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بیست و نهمین کنفرانس شیمی آلی ایران
Synthesis, thermokinetics, and detonation performance of 4- amino-1,2,4-triazolium nitrate (4-ATN) energetic ionic liquid
نویسندگان :
Sajjad Damiri ( Department of Applied Chemistry, Malek-Ashtar University of Technology, Shahin-Shahr, Esfahan, Iran ) , Leila Makvandi ( Department of Applied Chemistry, Malek-Ashtar University of Technology, Shahin-Shahr, Esfahan, Iran ) , Mohammad Hossein Keshavarz ( Department of Applied Chemistry, Malek-Ashtar University of Technology, Shahin-Shahr, Esfahan, Iran )
کلید واژه ها :
4-ATN،energetic ionic liquid،thermokinetics،detonation performance
چکیده مقاله :
The synthesis of energetic ion liquids (EILs) with favourable physical properties as well as detonation and combustion performance is attractive for military applications. They may provide low sensitivity without adverse effects of the overall performance. Since energetic ionic liquids have a low melting point, they can be used as melt-cast explosive charges, the same as 2,4,6-trinitrotoluene (TNT), in different molds. Among a different kind of EILs, 4- amino-1,2,4-triazolium nitrate (4-ATN) is an energetic and non-sensitive ionic liquid, being a good candidate for the replacement of TNT [1-2]. In this work, synthesis of 4-ATN with concentrated nitric acid was performed and various spectroscopic methods such as Fourier transform infrared spectroscopy (FT-IR), hydrogen nuclear magnetic resonance spectroscopy (1H-NMR), and elemental analysis were used to identify and confirm the quality of the product. Also, thermal stability with differential thermo-gravimetric method and detonation performance of 4-ATN were assessed and compared with TNT (see Scheme). Here, four model-free techniques including Ozawa, Kissinger, OFW, and KAS methods were used to calculate thermokinetic properties of 4-ATN. The results showed that calculated activation energies are in the range of 78.7-87.7 kJ.mol-1, and the activation energies, detonation pressure, velocity and thermal stability of 4-ATN are more than that of TNT.
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