OXYGEN BARRIER COMPOSITION
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United States of America Patent
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Issued Date -
Feb 17, 2011
app pub date -
Apr 21, 2009
filing date -
Apr 25, 2008
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Abandoned
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Abstract
Oxygen barrier compositions are described comprising 70-95 wt % of a polyolefin, and incorporated in said polyolefin −0.1-10 wt % of an ethylene-vinyl alcohol polymer containing between 27 mol % and 44 mol % of ethylene units; 0.1-5 wt % of an active oxygen scavenger; 0.1-10 wt % of either a clay having an aspect ratio of at least 10, preferably at least 20, more preferably at least 50, or a nucleating agent, or a polyamide optionally containing such a clay or nucleating agent; and 0.1-5 wt % of a compatibiliser.
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