Amino-nitramino functionalized triazolotriazines: a good balance between high energy and low sensitivity.
Amino-nitramino functionalized triazolotriazines: a good balance between high energy and low sensitivity.
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DOI：
10.1039/c8dt03126f
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发表时间：
2018-10
影响因子：
4
通讯作者：
Jinchao Ma;G. Cheng;X. Ju;Zhen-xin Yi;Shun-guan Zhu;Zaichao Zhang;Hongwei Yang
中科院分区：
文献类型：
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作者：
Jinchao Ma;G. Cheng;X. Ju;Zhen-xin Yi;Shun-guan Zhu;Zaichao Zhang;Hongwei Yang
用一种简单有效的方法合成了一系列稠合三唑并三嗪化合物2，5-二硝酰胺-7-氨基-[1，2，4]三唑并[1，5-a][1，3，5]三嗪（2）及其含能盐（4-9，11-13），通过用100%硝酸硝化2，5，7-三胺[1，2，4]三唑并[1，5-a][1，3，5]三嗪（1），然后与相应的碱反应来制备。对所有新化合物进行了全面表征。2和4的结构通过单晶X射线衍射进一步证实。基于测量的密度和计算的生成热（高斯09），爆轰压力和速度进行了评估EXPLO 5，落在21.5-34.2 GPa和7823-9313 m s-1，分别。值得注意的是，冲击和摩擦试验表明，这些化合物是非常不敏感的（IS > 40 J; FS > 360 N）。此外，具有高分解温度（5：194 °C; 6：199 °C）、优异爆轰性能（vD = 9313，9088 m s-1; P = 33.9，34.1 GPa）以及很少低感度（IS > 40 J; FS > 360 N）的两个代表性化合物5和6是作为高能和钝感炸药的有希望的候选者。
Using a simple and efficient approach, a series of fused triazolo-triazine compounds, namely, 2,5-dinitramide-7-amino-[1,2,4]triazolo[1,5-a][1,3,5]triazine (2) and its energetic salts (4-9, 11-13), were prepared by nitration of 2,5,7-triamine [1,2,4]triazolo[1,5-a][1,3,5]triazine (1) with 100% nitric acid, followed by reacting with the corresponding bases. All new compounds were comprehensively characterized. Structures of 2 and 4 were further confirmed by single crystal X-ray diffraction. Based on the measured densities and calculated heats of formation (Gaussian 09), detonation pressures and velocities were evaluated by EXPLO5, falling in the range of 21.5-34.2 GPa and 7823-9313 m s-1, respectively. Notably, impact and friction tests show that these compounds are very insensitive (IS > 40 J; FS > 360 N). Moreover, two representative compounds 5 and 6 with high decomposition temperature (5: 194 °C; 6: 199 °C), excellent detonation properties (vD = 9313, 9088 m s-1; P = 33.9, 34.1 GPa) as well as rarely low sensitivities (IS > 40 J; FS > 360 N) are promising candidates as high-energy and insensitive explosives.