期刊
THERMOCHIMICA ACTA
卷 473, 期 1-2, 页码 106-108出版社
ELSEVIER
DOI: 10.1016/j.tca.2008.04.019
关键词
fullerene; polypropylene; thermal stability; flame retardancy
Nanocomposites based on polypropylene (PP) and fullerene C-60 (in the range of 0.5-2 wt%) were prepared by melt compounding. It was observed that C-60 Could not only significantly enhance the thermal stability in nitrogen but also considerably delay the oxidation decomposition in air of polypropylene. Unexpectedly, the incorporation of C-60 greatly reduced the heat release rate of PP and resulted in a longer time to ignition. And the free radicals-trapping mechanism of C-60 was proposed for explaining the enhanced thermal properties and improved flame retardancy of PR Therefore, C-60 will be an effective flame retardant like carbon nanotubes and clay for PR (C) 2008 Elsevier B.V. All rights reserved.
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