Grantee
The Dow Chemical Company
Primary examiner
Jr.; Carman J. Seccuro
Application number
3442624
Kind
A
Document number
5582923
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Extrusion compositions having high drawdown and substantially reduced neck-in

5582923 - 3442624 - USPTO

Application Nov 23, 1994 - Publication Dec 10, 1996

Lawrence T. Kale Pradeep Jain David C. Kelley Deepak R. Parikh Sharon L. Baker Osborne K. McKinney

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.

Description

Claims

Other sources for this patent

  • Process for the preparation of trimethine dyestuffs

    4419511 - 3442624 - USPTO

    Application Jan 28, 1982 - Publication Dec 06, 1983

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