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Extensional Rheology in Polymer Processing

Watch this webinar entitled - Extensional Rheology in Polymer Processing

Extensional Rheology in Polymer Processing

Video credit: TA instruments

About this webinar:

Extensional flows dominate many polymer processes, including blow molding, film blowing, fiber spinning, thermoforming and many others. The rheology of polymeric materials under extensional flows can differ significantly from shear flows and it is important to understand this in order to optimize both materials and processes. In this webinar, we will:

  • Introduce examples of extensional flows in polymer processing
  • Define the three types of extension and the nomenclature used to describe them
  • Introduce the material behaviors seen in extension and how they relate to polymer architecture
  • Describe methods for measuring extensional rheology in the laboratory
  • Show example measurements and provide tips to avoid errors and artifacts
  • Present a case study of thermoforming polystyrene, high impact polystyrene, and a blend of the two

About the speaker:

Professor João Maia is an Associate Professor in the Department of Macromolecular Science and Engineering of Case Western Reserve University, and the Director of the Center for Advanced Polymer Processing.

Dr. Maia was born in 1970, in Barreiro, Portugal. He graduated in Technological Physics Engineering from the Technical University of Lisbon in 1992 and obtained his PhD Degree in Rheology from the University of Wales Aberystwyth in 1996, under the supervision of Professor Ken Walters, FRS. Between 1996 and September 2009 he was faculty at the University of Minho, Portugal and since October 2009 he’s been with the Department of Macromolecular Science and Engineering of Case Western Reserve University. Since November 2011 he is the Director of CAPP – Center for Advanced Polymer Processing, of CWRU.

Who should watch:

Anyone interested in rheology or polymers should watch this webinar

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