Rheology: A Critical Tool For Flat Film Die Design
In this webinar we will explore shear thinning effects of polymer melts and how it affects critical aspects of the extrusion process. The shear-thinning behavior is related to molecular parameters and molecular weight distribution. We will see how a given shear-thinning behavior affects flow patterns in a cast film extrusion die. Coextrusion is a very important area for film manufacturing and we will discuss how rheology can influence the flow pattern of the multi-layer coextrusion flow.
2018-07-10, 10:00 - 11:00
Formateur: Oliver Catherine
Mr. Olivier Catherine has fifteen years of experience in the plastics industry as an expert in polymer processing, polymer rheology and process modeling. Mr. Catherine is currently responsible for Technology advancements at Cloeren Incorporated, a solution supplier for coextruded flat film, sheet and extrusion coating tooling technology.
Mr. Catherine graduated in France from Cemef / Paris Tech (http://www.cemef.mines-paristech.fr/ ), where he acquired his Masters of Science in Materials Science in 2001. Since his graduation, he has continuously been interested in Materials Science and the relationship between materials structure, processing and overall product properties.
Following his graduation, Mr. Catherine worked for Saint-Gobain Seva (http://www.saint-gobain-seva.com/ ) in Chalon-sur-Saone - Burgundy, France. He was then a Project Engineer for the development of PVC window profile extrusion dies for three years.
This first experience gave Mr. Catherine the opportunity to join the Saint-Gobain R&D Center in Northborough, Massachusetts as a Research Engineer in the Polymer Processing Group in 2004. There, he worked with the Rheology / Polymer Characterization group, the Numerical Simulation group and the Polymer Processing group on developing new processes and products, until 2010.
In February 2010, Mr. Catherine joined Cloeren Incorporated (www.cloeren.com) as a Corporate Scientist. Since, he has been working on die design together with Mr. Peter Cloeren, developing new concepts like the patented moebius-manifold™. He has been also implementing new rheological tools and flow simulation capabilities.
He is a member of the following professional associations: the Society of Rheology, the Polymer Processing Society (PPS), TAPPI, and the Society of Plastics Engineer (SPE). He is currently the Past Chair of the Extrusion Division of SPE.
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