METHODS, STRUCTURES, AND USES FOR PUCKER-RESISTANT COATINGS WITH SEALABILITY, AROMA AND OXYGEN BARRIERS
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United States of America Patent
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Issued Date -
Oct 18, 2018
app pub date -
Jun 19, 2018
filing date -
Jun 19, 2018
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Abstract
A clear packaging film is disclosed that is free of polyvinylidene chloride while retaining excellent machinability, barrier properties, and resistance to visual deterioration such as puckering or dimpling. The film comprises a protective barrier layer comprising ethylene vinyl alcohol, polyvinyl alcohol, polyamides, or combinations thereof, disposed atop a biaxially oriented polypropylene core. This barrier layer is top-coated with an acrylic coating to enhance the machinability, sealability, and appearance of the film.
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