Investigation of nonionic surfactant Dynol-604 based reverse microemulsions formed in supercritical carbon dioxide

被引：96
|
作者：
Liu, JC
Han, BX [1 ]
Li, GZ
Zhang, XG
He, J
Liu, ZM
机构：
[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
[2] Shandong Univ, Inst Colloid & Interface Chem, Jinan 250100, Peoples R China
来源：
LANGMUIR | 2001年 / 17卷 / 26期
关键词：
D O I：
10.1021/la010743d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The solubility of Dynol-604 (a surfactant) in supercritical (SC) CO2 and the phase behavior of the CO2/water/Dynol-604 system were studied at different temperatures and pressures. The results showed that the solubility of the surfactant in SC CO2 is high and one-phase water-in-CO2 microemulsions could be formed although Dynol-604 is a nonfluorous, and nonsiloxane nonionic surfactant. The solvatochromic probe studies and the UV spectrum of lysozyme in the supercritical CO2/water/Dynol-604 system further proved the existence of a water domain in the supercritical CO2 microemulsions.
引用
收藏
页码：8040 / 8043
页数：4
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