Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (5): 772.

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Interrelation of Carbon Numbers in Microemulsion with Nonionic Surfactant

TENG Hong-Ni1, SUN Yong1, HUANG Bin1, KONG Bin1, CHEN Zong-Qi 2   

  1. 1. Open Laboratory of Colloid and Interface Chemistry, Shandong University, Jinan, 250100;
    2. Department of Applied Chemistry, Instiute of Chemical Technology, Qingdao, 266042
  • Online:1999-05-24 Published:1999-05-24

Abstract: The interrelation of carbon numbers was studied in microemulsions containing nonionic surfactant, n-alcohol, n-hydrocarbon and water by construction of pseduo ternary phase diagrams. Mixtures of the surfactant, alcohol and hydrocarbon were titrated at 30 ℃ with water to the points of turbidity and clarity to determine the microemulsion area. The total area of the microemulsion of different types for AEO9, n-alcohol, n hydrocarbon and water reached a maximum value when NO, carbon number of the oil, NO, carbon number plus that of the alcohol, NA, was equal to that of the AEO9, NS(NS= NO+ NA). The results are discussed theoretically.

Key words: Microemulsion, Nonionic surfactant, Interrelation of carbon numbers, Phase diagram

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