期刊
HIGH PERFORMANCE POLYMERS
卷 27, 期 2, 页码 233-246出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954008314544341
关键词
Smoke suppression; Fe-OMT; flame retardant; epoxy
资金
- National Natural Science Foundation of China [51106078, 51206084]
- Outstanding Young Scientist Research Award Fund from Shandong Province [BS2011CL018]
In this article, the influence of organic-modified montmorillonite (Fe-OMT) on smoke-suppression properties and combustion behavior of flame-retardant epoxy (FREP) was investigated intensively. A series of intumescent FREPs (IFREPs) with different content of Fe-OMT were prepared based on EP resin as matrix resin, ammonium polyphosphate and pentaerythrite as intumescent flame retardants, and Fe-OMT as smoke suppressant and flame-retardant synergism. Then, the smoke-suppression properties of Fe-OMT on IFREP composites were evaluated using cone calorimeter test, smoke density test, and scanning electron microscopy analysis. The influence of Fe-OMT on thermal degradation of IFREP composites were studied by thermogravimetric analysis-infrared spectrometry in a flowing nitrogen atmosphere. The pyrolysis kinetics of the composites was investigated using Kissinger and Flynn-Wall-Ozawa methods. The results showed that the heat release rate and smoke production rate of flame-retardant samples decrease greatly with the increasing Fe-OMT content. Fe-OMT can enhance char residues of flame-retardant samples and decrease the smoke production rate.
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