Synthesis and Improved Properties of Hypergolic Boronium-Based Ionic Liquids  

作　　者：Xingye Li Huijie Lu Qi Wang Jinglun Huang Fude Nie Haibo Li Fu-Xue Chen 

机构地区：[1]School of Chemical Engineering & the Environment, Beijing Institute of Technology, Beijing 100081, China [2]Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan 621050, China

出　　处：《Chinese Journal of Chemistry》2016年第7期709-714,共6页中国化学（英文版）

基　　金：the financial support from the Na- tional Natural Science Foundation of China （Nos. 21372027 and 21172203） and Prof. Zhang, Y. for the calculation of specific impulse （Explore 5.0 （6.02 version））.

摘　　要：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.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.

关 键 词：ionic liquids BORANES propellants hypergolic ignition delay times 

分 类 号：O[理学]