Deoxidizing multi-layer material and packaging container using same
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsTakashi Kashiba, Ryoji Otaki, Yoshiki Ito
Life of this patent
Estimating the term…
Abstract
A sheet-like or a film-like deoxidizing multi-layer material is herein disclosed which comprises an oxygen absorbing layer as a middle layer comprising an oxygen absorbing resin composition in which a deoxidizer composition is blended, a gas barrier layer as an outer layer comprising a gas barrier resin, and an oxygen permeating layer as an inner layer comprising an oxygen permeating resin, the gas barrier resin comprising a polyamide or a polyamide copolymer which contains 90 mol % or more of an amide structure unit produced by the polycondensation reaction of metaxylylenediamine with adipic acid.
Claims20
A sheet or a film deoxidizing multi-layer material which comprises an oxygen absorbing layer as a middle layer comprising an oxygen absorbing resin composition in which a deoxidizer composition is blended, a gas barrier layer as an outer layer comprising a gas barrier resin, and an oxygen permeating layer as an inner layer comprising an oxygen permeating resin, the gas barrier resin comprising a polyamide or a polyamide copolymer which contains 90 mol % or more of an amide structure unit produced by the polycondensation reaction of metaxylylenediamine with adipic acid.
Dependencies are inferred from the claim text.