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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

  • Zhi Wang
  • , Yunhe Jin
  • , Wenquan Zhang*
  • , Binshen Wang
  • , Tianlin Liu
  • , Jiaheng Zhang
  • , Qinghua Zhang
  • *Corresponding author for this work
  • China Academy of Engineering Physics
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)6198-6204
Number of pages7
JournalDalton Transactions
Volume48
Issue number18
DOIs
StatePublished - 2019
Externally publishedYes

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