Thermal decomposition kinetics of 1-methyl-3,4,5-trinitropyrazole

被引：46
作者：
Ravi, P. [1 ]
Gore, Girish M. [2 ]
Sikder, Arun K. [2 ]
Tewari, Surya P. [1 ]
机构：
[1] Univ Hyderabad, Adv Ctr Res High Energy Mat, Hyderabad 500046, Andhra Pradesh, India
[2] High Energy Mat Res Lab, Pune 411021, Maharashtra, India
来源：
THERMOCHIMICA ACTA | 2012年 / 528卷
关键词：
Isoconversional methods; Nitropyrazole; Kinetics; Mechanism; Decomposition; Activation energy; FLASH VACUUM PYROLYSIS; PYRAZOLES; DERIVATIVES; TETRAZOLE;
D O I：
10.1016/j.tca.2011.11.001
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermal decomposition of 1-methyl-3,4,5-trinitropyrazole (MTNP) has been investigated using TG-DTA technique under nitrogen atmosphere. The compound showed good thermal stability with exothermic decomposition peak at 248 degrees C on DTA. Kinetic parameters were calculated from the DTA peak temperatures at different heating rates. The activation energy required for the thermal decomposition of MTNP according to Flynn-Wall-Ozawa and Friedman methods have been found to be 67.48 and 56.80 kcal mol(-1) respectively. Due to the promising properties such as lower melting point, higher heat of formation, higher activation energy, higher density and better performance, MTNP may find use as melt cast and insensitive explosive applications in near future. (C) 2011 Elsevier B.V. All rights reserved.
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收藏
页码：53 / 57
页数：5
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