Composition of the Middle Phase Microemulsion Formed by Sodium Dodecyl Sulfonate/1-Alcohol/n-Alkane/Water

Abstract:

The composition of the microemulsion plays a key role in modulating the formation of nanoparticles of inorganic materials. In order to understand the modulating mechanism, the composition of the middle phase microemulsion formed by Sodium Dodecyl Sulfonate/ 1-Alcohol/ n-Alkane/ Water quaternary system was studied by δ-γ phase diagram. A series of phase inversions O/W (2) → B.C.(3) → W/O( ) were observed with the increase in 1-alcohol concentration. Some physicochemical parameters, such as the coordinates of the start (βΒ, εB) and end points (βE, εE) of the middle-phase microemulsion, the mass fractions of AS (CS) and 1-alcohol (CA) in the total system, and the solubilities of AS (SO) and 1-alcohol (AO) in oil phase, were calculated. The influences of n-alkanes, 1-alcohol and concentration of NaCl solution on the composition of middle phase microemulsion were significantly.

• Periodical: Advanced Materials Research (Volumes 875-877)
• Pages: 308-312
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.875-877.308
• Online since: February 2014
• Authors: Xiao Deng Yang, Hua Yong Zhang, Jin Ling Chai
• Keywords: Composition, Middle Phase Microemulsion, Phase Diagram, Sodium Dodecyl Sulfonate

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