ICCAS OpenIR
Synthesis, aggregation behavior and interfacial activity of branched alkylbenzenesulfonate gemini surfactants
Zhang, Qun1; Tian, Maozhang1; Han, Yuchun1; Wu, Chunxian1; Li, Zhibo2; Wang, Yilin1
2011-10-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume362Issue:2Pages:406-414
AbstractBranched alkylbenzenesulfonate gemini surfactants: sodium 6,6'-(propane-1,3-diylbis(oxy))bis(3-(2-propylpentyl)benzenesulfonate) (C8BC3C8B), sodium 6,6'-(propane-1,3-diylbis(oxy))bis(3-(3,5,5-trimethylhexyl)benzenesulfonate) (C9BC3C9B), and sodium 6,6'-(propane-1,3-diylbis(oxy))bis(3-(2,4, 4-trimethylpentan-2-yl)benzenesulfonate) (T-C8BC3C8B) have been synthesized. Their interfacial activity and aggregation behavior in aqueous solution were studied by surface/interface tension measurement, electrical conductivity, isothermal titration microcalorimetry, (1)H NMR spectroscopy, dynamic light scattering, steady-state fluorescence and cryogenic transmission electron microscopy. The critical aggregation concentration (CAC) and the minimum average surface area/molecule (A(min)) decrease with the decrease of the branching factor, i.e., in the order of T-C8BC3C8B, C8BC3C8B and C9BC3C9B. Moreover, alkyl side chain branches generate much more significant increases in CAC and A(min) for the gemini surfactants than single-chain surfactants. However, the branching factor does not change the air/water surface tension at CAC regularly. Instead, the air/water surface tension decreases with the increase of the carbon number of the hydrocarbon chains. In addition, it is noted that the branched gemini surfactants display high efficiency in reducing toluene/water interfacial tension. Interestingly, the increase in the branching factor leads to much more endothermic enthalpy of aggregation. All these three surfactants form spherical vesicles in aqueous solution and may present a parallel-displaced structure with a directional arrangement of the benzene ring in the vesicles. (C) 2011 Elsevier Inc. All rights reserved.
KeywordGemini Surfactants Branched Surfactants Interfacial Tension Vesicle
DOI10.1016/j.jcis.2011.05.087
Indexed BySCI
Language英语
WOS IDWOS:000294142500021
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72708
Collection中国科学院化学研究所
Corresponding AuthorWang, Yilin
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Colloid & Interface Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Qun,Tian, Maozhang,Han, Yuchun,et al. Synthesis, aggregation behavior and interfacial activity of branched alkylbenzenesulfonate gemini surfactants[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2011,362(2):406-414.
APA Zhang, Qun,Tian, Maozhang,Han, Yuchun,Wu, Chunxian,Li, Zhibo,&Wang, Yilin.(2011).Synthesis, aggregation behavior and interfacial activity of branched alkylbenzenesulfonate gemini surfactants.JOURNAL OF COLLOID AND INTERFACE SCIENCE,362(2),406-414.
MLA Zhang, Qun,et al."Synthesis, aggregation behavior and interfacial activity of branched alkylbenzenesulfonate gemini surfactants".JOURNAL OF COLLOID AND INTERFACE SCIENCE 362.2(2011):406-414.
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