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Aggregation behaviors of alkyl ether carboxylate surfactants in water
Yue, X (Yue, Xiu); Fan, XY (Fan, Xiaoyun); Li, QT (Li, Qintang); Chen, X (Chen, Xiao); Wang, CY (Wang, Chuanyi); Yue, X; Wang, CY
2017
发表期刊JOURNAL OF MOLECULAR LIQUIDS
卷号227期号:2页码:161-167
摘要Two fatty alcohol polyoxyethylene ether carboxylate surfactants (NEX-n) with different oxyethylene units have been employed to investigate the effect of headgroup on their aggregation behaviors in water. Surface tension and electrical conductivity measurements were conducted to characterize the surface activities and micelle formation in NEX-n/water systems. Different from nonionic surfactant systems, the critical micelle concentration of NEX-7 surfactant with more oxyethylene units is a little lower than that of NEX-4. The thermodynamic parameters obtained on surface tension measurements suggest a stronger hydrophobic interaction in NEX-7 aqueous solution, and disclose the driving forces for micelle formation. In addition, the liquid crystalline (LC) phase behaviors have been studied by polarized optical microscopy and small angle X-ray scattering techniques. With increasing NEX-4 concentration, the hexagonal, lamellar, sponge, and reverse cubic phases have been observed to appear in sequence, whereas only hexagonal and lamellar are formed in NEX-7/H2O system. Comparison with sodium myristate and C12E4 systems further reveals that the electrostatic interaction combining with the hydrogen bonding should be the main driving forces for the LC phase formation.
关键词Fatty Alcohol Polyoxyethylene Ether Carboxylate Phase Behavior Micelle Lyotropic Liquid Crystalline
DOI10.1016/j.molliq.2016.12.010
收录类别SCI
WOS记录号WOS:000393535900019
引用统计
被引频次:2[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/365002/4736
专题环境科学与技术研究室
通讯作者Yue, X; Wang, CY
作者单位1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
3.Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China
推荐引用方式
GB/T 7714
Yue, X ,Fan, XY ,Li, QT ,et al. Aggregation behaviors of alkyl ether carboxylate surfactants in water[J]. JOURNAL OF MOLECULAR LIQUIDS,2017,227(2):161-167.
APA Yue, X .,Fan, XY .,Li, QT .,Chen, X .,Wang, CY .,...&Wang, CY.(2017).Aggregation behaviors of alkyl ether carboxylate surfactants in water.JOURNAL OF MOLECULAR LIQUIDS,227(2),161-167.
MLA Yue, X ,et al."Aggregation behaviors of alkyl ether carboxylate surfactants in water".JOURNAL OF MOLECULAR LIQUIDS 227.2(2017):161-167.
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