Patent ID: 9096040
Filing Date: 2015-08-04
Classification: A61J,B29C,B32B,Y10T

Abstract:
1. A plastic film formed in a co-extrusion method including at least three layers, comprising: a first layer that contains a polyamide which is a nylon 11; a second layer that contains as the main component a copolymer of an α-olefin and an anhydride monomer of an unsaturated carboxylic acid or an unsaturated dicarboxylic acid; and a sealing layer that contains a polyethylene as the main component, wherein the sealing layer includes two layers which are a layer adjacent to the second layer constituted by a mixture of 60 to 95 mass % of a linear low-density polyethylene and 5 to 40 mass % of high-density polyethylene, and a layer which is adjacent to the layer adjacent to the second layer and constituted by a high-density polyethylene.