BIODEGRADABLE BIAXIALLY ORIENTED LAMINATED FILM
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United States of America Patent
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Issued Date -
Jul 22, 2010
app pub date -
May 28, 2008
filing date -
Jul 23, 2007
priority date (Note) -
Abandoned
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Abstract
A biodegradable biaxially oriented laminated film of the present invention comprising at least one first resin layer and at least one second resin layer which are alternately laminated together, the first and second resin layers containing as major components a polylactic acid-based polymer and an aromatic polyester-based resin, respectively, exhibits improved biodegradability, flexibility, gas-barrier property and heat-resistance, which is useful for environmentally friendly packaging.
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