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Thermal degradation of natural rubber/ZNO nanocomposites

Li, P. W., Lu, M. Z., Huang, M. F., Peng, Z. and Kong, L. X. 2008, Thermal degradation of natural rubber/ZNO nanocomposites, in APCMP 2008 : Proceedings of the 8th Asia-Pacific conference on materials processing, Frontiers of Design and Manufacturing, Riverwood, N.S.W., pp. 996-1001.

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Title Thermal degradation of natural rubber/ZNO nanocomposites
Author(s) Li, P. W.
Lu, M. Z.
Huang, M. F.
Peng, Z.
Kong, L. X.
Conference name Asia-Pacific Conference on Materials Processing (8th : 2008 : Guilin, China, and Guangzhou, China)
Conference location Guilin-Guangzhou, China
Conference dates 15-20 June 2008
Title of proceedings APCMP 2008 : Proceedings of the 8th Asia-Pacific conference on materials processing
Editor(s) Wang, C. Y.
Li, X. P.
Wang, J.
Publication date 2008
Conference series Asia-Pacific Conference on Materials Processing
Start page 996
End page 1001
Publisher Frontiers of Design and Manufacturing
Place of publication Riverwood, N.S.W.
Keyword(s) Thermogravimetric analyses
Nnatural rubber
Nanocomposite
Summary Nanoparticies have been widely used to enhance the properties of natural rubber (NR). In the present paper a novel nanocomposite was developed by blending nano-ZnO slurry with prevulcanized NR latex, and the thermal degradation process of pure NR and NR/ZnO nanocomposites with different nano-ZnO loading was studied with a Perkin Elemer TGA-7 thermogravimetric analyzer. The thermal degradation parameters of NR/ZnO (2 parts ZnO per hundred dlY rubber) at different heating rates (Bs) were studied. The results show that the thermal degradation of pure NR and NR/ZnO nanocomposites in nitrogen is a one-step reaction. The degradation temperatures of NR/ZnO nanocomposite increase with an increasing B. The peak height (Rp) on the differential thermogravimetric curve increases with the increase of B. The degradation rates are not affected significantly by B, and the average values of thermal degradation rate Cp and Cf are 44.42 % and 81.04 %, respectively. The thermal degradation kinetic parameters are calculated with Ozawa-Flynn-Wall method. The activation energy (E) and the frequency factor (A) vary with ecomposition degree, and can be divided into three phases corresponding to the volatilization of low-molecular-weight materials, the thermal degradation ofNR main chains and the decomposition of residual carbon.
ISBN 9780958069298
Language eng
Field of Research 030399 Macromolecular and Materials Chemistry not elsewhere classified
Socio Economic Objective 860608 Rubber and Synthetic Resins
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2008, APCMP
Persistent URL http://hdl.handle.net/10536/DRO/DU:30018278

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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