RHEOLOGICAL PROPERTIES OF NANOCOMPOSITES BASED ON BIFUNCTIONAL CLINOPTILOLITE AND ETHYLENE/HEXENE COPOLYMER
Journal: Azerbaijan Chemical Journal (Vol.0, No. 2)Publication Date: 2020-06-29
Authors : I.V.Bayramova;
Page : 83-89
Keywords : viscosity; shear rate; shear stress; nanocomposites; polymer melt; clinoptilolite;
Abstract
The results of a study of the influence of temperature and shear stress on the rheological properties of ethylene/hexene copolymer and its clinoptilolite-filled nanocomposites are presented. Rheological measurements were carried out in the temperature range of 190–2500C. The dependence of shear rate on shear stress, effective melt viscosity on shear rate, and melt viscosity on temperature in Arrhenius coordinates is studied. Using the universal temperature-invariant viscosity characteristics of nano-composites allows to make approximate calculations of effective viscosity close to the conditions of their processing by extrusion and injection molding by extrapolation to the region of high shear rates
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Last modified: 2020-10-09 17:32:24