Citation: AN Ting, CAO Hui-Qun, ZHAO Feng-Qi, REN Xiao-Ning, TIAN De-Yu, XU Si-Yu, GAO Hong-Xu, TAN Yi, XIAO Li-Bai. Preparation and Characterization of Ag/CNTs Nanocomposite and Its Effect on Thermal Decomposition of Cyclotrimethylene Trinitramine[J]. Acta Physico-Chimica Sinica doi: 10.3866/PKU.WHXB201206292 shu

Preparation and Characterization of Ag/CNTs Nanocomposite and Its Effect on Thermal Decomposition of Cyclotrimethylene Trinitramine

AN Ting ¹ ,
CAO Hui-Qun ^2, ,
ZHAO Feng-Qi ¹ ,
REN Xiao-Ning ¹ ,
TIAN De-Yu ² ,
XU Si-Yu ¹ ,
GAO Hong-Xu ¹ ,
TAN Yi ¹ ,
XIAO Li-Bai ¹

1.
1. Science and Technology on Combustion and Explosion Laboratory, Xi?an Modern Chemistry Research Institute, Xi?an 710065, P. R. China;
2. Shenzhen Key Laboratory of New Lithium-ion Battery and Mesoporous Materials, College of Chemistry and Chemical Engineering, Shenzhen 518060, Guangdong Province, P. R. China

Received Date: 9 March 2012
Available Online: 29 June 2012
Fund Project: 国家自然科学基金(21173163) (21173163)燃烧与爆炸技术重点实验室基金(9140C3501041001)资助项目 (9140C3501041001)

Two kinds of Ag/CNTs (carbon nanotubes) nanocomposite materials were successfully prepared by silver mirror reaction and hydrothermal methods. Their physical phase, composition, morphology, and structure were characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscope-energy dispersive spectrometry (SEM-EDS). Catalytic effects of the Ag/CNTs nanocomposite on the thermal decomposition of cyclotrimethylene trinitramine (RDX) were investigated by differential scanning calorimetry (DSC). Our results indicated that the irregularly globose nano-Ag particles attached to the surface of the nano CNTs evenly. The nanocomposite product prepared hydrothermally had the highest loading of nano-Ag particles and largest Ag particle size. Both Ag/CNTs nanocomposites influenced the thermal decomposition of RDX, changing the primary decomposition of the liquid phase to a secondary gas phase reaction and resulting in obvious change in the shape of the main decomposition peak. The catalytic effect of Ag/CNTs nanocomposite on the thermal decomposition of RDX was mainly exhibited at lower decomposition temperature.
- Carbon nanotube,
- Nanocomposite,
- Cyclotrimethylene trinitramine,
- Silver mirror reaction,
- Hydrothermal method,
- Thermal decomposition
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