LAMELLAR LIQUID-CRYSTALS IN EQUILIBRIUM WITH EXCESS OIL IN ANIONIC SURFACTANT OIL BRINE SYSTEMS

被引：14
|
作者：
GHOSH, O
MILLER, CA
机构：
[1] Department of Chemical Engineering Rice University, P.O. Box 1892, Houston, TX 77251, United States
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1987年 / 116卷 / 02期
关键词：
EMULSIONS - LIQUIDS - Surface Tension - OIL WELL PRODUCTION - Enhanced Recovery - SURFACE ACTIVE AGENTS - Solutions;
D O I：
10.1016/0021-9797(87)90155-X
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Lamellar liquid crystalline phases in equilibrium with excess oil have been discovered at water-to-oil ratios near unity and low salinities in systems containing petroleum or pure sulfonates and long-chain hydrocarbons. These liquid crystals have low viscosities and exhibit low interfacial tensions with oil despite their minimal oil solubilization. Such measurements of interfacial tension with one phase being anisotropic are novel. The measured values appear to be reproducible and independent of the speed of rotation in the spinning drop tensiometer.
引用
收藏
页码：593 / 597
页数：5
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