Process for Packaging Tacky Polyester Resins
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United States of America Patent
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Issued Date -
Nov 3, 2011
app pub date -
Dec 22, 2010
filing date -
Dec 31, 2009
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Abandoned
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Abstract
A method for packaging plastic material using a film to surround the material, and more particularly to a method for packaging a copolyester, and the resulting package formed thereby. The method is preferably a coextrusion process for packaging an amorphous or semi-crystalline copolyester having a low glass transition temperature by extruding it through a die orifice, and coextruding a copolyester polymeric film having a high glass transition temperature to surround the low glass transition copolyester. The coated low glass transition copolyester may then be formed into individual packaged units having a finite size and shape.
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