Citation: Li Xingye, Nan Jiayu, Lu Tian, Huo Hongyu, Zhang Yanqiang, Li Haibo, Nie Fude, Yin Hongquan, Chen Fu-Xue. Exploring BH₂CN-based hydrophobic hypergolic fuels and effective fuel "additives": Imidazolylidene cyanoborane complexes[J]. Chinese Chemical Letters, ;2018, 29(6): 939-941. doi: 10.1016/j.cclet.2017.09.036 shu

Exploring BH₂CN-based hydrophobic hypergolic fuels and effective fuel "additives": Imidazolylidene cyanoborane complexes

Li Xingye ^a,1 ,
Nan Jiayu ^a,1 ,
Lu Tian ^a ,
Huo Hongyu ^a ,
Zhang Yanqiang ^b ,
Li Haibo ^c ,
Nie Fude ^c ,
Yin Hongquan ^a ,
Chen Fu-Xue ^a,,

a.
School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
b.
Division of Ionic Liquids and Green Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
c.
Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621050, China

Corresponding author: Chen Fu-Xue, fuxue.chen@bit.edu.cn

Received Date: 3 July 2017
Revised Date: 7 August 2017
Accepted Date: 13 September 2017
Available Online: 18 June 2018

Figures(3)

Two hydrophobic imidazolylidene-cyanoborane complexes were prepared by the introduction of {BH₂CN} into the molecular formula via treatment of imidazolium iodide and NaBH₃CN avoiding literature's tedious and hazardous procedures. These two complexes were fully characterized using IR spectroscopy, ¹H NMR and ¹³C NMR spectroscopy and high-resolution mass spectrometer. The X-Ray structure of NHC-1 has been determined. NHC-2 was proved to be hypergolic with WFNA and displayed the attractive properties such as water immiscibility, wide liquid range (T_g= -22 ℃), short ignition delay time (13 ms), high density (0.98 g/cm³), good density impulse (ρI_sp, 347 s g cm³), showing the promising application potential as a fuel and an efficient fuel additive.
- Bipropellants,
- Imidazolylidene cyanoboranes,
- Hypergolic fuels,
- Ionic liquids,
- Hydrophobic
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