ICCAS OpenIR
Enhancement of the solubilization capacity of water in Triton X-100/cyclohexane/water system by compressed gases
Shen, D; Zhang, R; Han, BX; Dong, Y; Wu, WZ; Zhang, JL; Li, JC; Jiang, T; Liu, ZM
2004-10-11
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
Volume10Issue:20Pages:5123-5128
AbstractThe effect of compressed CO(2) and ethylene on the properties of Triton X-100/cyclohexane/water systems was studied at different temperatures and pressures. Surprisingly, it was discovered that the compressed gases had the functions of co-surfactants. At suitable pressures, the water-to-surfactant molar ratio (WO) was enhanced significantly by the dissolution of the gas in the solution. The microenvironment in the reverse micelles was investigated by UV-visible spectroscopy by using methyl orange (MO) as a probe. The influence of n-hexane, Na(2)CO(3), NaHCO(3), H(2)C(2)O(4), and CaCl(2) at various concentrations on the solubilization of water in the absence of compressed gases was also investigated in order to obtain some information about the mechanism of the interesting phenomenon. This new route to stabilize reverse micelles may have potential applications to other similar systems. Moreover, the results of this work provide some useful information to get insight into the mechanism of co-surfactants, because a conventional co-surfactant usually contains both polar group and hydrocarbon chain, and it is very difficult to clarify the functions these two groups, while the gases used in this work are small nonpolar molecules, which solely have the function of the hydrocarbon chain in a co-surfactant.
KeywordCarbon Dioxide Cyclohexane Micelles Surfactants Triton X-100
DOI10.1002/chem.200305610
Indexed BySCI
Language英语
WOS IDWOS:000224600600020
PublisherWILEY-BLACKWELL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81788
Collection中国科学院化学研究所
Corresponding AuthorHan, BX
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Shen, D,Zhang, R,Han, BX,et al. Enhancement of the solubilization capacity of water in Triton X-100/cyclohexane/water system by compressed gases[J]. CHEMISTRY-A EUROPEAN JOURNAL,2004,10(20):5123-5128.
APA Shen, D.,Zhang, R.,Han, BX.,Dong, Y.,Wu, WZ.,...&Liu, ZM.(2004).Enhancement of the solubilization capacity of water in Triton X-100/cyclohexane/water system by compressed gases.CHEMISTRY-A EUROPEAN JOURNAL,10(20),5123-5128.
MLA Shen, D,et al."Enhancement of the solubilization capacity of water in Triton X-100/cyclohexane/water system by compressed gases".CHEMISTRY-A EUROPEAN JOURNAL 10.20(2004):5123-5128.
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