Synthesis, Thermal Stability and Catalytic Decomposition on AP of Mono-and Bis-ferrocenyl Triazole Compounds

In order to improve the combustion catalytic performance of ferrocenyl derivatives, nitrogen-rich high-energy groups were introduced to construct new ferrocenyl triazole compounds with good thermal stability and high combustion catalytic activity. The mononuclear and binuclear ferrocenyl triazole compounds were synthesized by reacting triazole compounds with ferrocenecarbonyl chloride and ferrocene formaldehyde, respectively. The compounds were characterized through 1H NMR, 13C NMR, single crystal X-ray diffraction, IR and UV-Vis. The oxidation resistance, thermal stability, and catalytic performance to AP were also determined. The results show that the potential differences of the synthesized compounds are greater than 80 mV, and they have certain oxidation resistance. The thermal decomposition temperatures of mononuclear ferrocenyl triazole compounds A1-A4 are about 200°C, and for binuclear ferrocenyl triazole compounds A5-A7 are 240-380 °C, so the thermal stability of the latter is higher than that of the former. These compounds have certain catalytic activity for AP, and all of them can cause the two exothermic peaks of AP earlier in different degrees. The low-temperature exothermic peaks of mononuclear and binuclear ferrocenyl triazole compounds are respectively advanced by 69-84 °C and 56-62 °C, and the high-temperature exothermic peaks are respectively advanced by 144-165 °C and 153-184°C . Therefore the catalytic performance of binuclear fer-rocenyl triazole compounds on AP are better than that of mononuclear ferrocenyl triazole compounds. © 2023 China Ordnance Industry Corporation. All rights reserved.