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Co-operation between multidentate ligand and inorganic salts: preparation of solvent-free primary explosives based on 4-amino-1,2,5-oxadiazole-3-carbohydrazide
Chemical Engineering Journal ( IF 13.3 ) Pub Date : 2022-09-30 , DOI: 10.1016/j.cej.2022.139472
Tingwei Wang , Shu Bu , Kun Wang , Lu Zhang , Zhenxin Yi , Chao Zhang , Wenli Cao , Shunguan Zhu , Jianguo Zhang

Using the furazan skeleton and hydrazide group with coordination potentiality as targets, the ligand 4-Amino-1,2,5-oxadiazole-3-carbohydrazide (AOCA, 4) with multiple coordination sites was designed and synthesized. According to the different coordination abilities of Ag(I) and Cu(II), four kinds of ECPs were prepared by different crystallization methods, and their structures were confirmed by X-ray single-crystal diffraction, IR, and elemental analysis. In addition, the physicochemical properties test results show that the 1D structure ECPs-6 ([Ag(AOCA)ClO4]n) has the best performance (Tted = 255 °C, D = 7.6 km s−1,IS = 10 J, FS = 40 N). The test results of detonation performance show that ECPs-8 (Cu(AOCA)2(ClO4)2) with 0D structure is the best. In particular, only ECPs-6 and ECPs-8 can be directly detonated by laser, and the energy of the laser detonating for ECPs-8 is the smallest (P = 6 W, τ = 10 ms, E = 60 mJ). In addition, the interrelationship of “DSC-MS-DP-IM” was also explored.



中文翻译:

多齿配体与无机盐的合作:基于4-氨基-1,2,5-恶二唑-3-碳酰肼的无溶剂起爆药的制备

以呋喃骨架和具有配位潜力的酰肼基团为靶点,设计合成了具有多个配位点的配体4-氨基-1,2,5-恶二唑-3-碳酰肼(AOCA, 4 )。根据Ag(I)和Cu(II)配位能力的不同,采用不同的结晶方法制备了四种ECPs,并通过X射线单晶衍射、IR和元素分析证实了它们的结构。此外,理化性质测试结果表明,一维结构的ECPs-6([Ag(AOCA)ClO 4 ] n)性能最好(T ted  = 255 °C,D = 7.6 km s -1,IS = 10 J,FS = 40 N)。爆轰性能测试结果表明,0D结构的ECPs -8 (Cu(AOCA) 2 (ClO 4 ) 2 )效果最好。特别是只有ECPs-6ECPs-8可以被激光直接引爆,而ECPs-8的激光引爆能量最小(P = 6 W,τ = 10 ms,E = 60 mJ)。此外,还探讨了“DSC-MS-DP-IM”的相互关系。

更新日期:2022-10-04
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