Synthesis and Properties of Lead-Free Primary Explosive: Potassium 5-(2,2-Diamino-1-nitrovinyl)tetrazolate,Propellants, Explosives, Pyrotechnics

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Synthesis and Properties of Lead-Free Primary Explosive: Potassium 5-(2,2-Diamino-1-nitrovinyl)tetrazolate
Propellants, Explosives, Pyrotechnics ( IF 1.7 ) Pub Date : 2021-05-14 , DOI: 10.1002/prep.202100079
Zhaoyang Yin ₁ , Wei Huang ₁ , Yongxing Tang ₁

Affiliation

The search for lead-free, environmentally friendly explosives has been a highly challenging task in the field of energetic materials. Herein, an energetic salt, potassium 5-(2,2-diamino-1-nitrovinyl)tetrazolate (2) was prepared by the combination of tetrazole containing energetic anion and potassium cation with an outstanding initiating performance. It was fully characterized by IR spectrum, NMR spectrum, and elemental analysis. The structure was further determined by single-crystal X-ray diffraction analysis. It exhibited high density, high heat of formation, and excellent detonation performance; In addition, the highly thermal decomposition temperature and acceptable mechanical sensitivities guaranteed its application as a next-generation primary explosive.

中文翻译：

无铅初级炸药：5-(2,2-二氨基-1-硝基乙烯基)四唑酸钾的合成与性能

寻找无铅、环保的炸药一直是含能材料领域极具挑战性的任务。在此，通过含能阴离子的四唑与钾阳离子的结合，制备了具有优异引发性能的5-(2,2-二氨基-1-硝基乙烯基)四唑酸钾( 2 )的含能盐。通过红外光谱、核磁共振光谱和元素分析对其进行了充分表征。通过单晶X射线衍射分析进一步确定了结构。它具有高密度、高生成热和优良的爆轰性能；此外，高热分解温度和可接受的机械敏感性保证了其作为下一代初级炸药的应用。

更新日期：2021-07-02

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