Thermal Degradation Kinetics and Morphology of Natural Rubber/Silica Nanocomposites

Authors: Li, Si-Dong; Peng, Zheng; Kong, Ling Xue; Zhong, Jie-Ping

Source: Journal of Nanoscience and Nanotechnology, Volume 6, Number 2, February 2006 , pp. 541-546(6)

Publisher: American Scientific Publishers

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Abstract:

A novel natural rubber/silica (NR/SiO₂) nanocomposite with a SiO₂ loading of 4 wt% is developed by incorporating latex compounding with self-assembly techniques. The SiO₂ nanoparticles are homogenouslydistributed throughout the NR matrix as spherical nano-clusters with an average size of 75 nm. In comparison with the host NR, the thermal resistance of the nanocomposite is significantly improved. The degradation temperatures (T), reaction activation energy(E), and reaction order (n) of the nanocomposite are markedly higher than those of the pure NR, due to significant retardant effect of the SiO₂ nanoparticles.

Keywords: NANOCOMPOSITE; NATURAL RUBBER; SILICA; SELF-ASSEMBLY; THERMAL DEGRADATION KINETICS; MORPHOLOGY

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2006.114

Publication date: 2006-02-01

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Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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