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Synthesis and hypergolic properties of flammable ionic liquids based on the cyano (1H-1,2,3-triazole-1-yl) dihydroborate anion

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Abstract

A series of hypergolic ionic liquids (HILs) based on the cyano (1H-1,2,3-triazole-1-yl) dihydroborate anion were synthesized by introducing the {BH2-CN} moiety into the 1,2,3-triazole anion. This introduction allowed us to improve the self-ignition property and decrease the viscosity of ionic fuels. The synthesized series of HILs exhibited wide liquid operating ranges (>220 °C), high densities (>1 g cm−3), low viscosities (as low as 22.48 cP), and ignition delay (ID) times as short as 5 ms by using white fuming nitric acid (WFNA) as the oxidizer. Furthermore, these HILs can be ignited upon contact with a 90 wt% H2O2 oxidizer in the presence of iodine.

Graphical abstract: Synthesis and hypergolic properties of flammable ionic liquids based on the cyano (1H-1,2,3-triazole-1-yl) dihydroborate anion

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Publication details

The article was received on 05 Mar 2019, accepted on 31 Mar 2019 and first published on 02 Apr 2019


Article type: Paper
DOI: 10.1039/C9DT00958B
Citation: Dalton Trans., 2019, Advance Article

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    Synthesis and hypergolic properties of flammable ionic liquids based on the cyano (1H-1,2,3-triazole-1-yl) dihydroborate anion

    Z. Wang, Y. Jin, W. Zhang, B. Wang, T. Liu, J. Zhang and Q. Zhang, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT00958B

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