Patent ID: 6306473
Filing Date: 2001-10-23
Classification: A61J,A61M,B32B,C08L,Y10T

Abstract:
A multilayer film comprising five layers, wherein each layer is constituted by a resin having the following density in that order:1st layer: an ethylene-.alpha.-olefin copolymer having a density of 0.930 to 0.950 g/cm.sup.3,2nd layer: an ethylene-.alpha.-olefin copolymer having a density of 0.890 to 0.920 g/cm.sup.3,3rd layer: a polypropylene having a density of 0.900 to 0.930 g/cm.sup.3,4th layer: an ethylene-.alpha.-olefin copolymer having a density of 0.890 to 0.920 g/cm.sup.3, and5th layer: an ethylene-.alpha.-olefin copolymer having a density of 0.915 to 0.950 g/cm.sup.3.