期刊
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷 134, 期 2, 页码 1071-1082出版社
SPRINGER
DOI: 10.1007/s10973-018-7331-7
关键词
Layered double hydroxide; Silicon dioxide; Ethylene-vinyl acetate; Flame retardant; Thermal degradation
资金
- National Natural Science Foundation of China [51372129, 51572138]
- Project of People's Livelihood Science and Technology of Qingdao City [16-6-2-54-nsh]
Layered double hydroxides-silicon dioxide hybrids (LDH-Si) were in situ synthesized by a co-precipitation method. Flame-retardant, smoke suppression and thermal degradation properties of the LDH-Si in ethylene-vinyl acetate (EVA) composites were studied using cone calorimeter test (CCT), limiting oxygen index (LOI), smoke density test (SDT), and thermogravimetry-Fourier transform infrared spectrometry. The CCT results indicated that the peak heat release rate and peak smoke production rate of the EVA/LDH-Si composite with 2.5mass% SiO2 were decreased by 28.5 and 21.9% compared to EVA/LDH composite, respectively. The LOI results showed that a suitable addition of SiO2 can significantly enhance the LOI values of the EVA composites. It was obtained from SDT that SiO2 could help smoke suppression. The EVA/LDH-Si composites possessed a higher thermal stability than the EVA/LDH composites at high temperatures.
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