Patent ID: 6113927
Filing Date: 2000-09-05
Classification: B32B,B65D,Y10T

Abstract:
An aqueous liquid material package, comprising:an inner gas-permeable, moisture-permeable molded container formed from one of the group consisting of polyolefin and polyvinyl chloride and having a water vapor permeability of at least 0.3 g/m.sup.2 per day and an oxygen permeability of at least 100 cc/m.sup.2 atm per day at 23.degree. C. and 90% relative humidity in which aqueous liquid material having a water activity of at least 0.7 is packed; andan outer packaging container including an oxygen-absorbing multilayer material having an oxygen-absorbent layer A including a thermoplastic resin containing an iron oxygen absorbent comprising a particulate iron powder coated with metal halide and an alkaline earth metal oxide, a sealant resin layer B disposed on the inside of the oxygen-absorbent layer A, and a gas barrier layer C disposed on the outside of the oxygen-absorbent layer A, wherein said outer container is sealed containing said inner container without adding moisture.