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Phase Behaviour of the Microemulsion Systems Formed by the Composite Surfactants Alkyl Polyglucoside and Sodium Dodecyl Sulfate

Phasenverhalten von Mikroemulsionen hergestellt aus Alkylpolyglucosid-Natriumdodecylsulfat-Gemischen
  • J.-R. Zhao , X.-Q. Li , Y. Li , J.-L. Chai , S.-C. Shang and J.-J. Lu


The phase behavior of microemulsions containing composite surfactants of non-ionic alkyl polyglucoside and anionic sodium dodecyl sulfate was studied by the ∊-β fishlike phase diagram method. In microemulsion systems APG(SDS)/alcohol/alkane/water, there exists an obvious synergistic effect in terms of the composition of the interfacial layer and the solubilization ability. In the interfacial layer the number of surfactant and alcohol molecules notably decrease, resulting in a significant improvement in the solubilization ability of the system. The effects of alcohols, alkanes and salinity on the ∊-β fishlike phase diagrams of APG/SDS/alcohol/alkane/brine microemulsion systems were also discussed.


Das Phasenverhalten von Mikroemulsionen, die Gemische aus nicht ionischem Alkylpolyglucosid (APG) und anionischem Natriumdodecylsulfat (SDS) enthalten, wurde mit Hilfe der ∊-β „Fisch“-Phasendiagramm-Methode untersucht. In Mikroemulsionssystemen des Typs APG(SDS)/Alkohol/Alkane/Wasser existieren synergistische Effekte hinsichtlich der Zusammensetzung der Grenzflächenschicht und der Fähigkeit zur Solubilisierung. Die Zahl der Tensid- und der Alkoholmoleküle in der Grenzflächenschicht nimmt im besonderen Maße ab, was in einer deutlichen Verbesserung der Solubilisierungseigenschaft des Systems zum Ausdruck kommt. Die Effekte der Alkohole, der Alkane und des Salzgehalts auf das ∊-β „Fisch“-Phasendiagramm des APG/SDS/Alkohol/Alkan/Salz-Mikroemulsionssystems werden ebenfalls diskutiert.

Dr. Jin-Ling Chai, Department of Chemistry, Shandong Normal University, Jinan, P.R. China, Tel.: 0531-86180743. E-Mail:

Jin-rong Zhao, born in 1972, Shandong Province of China. In 2004–2007, studied in Shandong Normal University and obtained the Msc degree in 2007. Since then, she has worked in the Second Artillery Qinzhou Non-commissioned Officer School.

Yan Li, born in 1982, Shandong Province of China, a Msc candidate of Shandong Normal University. Her interest of research is physical chemistry of surfactant solutions.

Xun-Qiang Li, born in 1984, Shandong Province of China, a Msc candidate of Shandong Normal University. His interest of research is physical chemistry of surfactant solutions.

Jin-Ling Chai, born in 1961, Shandong Province of China, is a chemistry professor. He studied solvent extraction from 1985 to 1988 in Shandong University and got a Msc degree in 1988. In 1988–1999, he worked in department of chemistry, Shandong Normal University, teaching physical chemistry. He was a phD candidate in Shandong University in 2000–2003 and obtained a PhD degree in 2003. Since 2003, he has worked in Shandong Normal University, researching physical chemistry of surfactant solutions. Special fields of interest are Physicochemical properties and applications of surfactant aggregates.

Shu-Chuan Shang, born in Shandong Province of China in 1956. He has been worked in Shandong Normal University since 1979. In 1985, participation in inorganic chemistry and coordination chemistry in Nanjing University. In 1986, he studied inorganic chemistry in Wuhan University. Since 2001, he has worked in Scientific Research Office.

Jian-Jun Lu, born in 1962, Shandong Province of China. Since 1982, he has worked in Shandong Normal University.


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Received: 2010-05-20
Published Online: 2013-04-05
Published in Print: 2010-11-01

© 2010, Carl Hanser Publisher, Munich

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