIMILAR CHARACTERISTICS AND A SECOND OUTER LAYER COMPRISING A BLEND OF DIFFERENT ETHYLENE-ALPHA-OLEFIN COPOLYMERS
MULTILAYER POLYOLEFIN FILM HAVING A CORE AND ONE OUTER LAYER FORMED FROM ETHYLENE-ALPHA-OLEFIN COPOLYMER OF SIMILAR CHARACTERISTICS AND A SECOND OUTER LAYER COMPRISING A BLEND OF DIFFERENT ETHYLENE-ALPHA-OLEFIN COPOLYMERS
A polyolefin blown or slot cast monolayer or multilayer stretch film useful as a trayed overwrap e.g. for fresh red meat includes at least three layers in the multilayer embodiment each of which contains an ethylene alpha-olefin copolymer having a density below 0.915 g/cm3 and having a melting point of at least 90 DEG C with at least one outer layer and preferably also the first outer layer (50) or the core layer (51) having a second ethylene alpha olefin copolymer having a melting point less than 80 DEG C blended therein. MATH
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机译:聚烯烃吹塑或狭缝流延的单层或多层拉伸膜,可用作例如托盘的外包装。用于新鲜红肉的食品在多层实施方案中包括至少三层,每层包含密度低于0.915 g / cm 3且熔点至少为90℃且具有至少一个外层的乙烯-α-烯烃共聚物层和优选还有第一外层(50)或芯层(51),其中混合有熔点低于80℃的第二乙烯-α-烯烃共聚物。 展开▼