ICCAS OpenIR
Properties of binary surfactant systems of nonionic surfactants C12E10, C12E23, and C12E42 with a cationic gemini surfactant in aqueous solutions
Hu, Changchao1; Li, Rongqiang1,2; Yang, Hui1; Wang, Jinben1
2011-04-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume356Issue:2Pages:605-613
AbstractProperties of binary surfactant systems of nonionic surfactants poly(ethylene oxide) (PEO) lauryl ethers (C12E10, C12E23, C12E42) with a cationic gemini surfactant, butanediyl-alpha,omega-bis(tetradecyldimethylammonium bromide) (14-4-14), have been investigated by Steady-state Fluorescence (FL), zeta potential, Dynamic Light Scattering (DLS), Transmission Electron Microscopy (TEM), Cryogenic Transmission Electron Microscopy (CryoTEM), and X-ray Diffraction (XRD). Through FL measurements, critical micelle concentration (CMC) of the three binary systems for different mixing mole fractions is determined and the values fall between those of pure constituent surfactants. Ideal CMC (CMCideal), mole fraction in aggregates (X), interaction parameter (beta), activity coefficients (f(1) and f(2)), and excess free energy of mixing (Delta G(ex)) have been calculated. All these parameters indicate nonideal behavior and synergistic interactions between the constituent surfactants, which is explained in terms of electrostatic attraction between headgroups of constituent surfactants and reduction of electrostatic repulsion between headgroups of 14-4-14 due to the presence of nonionic surfactants. DLS, TEM and CryoTEM results show that nonionic surfactants facilitate the formation of larger aggregates. Micelles and vesicles in larger size compared with those of 14-4-14 coexist in the mixed solutions. Both surfactant composition and PEO chain length are found to play a strong effect on the properties of the binary systems. (C) 2011 Elsevier Inc. All rights reserved.
KeywordBinary Surfactant System Nonionic Surfactant Gemini Surfactant Interaction Aggregate Morphology
DOI10.1016/j.jcis.2011.01.062
Indexed BySCI
Language英语
WOS IDWOS:000288527800030
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71388
Collection中国科学院化学研究所
Corresponding AuthorWang, Jinben
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Colloid Interface & Chem Thermodynam, Beijing 100190, Peoples R China
2.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Hu, Changchao,Li, Rongqiang,Yang, Hui,et al. Properties of binary surfactant systems of nonionic surfactants C12E10, C12E23, and C12E42 with a cationic gemini surfactant in aqueous solutions[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2011,356(2):605-613.
APA Hu, Changchao,Li, Rongqiang,Yang, Hui,&Wang, Jinben.(2011).Properties of binary surfactant systems of nonionic surfactants C12E10, C12E23, and C12E42 with a cationic gemini surfactant in aqueous solutions.JOURNAL OF COLLOID AND INTERFACE SCIENCE,356(2),605-613.
MLA Hu, Changchao,et al."Properties of binary surfactant systems of nonionic surfactants C12E10, C12E23, and C12E42 with a cationic gemini surfactant in aqueous solutions".JOURNAL OF COLLOID AND INTERFACE SCIENCE 356.2(2011):605-613.
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