Effects of a Spacer on the Phase Behavior of Gemini Surfactants in Ethanolammonium Nitrate
Li, QT (Li, Qintang); Yao, MH (Yao, Meihuan); Yue, X (Yue, Xiu); Chen, X (Chen, Xiao)
2017
发表期刊LANGMUIR
卷号33期号:17页码:4328-4336
摘要The aggregation behavior of quaternary ammonium gemini surfactants (12-s-12) in a protic ionic liquid, ethanolammonium nitrate (EOAN), was investigated by small-angle X-ray scattering, freezefracture transmission electron microscopy, polarized optical microscopy, and rheological measurements. The rarely reported nonaqueous two phases in the ionic liquid were observed at lower 12-s-12 concentrations. The upper phase was composed of micelles, whereas only the surfactant unimers or multimers were detected in the low phase. At higher 12-s-12 concentrations, different aggregates were formed. The lamellar phase was observed in the 12-2-12/EOAN system, whereas the normal hexagonal phases in 12-s-12/EOAN (s = 3, 4, 5, 6, 8) systems and the micellar phase in the 12-10-12/EOAN system were observed. Such a dramatic phase transition induced by the spacer chain length was due to the unique solvent characteristics of EOAN compared to those of water and its counterpart ethylammonium nitrate.
DOI10.1021/acs.langmuir.7b00927
收录类别SCI
WOS记录号WOS:000400723500026
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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.xjipc.cas.cn/handle/365002/4792
专题中国科学院特殊环境功能材料与器件重点试验室
作者单位1.Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Peoples R China
2.Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang 453007, Peoples R China
3.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
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Li, QT ,Yao, MH ,Yue, X ,et al. Effects of a Spacer on the Phase Behavior of Gemini Surfactants in Ethanolammonium Nitrate[J]. LANGMUIR,2017,33(17):4328-4336.
APA Li, QT ,Yao, MH ,Yue, X ,&Chen, X .(2017).Effects of a Spacer on the Phase Behavior of Gemini Surfactants in Ethanolammonium Nitrate.LANGMUIR,33(17),4328-4336.
MLA Li, QT ,et al."Effects of a Spacer on the Phase Behavior of Gemini Surfactants in Ethanolammonium Nitrate".LANGMUIR 33.17(2017):4328-4336.
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