POLYPROPYLENE FILMS EMPLOYING RECYCLED COMMERCIALLY USED POLYPROPYLENE BASED FILMS AND LABELS
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United States of America Patent
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N/A
Issued Date -
May 31, 2007
app pub date -
Oct 18, 2006
filing date -
Oct 18, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multilayer film includes a core layer having recycled, commercially used plastic therein and opposed skin layers, at least one of said opposed skin layers including a whitening agent or other pigmenting agent therein to mask any undesired coloration created by the recycled plastic. Laminations employing the above multilayer film also form part of this invention. A method of this invention for making a multilayer film including a core layer with recycled plastic therein includes the steps of: separating a plastic film or label from a package of commercial product; pelletizing the plastic film or label into pellets for introduction into an extruder of a film forming device and introducing the pelletized plastic film or label into said extruder for introducing the recycled plastic film or label pellets into a core layer of a multilayer film.
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