ICCAS OpenIR
Water-in-CO2 microemulsions with a simple fluorosurfactant
Gao, YN; Wu, WZ; Han, BX; Li, GZ; Chen, JW; Hou, WG
2004-12-10
Source PublicationFLUID PHASE EQUILIBRIA
ISSN0378-3812
Volume226Pages:301-305
AbstractThe phase behavior of supercritical CO2/ClCF2CF2CF2CF2CF2CF2OCF2CF2SO3K (F-53B)/alcohols/water/was studied in detail using a high-pressure variable-volume view cell. The results showed that F-53B could form reverse microemulsions in the presence of water and alcohols from ethanol to n-octyl alcohol. A significant amount of water could be solubilized at easily accessible conditions. The efficiency of the alcohols to enhance formation of the microemulsions was in the order: n-pentanol approximate to n-butanol > n-hexanol > n-propanol approximate to n-heptanol > octyl alcohol > ethanol. The solvatochromic probe studies further proved the existence of water domains in the supercritical CO2-based microemulsions. The microemulsions may have potential applications because the surfactant is relatively cheap and simple in structure. and the reverse microemulsions can be formed at mild conditions. (C) 2004 Elsevier B.V. All rights reserved.
KeywordSupercritical Carbon Dioxide Reverse Microemulsions Surfactant
DOI10.1016/j.fluid.2004.10.006
Indexed BySCI
Language英语
WOS IDWOS:000226237200034
PublisherELSEVIER SCIENCE BV
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81950
Collection中国科学院化学研究所
Corresponding AuthorHan, BX
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
2.Shandong Univ, State Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Peoples R China
Recommended Citation
GB/T 7714
Gao, YN,Wu, WZ,Han, BX,et al. Water-in-CO2 microemulsions with a simple fluorosurfactant[J]. FLUID PHASE EQUILIBRIA,2004,226:301-305.
APA Gao, YN,Wu, WZ,Han, BX,Li, GZ,Chen, JW,&Hou, WG.(2004).Water-in-CO2 microemulsions with a simple fluorosurfactant.FLUID PHASE EQUILIBRIA,226,301-305.
MLA Gao, YN,et al."Water-in-CO2 microemulsions with a simple fluorosurfactant".FLUID PHASE EQUILIBRIA 226(2004):301-305.
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