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Stability, acidity and interaction properties of [Bmim][SbF6] coupled with concentrated sulfuric acid
Zhang, Honghua1,2; Liu, Ruixia2; Zhang, Ruirui2; Huo, Feng2; Yang, Zhiqiang2; He, Bin2; Zhang, Suojiang2; Wang, Yanji1
2017-09-01
发表期刊SCIENCE CHINA-CHEMISTRY
ISSN1674-7291
卷号60期号:9页码:1243-1249
摘要

Ionic liquid coupled with strong acid systems presents considerable promise in some catalytic fields. In the present work, the multiple complex systems composed by 98 wt% concentrated sulfuric acid and [Bmim][SbF6] were investigated in the terms of stability, acidity and interaction properties. It was found that acidolysis of [Bmim][SbF6] occurred in the 98 wt% concentrated sulfuric acid accompanied by HF releasing and SbF (6) (-) degrading to [SbF6-y (HSO4) (y) ](-). The species after acidolysis in the multiple complex systems were checked and confirmed by electrospray ionization mass spectrometry (ESI-MS), Fourier transform infrared spectroscopy (FT-IR), H-1 NMR and F-19 NMR. Acidity increased slightly with less than 1 wt% [Bmim][SbF6] addition, while decreased with more proportion, which was determined based on the Hammett acidity functions H-0, using C-13 NMR. The strong hydrogen bond S-O-H center dot center dot center dot F of interaction among the multiple complex systems was confirmed by molecular dynamic simulation.

关键词Sulfuric Acid Ionic Liquid The Multiple Complex Systems Acidolysis Hydrogen Bond
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s11426-017-9022-0
收录类别SCI
语种英语
关键词[WOS]IONIC LIQUID CATALYSTS ; ISOBUTANE ALKYLATION ; IMIDAZOLIUM ; DIFFUSIVITY
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者One Hundred Talent Program of CAS ; National Natural Science Foundation of China Petroleum & Chemical Corporation Joint Fund(U1662129) ; Key Program of National Natural Science Foundation of China(91434203) ; Key Research Program of Frontier Sciences, CAS(QYZDY-SSW-JSC011) ; State Key Laboratory of Multiphase Complex Systems, IPE, CAS(MPCS-2015-A-05)
WOS记录号WOS:000409946000015
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23201
专题多相复杂系统国家重点实验室
作者单位1.Hebei Univ Technol, Sch Chem Engn, Tianjin 300130, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Beijing Key Lab Ion Liq, Beijing 100190, Peoples R China
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GB/T 7714
Zhang, Honghua,Liu, Ruixia,Zhang, Ruirui,et al. Stability, acidity and interaction properties of [Bmim][SbF6] coupled with concentrated sulfuric acid[J]. SCIENCE CHINA-CHEMISTRY,2017,60(9):1243-1249.
APA Zhang, Honghua.,Liu, Ruixia.,Zhang, Ruirui.,Huo, Feng.,Yang, Zhiqiang.,...&Wang, Yanji.(2017).Stability, acidity and interaction properties of [Bmim][SbF6] coupled with concentrated sulfuric acid.SCIENCE CHINA-CHEMISTRY,60(9),1243-1249.
MLA Zhang, Honghua,et al."Stability, acidity and interaction properties of [Bmim][SbF6] coupled with concentrated sulfuric acid".SCIENCE CHINA-CHEMISTRY 60.9(2017):1243-1249.
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