引用本文:
孙远华, 张同来, 张建国, 杨利, 乔小晶. 高氯酸碳酰肼钴、高氯酸碳酰肼镍快速热分解反应动力学[J]. 物理化学学报,
2006, 22(06): 649-652.
doi:
10.3866/PKU.WHXB20060601
Citation: SUN Yuan-Hua, ZHANG Tong-Lai, ZHANG Jian-Guo, YANG Li, QIAO Xiao-Jing. Kinetics of Flash Pyrolysis of [Co(CHZ3](ClO42 and [Ni(CHZ)3](ClO4)2[J]. Acta Physico-Chimica Sinica, 2006, 22(06): 649-652. doi: 10.3866/PKU.WHXB20060601
Citation: SUN Yuan-Hua, ZHANG Tong-Lai, ZHANG Jian-Guo, YANG Li, QIAO Xiao-Jing. Kinetics of Flash Pyrolysis of [Co(CHZ3](ClO42 and [Ni(CHZ)3](ClO4)2[J]. Acta Physico-Chimica Sinica, 2006, 22(06): 649-652. doi: 10.3866/PKU.WHXB20060601
高氯酸碳酰肼钴、高氯酸碳酰肼镍快速热分解反应动力学
摘要:
利用温度跃升傅立叶变换红外原位分析技术(T-jump/FTIR)对高氯酸碳酰肼钴和高氯酸碳酰肼镍的快速热分解反应进行了研究. 研究表明, 目标化合物快速热分解逸出的主要气相产物是CO2, H2O, HCN, HNCO和HONO. 借助快速升温过程中Pt金属丝的控制电压变化曲线得到剧烈放热峰的诱导出现时间tx, 利用tx值计算了两种目标化合物的快速热分解动力学参数. 在0.1 MPa氩气气氛, 613～653 K的实验温度范围内, 高氯酸碳酰肼钴的活化能Ea=39.42 kJ•mol−1, lnA=5.93; 在0.1 MPa氩气气氛, 618～678 K的实验温度范围内, 高氯酸碳酰肼镍的活化能Ea=60.44 kJ•mol−1, lnA=9.40.
English
Kinetics of Flash Pyrolysis of [Co(CHZ3](ClO42 and [Ni(CHZ)3](ClO4)2
Abstract:
T-jump/FTIR spectroscopy was used to study thermal decomposition of energetic material [Co(CHZ)3](ClO4)2 and [Ni(CHZ)3](ClO4)2 in thin film with rapid heating rate. During the exothermic decomposition process, the major gas products were identified as CO2, H2O, HCN, HNCO, and HONO. Time-to-exotherm (tx) kinetics method derived from the control voltage trace of T-jump/FTIR spectroscopy was introduced to resolve kinetics of the exothermic decomposition reaction of flash pyrolysis of the title compounds. In the temperature range of 613～653 K under 0.1 MPa Ar atmosphere the Arrhenius activation energy of the exothermic decomposition reaction of [Co(CHZ)3](ClO4)2 was determined to be Ea=39.42 kJ•mol−1 and lnA=5.93. The Arrhenius activation energy of [Ni(CHZ)3](ClO4)2 was determined to be Ea=60.44 kJ•mol−1 and lnA=9.40 in the temperature range of 618~678 K under 0.1 MPa Ar atmosphere.
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