High drawdown extrusion composition and process
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Mar 6, 1995
filing date -
Oct 15, 1991
priority date (Note) -
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Abstract
A process and thermoplastic composition for high line speed extrusion without high neck-in and draw resonance are disclosed. The thermoplastic composition is made of at least one ethylene polymer having a Dow Rheology Index (DRI) of at least 0.1 or, alternately, 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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