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US 2020/0039197 A1Published application
Oxygen absorptive film, packaging laminated body and packaging body using oxygen absorptive film, and method for processing contents using packaging body
AssigneeKyodo Printing Co., Ltd.
InventorsAtsushi YASUDA, Yuki NARITA, Masa INOUE
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Abstract
An oxygen absorptive film 10a of the present invention is an oxygen absorptive film provided with an oxygen absorption layer 2 and a skin layer 4 laminated on at least one surface of the oxygen absorption layer, wherein the oxygen absorption layer contains polyolefin and cerium oxide having oxygen deficiency, and wherein the skin layer contains an acyclic olefin-based polymer and a cyclic olefin-based polymer.
Claims15
An oxygen-absorbing film comprising an oxygen-absorbing layer and a skin layer laminated on at least one surface of the oxygen-absorbing layer,
- wherein the oxygen absorbing layer comprises a polyolefin, and oxygen-deficient cerium oxide, and
- wherein the skin layer comprises an acyclic olefin polymer and a cyclic olefin polymer.
A package, comprising
- a laminate for packaging comprising a substrate layer, an oxygen-absorbing layer, and a skin layer in that order, and
- a content sealed by the laminate for packaging,
- wherein the skin layer of the laminate for packaging is positioned on the side with the content,
- wherein the oxygen-absorbing layer comprises a polyolefin and an oxygen-deficient cerium oxide, and
- wherein the oxygen permeability of a thermoplastic resin constituting the skin layer, measured in accordance with JIS K 7126-2, is 1000 to 6500 cc·20 μm/m2·day·atm.
2 more elements
A package, comprising
- a laminate for packaging, comprising a substrate layer, an oxygen-absorbing layer, and a skin layer in that order, and
- a content sealed by the laminate for packaging,
- wherein the skin layer of the laminate for packaging is positioned on the side with the content,
- wherein the oxygen-absorbing layer comprises a polyolefin and oxygen-deficient cerium oxide, and
- wherein the skin layer comprises an acyclic olefin polymer and a barrier resin such that, at 25° C., the oxygen concentration inside the package is 0.7 to 5.0 vol % for at least 24 hours within 7 days after the sealing of the content, and is 0.2 vol % or less after 7 days from the sealing of the content.
2 more elements
Dependencies are inferred from the claim text.