CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Bicyclic ammonium ionic liquids as dense hypergolic fuels
Yuan, Yutao1,2; Zhang, Yanqiang1; Liu, Long1; Jiao, Nianming1,2; Dong, Kun1; Zhang, Suojiang1
2017
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume7Issue:35Pages:21592-21599
Abstract

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.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c7ra03090h
Indexed BySCI
Language英语
WOS KeywordPerformance ; Ignition ; Fluids ; Cation ; Salts
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(21376252 ; National Key Projects for Fundamental Research and Development of China(2016YFB0600903) ; 21576270 ; 21676281)
WOS IDWOS:000399810800029
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22811
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.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
Recommended Citation
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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