ICCAS OpenIR
Surface, Interfacial and Aggregation Properties of Sulfonic Acid-Containing Gemini Surfactants with Different Spacer Lengths
Yang, Jiping1; Xie, Jianyun1; Chen, Guangming2; Chen, Xiaochen1
2009-06-02
Source PublicationLANGMUIR
ISSN0743-7463
Volume25Issue:11Pages:6100-6105
AbstractFour sulfonic acid-containing gemini surfactants 9BA-m-9BA (m = 2, 3, 4, 6), 6,6'-(ethane-1,2-diylbis(oxy)) his (3-nonylbenzenesulfonic acid) (9BA-2-9BA), 6,6'-(propane-1,3-diylbis(oxy)) bis(3-nonylbenzenesulfonic acid) (9BA-3-9BA), 6,6'-(butane-1,4-diylbis(oxy)) bis(3-nonylbenzenesulfonic acid) (9BA-4-9BA), and 6,6'-(hexane-1,6-diylbis(oxy)) bis(3-nonylbenzenesulfonic acid) (9BA-6-9BA), were synthesized and characterized by Fourier transform infrared (FTIR), (1)H NMR, elemental analysis, and melting temperature measurements. Their ability to lower the water surface tension and hexadecane/water interfacial tension was measured and correlated with the hydrophobicity and length of their alkyl spacer chain. Their aggregates in aqueous solutions were investigated using dynamic light scattering and transmission electron microscopy. Spherical vesicles could be found in aqueous solutions of four gemini surfactants with an apparent hydrodynamic radius (R(h)) of similar to 100 nm. The critical micelle concentration (cmc) of four gemini surfactants evaluated by surface tension measurements was 1 order of magnitude smaller than that of conventional single-chain surfactant sodium dodecylsulfonate (SDS). And their C(20), the gemini surfactant concentration required for lowering the surface tension of water by 20 mN/m, was about 2 orders of magnitude smaller than that of SDS, showing excellent efficiency at reducing the surface tension of water. In addition, the hexadecane/water interfacial tension could be less than 1.0 mN/m after using pure 9BA-m-9BA in water. Using 9BA-6-9BA the hexadecane/water interfacial tension was reduced to 0.21 mN/m.
DOI10.1021/la9000889
Indexed BySCI
Language英语
WOS IDWOS:000266604000018
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67240
Collection中国科学院化学研究所
Corresponding AuthorYang, Jiping
Affiliation1.Beihang Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Aerosp Mat & Performance, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Inst Chem, New Mat Lab, BNLMS, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang, Jiping,Xie, Jianyun,Chen, Guangming,et al. Surface, Interfacial and Aggregation Properties of Sulfonic Acid-Containing Gemini Surfactants with Different Spacer Lengths[J]. LANGMUIR,2009,25(11):6100-6105.
APA Yang, Jiping,Xie, Jianyun,Chen, Guangming,&Chen, Xiaochen.(2009).Surface, Interfacial and Aggregation Properties of Sulfonic Acid-Containing Gemini Surfactants with Different Spacer Lengths.LANGMUIR,25(11),6100-6105.
MLA Yang, Jiping,et al."Surface, Interfacial and Aggregation Properties of Sulfonic Acid-Containing Gemini Surfactants with Different Spacer Lengths".LANGMUIR 25.11(2009):6100-6105.
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