BIAXIALLY ORIENTED POLYLACTIC ACID FILM WITH IMPROVED MOISTURE BARRIER
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jun 28, 2010
filing date -
Jun 26, 2009
priority date (Note) -
Abandoned
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Abstract
A biaxially oriented multilayer film comprising a skin layer of polyhydroxyalkanoate, a core layer of polylactic acid polymer and a sealant layer with a metal deposited upon one surface of the skin layer of polyhydroxyalkanoate polymer. This metallized, polyhydroxyalkanoate-coextruded polylactic acid film exhibits improved moisture barrier property versus a metallized, non-polyhydroxyalkanoate-coextruded polylactic acid film.
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