期刊
PLASTICS RUBBER AND COMPOSITES
卷 43, 期 2, 页码 46-53出版社
TAYLOR & FRANCIS LTD
DOI: 10.1179/1743289813Y.0000000072
关键词
Flame retardant; Synthesis; Layered double hydroxide; Red mud; Graphite powder
资金
- National Natural Science Foundation of China [51372129]
- Projects of Science and Technology from Shandong Province [2013GSF11608]
Red mud (RM) is a large quantity waste product in the production of alumina. There is still no efficient way to deal with it in the world. Using RM as a raw material to synthesise Mg-Al-Fe ternary layered double hydroxide (LDH) is a feasible way to solve this global problem. The synthesised LDH was characterised by X-ray diffraction. The flame retardant and thermal degradation properties of ethylene-vinyl acetate/layered double hydroxide/graphite powder (EVA/LDH/GP) composites have been studied using cone calorimeter test (CCT), scanning electron microscopy (SEM), and thermogravimetry-Fourier transform infrared spectrometry (TG-IR). The CCT data indicate that heat release rates of EVA/LDH/GP composites decrease greatly in comparison with those of EVA, EVA/RM and EVA/LDH composites. The morphological structures of charred residues observed by SEM give positive evidence that the compact char residue layers formed from EVA/LDH/GP composites. The TG-IR is used to characterise volatilised products formed in the thermal degradation process.
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