Extrusion compositions having high drawdown and substantially reduced neck-in
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United States of America Patent
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Dec 10, 1996
Issued Date -
N/A
app pub date -
Nov 23, 1994
filing date -
Oct 15, 1991
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Abstract
An ethylene polymer extrusion composition having high draw down and substantially reduced neck-in, a process for making such a composition and a process of using such a composition to prepare extrusion coatings, extrusion profiles and extrusion cast films are disclosed. The ethylene polymer extrusion composition is made of 75-95 weight percent of at least one ethylene .alpha.-olefin interpolymer and 5-25 weight percent of at least one high pressure ethylene polymer characterized as having high melt strength and a broad, bimodal molecular weight distribution. In profiles, coatings or films, the composition can be used as sealant, adhesive or abuse resistance layers.
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