Thermal Decomposition Property of BNCP
2008
The thermal decomposition property of bis-(5-nitro-2H-tetrazolato-N2)tetraamine cobalt(Ⅲ) perchorate(BNCP) was investigated by DSC and compared with those of BTF and HNS-Ⅳ.The kinetic parameters of thermal decomposition of BNCP,BTF and HNS-Ⅳ were calculated by Kissinger′s method and Ozawa′s method.At 10℃/min BNCP has an exothermic peak on the DSC curve at 289.6℃,which is 25.4℃ larger than that of BTF,BNCP has the largest decomposition enthalpy compared with BNCP and BTF.BNCP is thermally stable under 100℃,which is confirmed by VST and TG. The apparent activation energy of thermal decomposition of BNCP by Kissinger′s method is 178.3kJ/mol,which is 46.4kJ/mol less than that of BTF and 43.1kJ/mol less than that of HNS-Ⅳ,and by Ozawa′s method is 187.5kJ/mol,being less about 33.8kJ/mol and 32.8kJ/mol than those of BTF and HNS-Ⅳ.
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