Synthesis and Improved Properties of Hypergolic Boronium-Based Ionic Liquids

A series of asymmetric monoimidazolium dihydroboronium-based ionic liquids （ILs） were synthesized from amine-boranes. All the resulting ILs were fully characterized by 1H and 13C NMR, IR spectroscopy, elemental analysis or high resolution mass spectrum. Compared with the symmetric bisimidazolium dih...

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Published inChinese journal of chemistry Vol. 34; no. 7; pp. 709 - 714
Main Authors Li, Xingye, Lu, Huijie, Wang, Qi, Huang, Jinglun, Nie, Fude, Li, Haibo, Chen, Fu-Xue
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.07.2016
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
Subjects
boranes
hypergolic
ignition delay times
ionic liquids
Ions
Liquids
propellants
Solvents
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Summary:A series of asymmetric monoimidazolium dihydroboronium-based ionic liquids （ILs） were synthesized from amine-boranes. All the resulting ILs were fully characterized by 1H and 13C NMR, IR spectroscopy, elemental analysis or high resolution mass spectrum. Compared with the symmetric bisimidazolium dihydroboronium-based ILs, these new ILs exhibited improved properties with shorter ignition delay times （IDs）, higher densities, and lower phase transition temperature showing the promising application potential as green propellants. A series of asymmetric monoimidazolium dihydroboronium-based ionic liquids （ILs） were synthesized from amine-boranes. All the resulting ILs were fully characterized by 1H and 13C NMR, IR spectroscopy, elemental anal- ysis or high resolution mass spectrum. Compared with the symmetric bisimidazolium dihydroboronium-based ILs, these new ILs exhibited improved properties with shorter ignition delay times （IDs）, higher densities, and lower phase transition temperature showing the promising application potential as green propellants.
Bibliography:31-1547/O6
A series of asymmetric monoimidazolium dihydroboronium-based ionic liquids （ILs） were synthesized from amine-boranes. All the resulting ILs were fully characterized by 1H and 13C NMR, IR spectroscopy, elemental analysis or high resolution mass spectrum. Compared with the symmetric bisimidazolium dihydroboronium-based ILs, these new ILs exhibited improved properties with shorter ignition delay times （IDs）, higher densities, and lower phase transition temperature showing the promising application potential as green propellants. A series of asymmetric monoimidazolium dihydroboronium-based ionic liquids （ILs） were synthesized from amine-boranes. All the resulting ILs were fully characterized by 1H and 13C NMR, IR spectroscopy, elemental anal- ysis or high resolution mass spectrum. Compared with the symmetric bisimidazolium dihydroboronium-based ILs, these new ILs exhibited improved properties with shorter ignition delay times （IDs）, higher densities, and lower phase transition temperature showing the promising application potential as green propellants.
ionic liquids, boranes, propellants, hypergolic, ignition delay times
Xingye Li, Huijie Lu, Qi Wang, Jinglun Huang, Fude Nie, Haibo Li, and Fu-Xue Chen（ a School of Chemical Engineering ＆ the Environment, Beijing Institute of Technology, Beijing 100081, China b Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan 621050, China）
istex:5085571093EC73683631336146E12E79148F5195
ArticleID:CJOC201600048
the National Natural Science Foundation of China - No. 21372027 and 21172203
ark:/67375/WNG-TG6H4F6T-1
ISSN:1001-604X
1614-7065
DOI:10.1002/cjoc.201600048