Effects of Mica and Fly Ash Concentration on the Properties of Polyester Thermoplastic Elastomer Composites

Particle-filled polymer composites are becoming attractive because of their wide applications and low cost. In this study, the effects of fillers such as mica and fly ash, at varying concentrations, on the mechanical, thermal, electrical, rheological, and morphological properties of polyester thermo...

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Bibliographic Details
Published in:Journal of thermoplastic composite materials 2011-05, Vol.24 (3), p.317-331
Main Authors: Sreekanth, M.S., Joseph, S., Mhaske, S.T., Mahanwar, P.A., Bambole, V.A.
Format: Article
Language:English
Subjects:
Dispersions
Electrical properties
Fillers
Flexural strength
Fly ash
Mica
Polyester thermoplastic elastomers
Polymer matrix composites
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Summary:Particle-filled polymer composites are becoming attractive because of their wide applications and low cost. In this study, the effects of fillers such as mica and fly ash, at varying concentrations, on the mechanical, thermal, electrical, rheological, and morphological properties of polyester thermoplastic elastomer (Hytrel®) were investigated. Composites of Hytrel® with varying concentrations (5—40 wt%) of mica and fly ash were prepared by twin screw extrusion. Mechanical properties, such as flexural strength and modulus, were found to increase with filler concentration. Mica showed a moderate increase in tensile strength with low concentrations, whereas the strength decreased with fly ash concentration. Thermal and electrical properties of the composites were found to increase with filler concentration. Morphological studies revealed that there was a good dispersion of filler in the polymer matrix at lower concentrations.
ISSN:0892-7057
1530-7980
DOI:10.1177/0892705710389293