Patent ID: 8741433
Filing Date: 2014-06-03
Classification: B32B,Y10T

Abstract:
1. A multilayer heat-shrinkable packaging film having an interior surface and an exterior surface, the film comprising: a first outer layer forming at least a portion of the exterior surface, wherein the first outer layer comprises a blend of between about 5% and about 50% by weight of the blend of an amorphous nylon copolymer; between about 5% and about 50% by weight of the blend of a low temperature polyamide having a melting point of less than 155° C.; and between about 5% and about 80% by weight of the blend of a high temperature polyamide having a melting point of at least 155° C.; a second layer that is a sealant layer forming at least a portion of the interior surface, wherein the second layer comprises an ethylene-alpha-olefin; an oxygen barrier layer positioned between the first outer layer and the second layer; a first adhesive layer positioned between and in direct contact with each of the first outer layer and the oxygen barrier layer; and a second adhesive layer positioned between and in direct contact with each of the oxygen barrier layer and the second layer; wherein the film has a total free shrink value at 90° C. of at least 80%.