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Measuring the rheology of thermoplastic polymer melts

Published 12 October 2017 | By Malvern Instruments

Using rotational and capillary rheometry to characterize polymer melts

Rheology is the science of studying the flow and deformation of materials rooted in the laws of elasticity and viscosity proposed by Hooke and Newton in the late 17th Century. Thermoplastic polymer melts are widely used in many modern industrial processes to manufacture a multitude of objects. Polymers are used because they are relatively cheap to form into complex shapes in the molten state and therefore, we need to understand how they flow when being processed.

 

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