MINERAL OIL BARRIER FILM WITH HIGH OXYGEN DIFFUSION PROPERTIES
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United States of America Patent
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Jun 11, 2015
app pub date -
Dec 5, 2013
filing date -
Dec 5, 2013
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Abstract
A biaxially oriented polypropylene (BOPP) film with a novel coating layer which has an O2TR value in cc/m2/day in a range from 100 to 2000, and a MOSH value of 0.6 mg/kg or less is disclosed. This coating layer comprises a blend of additives that are approved for coatings for direct contact with food. In one embodiment, the coating layer comprises a poly-vinyl amine and a styrene butadiene resin emulsion.
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