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Characterization, Thermolysis, and Energetic Properties of an MTNP/PETN Eutectic Prepared via the Solvent/Anti‐Solvent Method
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2020-12-01 , DOI: 10.1002/prep.202000196 Yong Kou 1 , Xiaolan Song 1 , Kaige Guo 1 , Zhipeng Cheng 2 , Yi Wang 3
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2020-12-01 , DOI: 10.1002/prep.202000196 Yong Kou 1 , Xiaolan Song 1 , Kaige Guo 1 , Zhipeng Cheng 2 , Yi Wang 3
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In this article, a eutectic mixture was prepared by mixing 1‐methyl‐3,4,5‐trinitropyrazole (MTNP) and pentaerythritol tetranitrate (PETN) by a new method. The T−X phase diagram and H−X phase diagram were obtained by means of DSC analysis, and then the ratio of the eutectic was obtained. All systems displayed simple eutectic behavior. Energy‐dispersive X‐ray spectroscopy (EDS), X‐ray diffraction (XRD), Fourier transform infrared (IR) spectroscopy, and X‐ray photoelectron spectroscopy (XPS) were performed to characterize the structure of the eutectic. Thermodynamic analysis and TG‐MS tests were carried out to explore the thermal decomposition of the eutectic. Then, the mechanical sensitivity and thermal sensitivity of the raw materials and the eutectic were tested, and the detonation performance was also calculated. The results show that the compatibility of the components of the eutectic is not perfect because of the intermolecular forces between the raw materials. Thermal the decomposition products are mainly H2, H2O, N2, CO, NO, N2O and CO2 and a small amount of CH4. The eutectic has the characteristics of high energy and insensitivity and is expected to replace TNT‐based molten cast explosives.
中文翻译：
通过溶剂/反溶剂方法制备的MTNP / PETN共晶的表征，热解和能量性质
在本文中，通过一种新方法将1-甲基-3,4,5-三硝基吡唑（MTNP）和季戊四醇四硝酸酯（PETN）混合来制备低共熔混合物。通过DSC分析获得T-X相图和H-X相图，然后获得共晶比。所有系统均表现出简单的共晶行为。进行了能量色散X射线光谱（EDS），X射线衍射（XRD），傅里叶变换红外（IR）光谱和X射线光电子能谱（XPS）来表征共晶结构。进行了热力学分析和TG-MS测试，以探索共晶的热分解。然后，测试了原材料和低共熔物的机械敏感性和热敏感性，并计算了爆轰性能。结果表明，由于原料之间的分子间作用力，共晶组分的相容性并不理想。热分解产物主要是H2，H 2 O，N 2，CO，NO，N 2 O和CO 2以及少量CH 4。共晶具有高能量和不敏感的特性，有望替代基于TNT的熔融铸造炸药。
更新日期：2021-02-03
中文翻译：
通过溶剂/反溶剂方法制备的MTNP / PETN共晶的表征，热解和能量性质
在本文中，通过一种新方法将1-甲基-3,4,5-三硝基吡唑（MTNP）和季戊四醇四硝酸酯（PETN）混合来制备低共熔混合物。通过DSC分析获得T-X相图和H-X相图，然后获得共晶比。所有系统均表现出简单的共晶行为。进行了能量色散X射线光谱（EDS），X射线衍射（XRD），傅里叶变换红外（IR）光谱和X射线光电子能谱（XPS）来表征共晶结构。进行了热力学分析和TG-MS测试，以探索共晶的热分解。然后，测试了原材料和低共熔物的机械敏感性和热敏感性，并计算了爆轰性能。结果表明，由于原料之间的分子间作用力，共晶组分的相容性并不理想。热分解产物主要是H2，H 2 O，N 2，CO，NO，N 2 O和CO 2以及少量CH 4。共晶具有高能量和不敏感的特性，有望替代基于TNT的熔融铸造炸药。
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