High drawdown extrusion process with greater resistance to draw resonance
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United States of America Patent
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Mar 7, 1995
Issued Date -
N/A
app pub date -
Jun 29, 1993
filing date -
Oct 15, 1991
priority date (Note) -
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Abstract
A process for extruding a thermoplastic composition at higher drawdown rates with less neck-in and greater resistance to draw resonance as well as processes for extrusion coating a substrate and for making an extrusion-cast film are disclosed. The thermoplastic composition is made of at least one substantially linear ethylene polymer used alone or in combination with at least one high-pressure ethylene polymer and/or with at least one heterogeneous linear olefin polymer.
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