Hemimicellization


Affiliations

  • Peking University, Laboratory of Surface and Colloid Chemistry, Department of Chemistry and Institute of Physical Chemistry, Beijing, China

Abstract

The literature on surface micellization or hemimicellization of surfactants at oxide/water interface is reviewed briefly. The adsorption model of cationic surfactant at silica/water interface is described, and a recently proposed approach is introduced which allows determination of nhm the average aggregation number of surfactant ions in a hemimicelle from the adsorption isotherm. The thermodynamics of hemimicelle formation is described which also allows to evaluate the nhm, as well as the free energy of hemimicellization from the adsorption of isotherms.

Keywords

Hemimicelle, Surfactant, adsorption, Aggregation Number, Thermodynamics.

Subject Discipline

Chemistry

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