Acta Phys. -Chim. Sin. ›› 2012, Vol. 28 ›› Issue (09): 2202-2208.doi: 10.3866/PKU.WHXB201206292

• PHYSICAL CHEMISTRY OF MATERIALS • Previous Articles     Next Articles

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

AN Ting1, CAO Hui-Qun2, ZHAO Feng-Qi1, REN Xiao-Ning1, TIAN De-Yu2, XU Si-Yu1, GAO Hong-Xu1, TAN Yi1, XIAO Li-Bai1   

  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:2012-03-09 Revised:2012-06-29 Published:2012-08-02
  • Contact: CAO Hui-Qun
  • Supported by:

    The project was supported by the National Natural Science Foundation of China (21173163) and Science and Technology Foundation of Science and Technology on Combustion and Explosion Laboratory, China (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.

Key words: Carbon nanotube, Nanocomposite, Cyclotrimethylene trinitramine, Silver mirror reaction, Hydrothermal method, Thermal decomposition