Patent ID: 6063503
Filing Date: 2000-05-16
Classification: B32B,B65D,Y10T

Abstract:
An oxygen absorbing multi-layer film having a smooth surface which comprisesan oxygen permeating resin layer A comprising a thermoplastic resin, said oxygen permeating resin layer A having a smooth upper outer surface and an inner lower surface,a deoxidizing resin layer B comprising a deoxidizing resin composition obtained by dispersing a particulate absorbing composition in a thermoplastic resin, said deoxidizing resin layer B having a thickness of 10 to 100 .mu.m, said deoxidizing resin layer B having an upper surface and a smooth lower surface, said deoxidizing resin layer B being laminated to the lower surface of said oxygen permeating layer A,a smoothing layer C comprising a polyolefin resin, said smoothing layer C having a thickness of 10 to 50 .mu.m, said smoothing layer C having an upper surface and a lower surface, said smoothing layer C being laminated on the smooth lower surface of said deoxidizing resin layer B, anda gas barrier layer D comprising a gas barrier material laminated on the lower surface of the smoothing layer C,said particulate oxygen absorbing composition having a maximum particle diameter which is less than the sum of the thickness of said deoxidizing resin layer B and said smoothing layer C.