Patent ID: 6579580
Filing Date: 2003-06-17
Classification: B32B,B65D,Y10T

Abstract:
A packaging material having a barrier property for a composite container, the packaging material consisting ofa base material comprising: a paper support having an inner surface and an outer surface; and a polyolefin resin layer being layered onto the outer surface of the paper support and constituting an outermost layer of the container; and a coextruded laminate layered on the inner surface of the paper support of the base material, the laminate consisting of five layers arranged in the following order: a second polyolefin resin layer; a second adhesive layer; a barrier layer made from a polyamide resin represented by the following chemical formula: a first adhesive layer; and a first polyolefin resin layer, wherein the second polyolefin resin layer in the laminate is directly applied onto the inner surface of the paper support, and the first polyolefin resin layer of the laminate is an innermost layer of the container.