Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 107, Issue -, Pages 461-470Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2018.01.026
Keywords
Hybrids; Fire hazards; Catalysis; Epoxy
Funding
- National Key R&D Program of the MOST of China [2016YFA0300201]
- National Natural Science Foundation of China [51573173]
- Research Grants Council of the Hong Kong Special Administrative Region [CityU 122612]
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SnO2 nanowires decorated MnO2 nanosheets hybrids, were prepared and incorporated into epoxy resins to improve the flame retardancy and inhibite the smoke in combustion. SnO2-MnO2 hybrids shows significant improve in flame retardancy, fire toxicity and thermal properties of epoxy nanocomposites, compared to neat epoxy and nanocomposites with a single SnO2 or MnO2. The char residues and glass transition temperature of the epoxy/2 wt% SnO2-MnO2 nanocomposite were remarkably increased. The peak heat release rate of EP/2 wt% SnO2-MnO2 was significantly decreased by 62.9% than that of pure epoxy. TG-FTIR results that the concentration of organic volatiles of epoxy was significantly reduced and the toxic CO was suppressed after incorporating SnO2-MnO2. The physical barrier for SnO2-MnO2 hybrids and the synergism between the catalysis effect of SnO2 and MnO2 can improve the flame retardancy of epoxy resin.
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