2015•AIP conference proceedingsRequires access
Testing of thermomechanical stability of sensitive polymers by oscillation rheometry
Roderik Plavec, Leona Kaliňáková, Dagmara Perďochová, Martina Matvejová, Gočalová Ivana, Alexy Pavol, Dušan Bakoš
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Abstract
The study is focused on measuring of processing stability by oscillation rheometry. This method helps to describe processing stability of high sensitive polymers, which degrade during melt processing. The oscillation rheometry is a rapid method which could indicate the process of degradation during thermomechanical stress. The decrease of complex viscosity indicates degradation of polymers during testing It has been shown that decrease of complex viscosity reflects changes in molecular weight of degraded polymers.