TRANSPARENT ORIENTED POLYPROPYLENE FILM WITH HIGH MOISTURE VAPOR AND OXYGEN BARRIER PROPERTIES
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Jul 13, 2015
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Jul 13, 2015
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Described are transparent oriented polypropylene films with improved barrier properties and methods of making these films. The films and methods include a core layer comprising polypropylene, hydrocarbon resin, and polyethylene wax to improve moisture vapor barrier properties, an optional barrier layer comprising polar polymers to improve oxygen barrier properties, and optional skin layers to improve heat sealing, winding, printing, and/or adhesion.
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