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| Rheological Properties of Polyvinylacetate: Creep Compliance and Viscosity |
Mahmoud Abdel-Halim Abdel-Goad
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Abstract:
The dynamic viscoelastic properties of Polyvinylacetate with molecular weight 83000g/mol (PVA 83K ) were determined by using a Rheometer operated in the dynamic mode and 8 mm parallel plate over a wide range of temperature as a function of frequency. The measurements were performed successively in the parallel plate geometry using 8 mm plate instead of 25 mm. The creep compliance and viscosity are measured and evaluated. The melt viscosity, is determined in this study for PVA 83K sample to be about 3.7* 107 Pa.s.
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