PLASTIC CONTAINERS WITH GAS BARRIER COATING HAVING IMPROVED MOISTURE RESISTIVITY
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United States of America Patent
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May 19, 2016
app pub date -
Jul 8, 2014
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Jul 12, 2013
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Abstract
The invention is directed to a process for producing a plastic container with a barrier coating comprising the steps a) applying at least one coating layer of a first polyvinyl acetal on at least a part of the plastic container; b) applying at least one coating layer of vinylalcohol/vinylacetate/ethylene terpolymer (PVAE) on the first polyvinyl acetal layer; c) applying at least one top coating layer of a second polyvinyl acetal on the PVAE layer.
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