Bicyclic ammonium ionic liquids as dense hypergolic fuels
Yuan, Yutao1,2; Zhang, Yanqiang1; Liu, Long1; Jiao, Nianming1,2; Dong, Kun1; Zhang, Suojiang1
2017
发表期刊RSC ADVANCES
ISSN2046-2069
卷号7期号:35页码:21592-21599
摘要

It is critical for hypergolic fuels to be dense so as to enhance the performance of propellants and improve the loading of rockets. Considering that dense elements and bicyclic rings contribute to high density, two series of ionic liquids were prepared with 1-aza-bicyclo[2.2.2]octane-/1,4-diazabicyclo[2.2.2]octane-based cations and the dicyanamide anion. Their key properties were measured or calculated as decomposition temperature (208-322 degrees C), density (1.06-1.31 g cm(-3)), specific impulse (260.5 to 266.2 s) and ignition delay time (14-1053 ms). Compared with 1-aza-bicyclo[2.2.2]octane-based ionic liquids, the corresponding 1,4-diazabicyclo[2.2.2]octane-based ionic liquids exhibit a lower decomposition temperature, higher density and bigger specific impulse. As expected, 1-methyl-1-azonia-bicyclo[2.2.2]octane and 1-(prop-2-ynyl)-4-aza-1-azonia-bicyclo[2.2.2]octane dicyanamide possess higher densities (1.20 and 1.19 g cm(-3)) than the corresponding pyrrolidinium and imidazolium-based isomers (1.05 and 1.07 g cm(-3)), besides hypergolicity with white fuming nitric acid.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c7ra03090h
收录类别SCI
语种英语
关键词[WOS]Performance ; Ignition ; Fluids ; Cation ; Salts
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Natural Science Foundation of China(21376252 ; National Key Projects for Fundamental Research and Development of China(2016YFB0600903) ; 21576270 ; 21676281)
WOS记录号WOS:000399810800029
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22811
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Div Ion Liquids & Green Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
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GB/T 7714
Yuan, Yutao,Zhang, Yanqiang,Liu, Long,et al. Bicyclic ammonium ionic liquids as dense hypergolic fuels[J]. RSC ADVANCES,2017,7(35):21592-21599.
APA Yuan, Yutao,Zhang, Yanqiang,Liu, Long,Jiao, Nianming,Dong, Kun,&Zhang, Suojiang.(2017).Bicyclic ammonium ionic liquids as dense hypergolic fuels.RSC ADVANCES,7(35),21592-21599.
MLA Yuan, Yutao,et al."Bicyclic ammonium ionic liquids as dense hypergolic fuels".RSC ADVANCES 7.35(2017):21592-21599.
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