Oxygen-absorbing film, oxygen-absorbing laminate, oxygen-absorbing packaging material comprising oxygen-absorbing laminate, and oxygen-absorbing resin composition
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United States of America Patent
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May 9, 2017
Grant Date -
Nov 21, 2013
app pub date -
Sep 23, 2011
filing date -
Feb 1, 2011
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Abstract
An oxygen-absorbing film (1) is composed of an oxygen-absorbing layer (2) and thermoplastic resin layers (3) provided on both surface of the oxygen-absorbing layer (2), wherein the oxygen-absorbing layer (2) comprises both a thermoplastic resin and an oxygen-deficient cerium oxide, and the content of the oxygen-deficient cerium oxide exceeds 50 wt % and is less than 85 wt %. The oxygen-absorbing layer is formed preferably from a resin composition which contains an oxygen-deficient cerium oxide in an amount exceeding 50 wt % and which exhibits a melt flow rate of 1.0 to 18.0 g/10 min.
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