Heat shrinkable films containing single site catalyzed copolymers
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United States of America Patent
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Sep 15, 2009
Grant Date -
Jan 15, 2004
app pub date -
Feb 21, 2003
filing date -
Nov 13, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to a heat-shrinkable, thermoplastic film or bag which contains at least one homogeneous ethylene alpha-olefin copolymer having a density of at least 0.90 g/cc. Oriented films made in accordance with the present invention exhibit improved optics and improved impact resistance. A homogeneous ethylene alpha-olefin may be present in a monolayer film either alone or in a blend or may be included in one or more layers of a multilayer film in accordance with the present invention.
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