Insensitive energetic 5-nitroaminotetrazolate ionic liquids
作者： Yi-Fei Gao , Lei Zhang , Ling He , Ying Zhao , Ning Tang
DOI: 10.1039/C5RA07415K
关键词:
摘要: Five energetic ionic liquids of 5-nitroaminotetrazolate anion (NAT) combined with 1,3-dimethylimidazolium (1), 1-ethyl-3-methylimidazolium (2), 1-butyl-3-methylimidazolium (3), 1-hexyl-3-methylimidazolium (4), and 1-methyl-3-octylimidazolium (5) cations were synthesized in high yields fully characterized by IR, NMR elemental analysis. Colorless block crystals 1 isolated methanol/ethanol crystallized the orthorhombic system Fdd2(43) (a = 49.337(3) A, b 20.9073(12) c 3.6993(2) V 3815.84(38) A3, Z 16). The 1–5 are thermally stable at temperatures higher than 200 °C. Among them, 2–5 found to be room temperature liquids. heats formation obtained both experimental theoretical methods all positive. possesses highest value 194.6 kJ mol−1 0.86 g−1. These novel NAT contain only C, H, N O elements. CHNO type insensitive towards impact (>40 J) friction (>360 N). They showed good combustion characteristics after being ignited a flame. interest as liquid materials modestly energy, thermal stability, insensitivity friction, well environmentally friendly decomposition gases.
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