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Citation: HONG Wei-Liang, DIAO Li-Hui, LIU Jian-Hong, ZHAO Feng-Qi, TIAN De-Yu, WANG Fang. Preparation of SnO₂-CuO Nanoparticles and Their Catalytic Activity in Thermal Decomposition of Cyclotrimethylene Trinitramine[J]. Chinese Journal of Applied Chemistry, ;2004, 21(8): 775-778. shu

Preparation of SnO₂-CuO Nanoparticles and Their Catalytic Activity in Thermal Decomposition of Cyclotrimethylene Trinitramine

1.
a Department of Chemistry and Biology, Normal College, Shenzhen University, Shenzhen 518060;
2.
b Xi'an Modern Chemistry Research Institute, Xi'an;
3.
c University of National Defence Technology, Changsha

Corresponding author: HONG Wei-Liang,
Received Date: 1 December 2003
Available Online: 24 June 2004
Fund Project: 总装备部国防科技重点实验室基金资助项目(51455030303QT5101) (51455030303QT5101)

SnO₂-CuO composite nanoparticles were prepared by co-precipitation method. The particle size, structure, morphology and composition of the product were characterized by TG, XRD, TEM and EDS. The cataly-tic activity of the product in the thermal decomposition of cyclotrimethylene trinitramine(RDX) was determined. The average particle size of the product were in the range of 4 to 10 nm as the calcination temperature of the precursors was from 400℃ to 600℃. The SnO₂-CuO nanoparticles exhibit high catalytic activity in the thermal decomposition of RDX. The peak temperature of thermal decomposition of RDX decreased by 9℃, and the decomposition enthalpy △H of RDX increased by 422 J/g, in the presence of SnO₂-CuO composite nanoparticles.
- SnO₂-CuO,
- composite nanoparticle,
- co-precipitation,
- cyclotrimethylene trinitramine,
- thermal decomposition
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Preparation of SnO₂-CuO Nanoparticles and Their Catalytic Activity in Thermal Decomposition of Cyclotrimethylene Trinitramine