Extrusion compositions having high drawdown and substantially re

Details Extrusion compositions having high drawdown and substantially re Extrusion compositions having high drawdown and substantially re

1997-04-21

1999-01-26

Harrison, Robert H.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

26417123, 2641761, 428516, 428522, 525190, 525221, 525222, 525227, 525240, C08L 2304, C08J 500, B32B 2732

Patent

active

058636650

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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