Effect of Material Properties and Processing Conditions on PP Film Casting, 2007 PLACE Conference

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Film casting is a common industrial process used to produce polymeric films. The material properties and processing conditions have a significant impact on the process and the final thermal/mechanical properties. We experimentally investigate the impact of polymer molecular weight on the films. The effect of process conditions and post-processing steps like uniaxial stretching, on film strength, orientation and crystallinity is also studied. The measured velocity and temperature profiles are compared to model predictions.