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Trends in Physical Chemistry   Volumes    Volume 19 
Comparing rheological properties of glycerol-paraffin formulations
Teresa Feldman, Simon Nicolas, Jelena Jeftić
Pages: 1 - 8
Number of pages: 8
Trends in Physical Chemistry
Volume 19 

Copyright © 2019 Research Trends. All rights reserved

In this series of measurements we compared rheological properties of glycerol and paraffin with two formulations: one containing glycerol to paraffin in proportions 1:1, and the other formulation containing glycerol to paraffin in proportions 2:1. The viscosity was measured as a function of temperature in the interval from 60 °C to 80 °C. Also, the elastic and viscous properties were investigated by determining the storage modulus (G’) and the loss modulus (G”) as a function of temperature, strain or frequency. The overall observation is that these substances and formulations have Newton-like behavior in the range of temperatures between 60 °C and 80 °C. The loss tangent was determined for these four samples at two different temperatures, 60 °C and 80 °C, and it is shown that the difference is large for glycerol, while it is negligible for paraffin.
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