2,5,7,9-四硝基-2,5,7,9-四氮杂双环4,3,0壬酮-8的放热分解反应动力学

摘要

在程序升温条件下,用DSC研究了2,5,7,9-四硝基-2,5,7,9-四氮杂双环[4,3,0]壬酮-8的放热分解反应动力学参数.表明该反应的微分形式的动力学模式函数、表观活化能(Ea)和指前因子(A)分别为3(1-α)[-ln(1-α)](2)/(3), 204.7 kJ/mol 和 1020.89 s-1.该化合物的热爆炸临界温度为188.81℃.反应的活化熵(ΔS≠)、活化焓(ΔH≠)和活化自由能(ΔG≠)分别为141.6 J/(mol*K), 200.9 kJ/mol 和136.8 kJ/mol.%The kinetic parameters of the exothermic decomposition reaction of the title compound in a temperature-programmed mode have been investigated by means of DSC. The kinetic model function in differential form, apparent activation energy (Ea) and pre-exponential factor (A) of this reaction are 3(1-α)[-ln(1-α)](2)/(3), 204.7 kJ/mol and 1020.89 s-1, respectively. The critical temperature of thermal explosion of the compound is 188.81 ℃. The values of ΔS≠, ΔH≠ and ΔG≠of this reaction are 141.6 J/(mol*K), 200.9 kJ/mol and 136.8 kJ/mol, respectively.