Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Preparation, Structural Investigation and Thermal Decomposition Behavior of Two High-Nitrogen Energetic Materials: ZTO·2H2O and ZTO(phen)·H2O

  • Ma, Cong (Department of Chemical Engineering, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University) ;
  • Huang, Jie (Department of Chemical Engineering, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University) ;
  • Zhong, Yi Tang (Department of Chemical Engineering, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University) ;
  • Xu, Kang Zhen (Department of Chemical Engineering, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University) ;
  • Song, Ji Rong (Conservation Technology Department, the Palace Museum) ;
  • Zhang, Zhao (Department of Chemical Engineering, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University)
  • Received : 2013.04.01
  • Accepted : 2013.04.16
  • Published : 2013.07.20
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Abstract

Two new high-nitrogen energetic compounds $ZTO{\cdot}2H_2O$ and $ZTO(phen){\cdot}H_2O$ have been synthesized (where ZTO = 4,4-azo-1,2,4-triazol-5-one and phen = 1,10-phenanthroline). The crystal structure, elemental analysis and IR spectroscopy are presented. Compound 1 $ZTO{\cdot}2H_2O$ crystallizes in the orthorhombic crystal system with space group Pnna and compound 2 $ZTO(phen){\cdot}H_2O$ in the triclinic crystal system with space group P-1. In $ZTO(phen){\cdot}H_2O$, there is intermolecular hydrogen bonds between the -NH group of ZTO molecule (as donor) and N atom of phen molecule (as acceptor). Thermal decomposition process is studied by applying the differential scanning calorimetry (DSC) and thermo thermogravimetric differential analysis (TG-DTG). The DSC curve shows that there is one exothermic peak in $ZTO{\cdot}2H_2O$ and $ZTO(phen){\cdot}H_2O$, respectively. The critical temperature of thermal explosion ($T_b$) for $ZTO{\cdot}2H_2O$ and $ZTO(phen){\cdot}H_2O$ is $282.21^{\circ}C$ and $195.94^{\circ}C$, respectively.

Keywords

References

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