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    • 6. 发明授权
    • Multi-layer film and package
    • 多层薄膜和包装
    • US4856656A
    • 1989-08-15
    • US169101
    • 1988-03-09
    • Keiji SugimotoTakeo HayashiMasahiro Fujimoto
    • Keiji SugimotoTakeo HayashiMasahiro Fujimoto
    • B32B5/18B32B27/32B65D65/40
    • B32B27/32Y10T428/1334Y10T428/1352Y10T428/2826
    • The first invention provides a multi-layer film comprising (A) a low density polyethylene-based resin layer, (B) a polyolefin-based resin expanded layer and (C) a high density polyethylene-based resin layer.The second invention provides a package comprising (I) an article to be packaged, (II) the multi-layer film of the first invention, said multi-layer film being used in packaging the article in such a manner that the low density polyethylene-based resin layer is in contact with the article, and (III) a buffering material being used to fix the article.The multi-layer film of the first invention is excellent in buffering properties, tensile strength, tear strength, impact strength and stiffness, and further has good frictional charcteristics and good pearl-like appearance.With the package of the second invention, an article can be efficiently protected during its storage and transportation, and thus an easily scratchable article can be effectively protected.
    • 第一发明提供一种多层膜,其包含(A)低密度聚乙烯类树脂层,(B)聚烯烃类树脂发泡层和(C)高密度聚乙烯类树脂层。 第二发明提供一种包装,其包括(I)待包装的物品,(II)第一发明的多层膜,所述多层膜用于包装物品,使得低密度聚乙烯 - 基材树脂层与制品接触,(III)用于固定制品的缓冲材料。 第一发明的多层膜的缓冲性,拉伸强度,撕裂强度,冲击强度和刚度优异,并且还具有良好的摩擦特性和良好的珍珠状外观。 利用第二发明的包装,可以在其存储和运输期间有效地保护物品,从而可以有效地保护易于擦拭的物品。