作者:Haifeng Huang、Zhiming Zhou、Jinhong Song、Lixuan Liang、Kai Wang、Dan Cao、Wenwen Sun、Xuemin Dong、Min Xue
DOI:10.1002/chem.201101411
日期:2011.11.25
Energetic salts based on dipicrylamine and its amino derivative were synthesized. All salts were fully characterized by multinuclear NMR spectroscopy (1H, 13C), vibrational spectroscopy (IR), and elemental analysis. Ethylenediammonium di‐DPA (DPA=dipicrylamine) and 1,3‐diaminoguanidinium DPA were further confirmed by single‐crystal X‐ray diffraction. These salts exhibit reasonable physical properties
合成了基于二吡啶胺及其氨基衍生物的高能盐。所有盐均通过多核NMR光谱(1 H,13 C),振动光谱(IR)和元素分析进行了全面表征。单晶X射线衍射进一步证实了乙二铵二-DPA(DPA = dipicrylamine)和1,3-二氨基胍鎓DPA。这些盐表现出合理的物理性质,例如高密度(1.71–1.81 g cm -3),良好的热稳定性(T d= 155–285°C),并且在水中的溶解度低。1-甲基-3,4,5-三氨基-1,2,4-三唑鎓DPA的撞击敏感性低于2,4,6-三硝基甲苯(TNT),对于其他一些高能盐,其撞击敏感性为与TNT相当。根据实验密度和使用高斯03程序套件进行的理论计算,所有盐的爆震压力(22.5–27.8 GPa)和速度(7226–7917 m s -1)均超过了常规TNT。通过发光细菌毒性测试测得的这些盐的毒性远低于TNT,并鉴定出两种熔点在70至100°C之间的二元共晶混合物。