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Journal of Dispersion Science and Technology Volume 25, 2004 - Issue 1
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Original Articles

Phase Behavior of the APG/Alcohol/Alkane/H2O System

Jian Zhang State Key Laboratory of C1 Chemistry and Technology, Taiyuan University of Technology, Taiyuan, P.R. China
,
Jin‐Ling Chai Department of Chemistry, Shandong Normal University, Jinan, P.R. China; Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, P.R. China
,
Gan‐Zuo Li Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, P.R. ChinaCorrespondence[email protected]
,
Gao‐Yong Zhang Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, P.R. China
&
Ke‐Chang Xie State Key Laboratory of C1 Chemistry and Technology, Taiyuan University of Technology, Taiyuan, P.R. China
Pages 27-34 | Received 24 Feb 2003, Accepted 15 Sep 2003, Published online: 16 Aug 2006
 
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Abstract

In this paper, the concentration scanning phase diagram and the fishlike phase diagrams for the quaternary system of alkyl polyglucoside (APG: C8G1.46 or C8/10G1.31)/alcohol/alkane/water mixtures have been studied. By a mass‐balance the mass fractions of APG and alcohol at the interface in the microemulsion (CS and CA) were obtained.The mixing fraction of alcohol at the interface (A S) was also determined by the HLB plane equation based on the geometrical relation of the three‐phase tie triangle in the composition tetrahedron. The net solubilizing power γE is larger for C8/10G1.31 than that for the C8G1.46 microemulsion system. The effect of alcohol on the three‐phase behavior and maximum solubilization was also investigated, which shows that alcohols with short chains have high solubilizing power.

Acknowledgment

This work was supported by the National Natural Science Foundation of China (Grant No. 20243005).

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