Charlie Martin

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Charlie Martin

Charlie Martin 
President/General Manager, Leistritz Extrusion


Tools for Ingeo Users: Optimizing for Industry Success

The Importance of Twin Screw Extrusion System Design When Processing Ingeo™ Polylactide

Success in polymer compounding is often defined by some combination of maximum rate, adequate dispersion of feedstocks, efficient devolatilization and recommended melt temperature. Just like any polymer, polylactide has its own physical and rheological properties that put constraints on these output criteria. Fortunately, the versatility of twin screw compounders provides an opportunity to adjust the process window to optimize the critical output variable for a specific end use application. This paper will discuss how proper system and screw design can improve both the extrudate quality and reduce the energy consumption without compromising output.

About Charlie Martin

Charlie is President/General Manager of Leistritz Extrusion, which provides equipment and services to the plastics and medical/pharmaceutical industries.

Extensively published, Charlie has delivered 200+ technical presentations and co-edited the textbook Pharmaceutical Extrusion Technology, a seminal book on a new manufacturing technology that has been embraced by the pharmaceutical industry and holds two extrusion related patents.

Charlie serves on the BOD for the SPE Extrusion Division, the Polymer Processing Institute @ NJIT, and also on the Technical Advisory Board for Teel Plastics in Wisconsin.

Charlie earned his undergraduate degree from Gettysburg College in 1983, and MBA from Rutgers University in 1990.


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Green Sports Alliance