Thermal properties of polypropylene/rice husk ash composites

Incorporation of rick husk ash (RHA) fillers into polypropylene affected some of the thermal properties of polypropylene composites. Addition of the black rice husk ash (BRHA) filler raised the thermal degradation temperature while maintaining the oxidative stability. The thermal degradation tempera...

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Veröffentlicht in:Polymer international 1995-09, Vol.38 (1), p.33-43
Hauptverfasser: Fuad, M. Y. Ahmad, Mustafah, J., Mansor, M. S., Ishak, Z. A. Mohd, Omar, A. K. Mohd
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container_end_page 43
container_issue 1
container_start_page 33
container_title Polymer international
container_volume 38
creator Fuad, M. Y. Ahmad
Mustafah, J.
Mansor, M. S.
Ishak, Z. A. Mohd
Omar, A. K. Mohd
description Incorporation of rick husk ash (RHA) fillers into polypropylene affected some of the thermal properties of polypropylene composites. Addition of the black rice husk ash (BRHA) filler raised the thermal degradation temperature while maintaining the oxidative stability. The thermal degradation temperature of the white rice husk ash (WRHA) composites was found to be independent of filler loading but the oxidative stability deteriorated with increasing filler content. DSC studies indicated that both white and black RHA fillers act as weak nucleation agents and increase the degree of crystallinity of polypropylene by a small margin. Addition of the RHA fillers reduced the linear thermal expansion coefficient of the composites. Dynamic mechanical studies showed that the RHA composites with higher filler content have higher storage modulus. Tan δ curves of the composites indicated that WRHA filler increased the damping property while the BRHA filler had an opposite effect.
doi_str_mv 10.1002/pi.1995.210380104
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source Wiley Online Library Journals Frontfile Complete
subjects Applied sciences
Composites
Exact sciences and technology
filler
Forms of application and semi-finished materials
Polymer industry, paints, wood
polypropylene composoites
rice husk ash
Technology of polymers
thermal properties
title Thermal properties of polypropylene/rice husk ash composites
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