OXYGEN BARRIER MULTILAYER STRUCTURE, AND MULTILAYER PACKAGING MATERIAL AND MULTILAYER CONTAINER USING SAME
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Sep 27, 2006
filing date -
Sep 27, 2005
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Abandoned
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Abstract
An oxygen barrier multilayer material for containers is developed that selectively shields oxygen from the outside and also shields volatile substances by-produced by oxidation reaction. Provided are a selective oxygen absorbent multilayer structure produced by co-extrusion having an oxygen absorbing layer containing an oxygen absorbing resin composition, an inner barrier layer (A) and an outer barrier layer (C) arranged inside and outside the oxygen absorbing layer, in which the oxygen transmission rate of the outer barrier layer (C) is smaller than the oxygen transmission rate of the inner barrier layer (A), and a multilayer packaging material and a multilayer container, using the selective oxygen absorbent multilayer structure.
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