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Brought to you by:
The SPE Extrusion Division
Board of Directors

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MULTILAYER RHEOLOGY EFFECTS IN COEXTRUDED STRUCTURE DESIGN

Joseph Dooley, Chunxia Costeux, Robert Wrisley, and Andrew Schlader The Dow Chemical Company, Midland, MI


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Abstract

Multilayer coextrusion is a process in which two or more polymers are extruded and joined together in a feedblock or die to form a single structure with multiple layers. This paper will discuss techniques for measuring experimental rheology data for monolayer and multilayer structures. These data will then be used to show the effects of multilayer rheology in the design of coextruded structures.



To view the entire paper, please use the following link: Best Paper 2008.pdf