HEAT-SHRINKABLE FILM
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United States of America Patent
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Issued Date -
Dec 10, 2009
app pub date -
Jul 2, 2007
filing date -
Jul 3, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides a raulti-layer heat-shrinkable film comprising: a first outer layer comprising a polyester; a second outer layer comprising a polyester; an inner layer comprising a polyolefin; a first intermediate layer between the first outer layer and the inner layer comprising polypropylene grafted with glycidyl methacrylate either directly or through a graft promoter; and a second intermediate layer between the second outer layer and the inner layer comprising polypropylene grafted with glycidyl methacrylate either directly or through a graft promoter.
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