Abstract
The present state of the theory of the kinetics of micellization is summarized. Consideration of ionic micelles as charged colloidal particles is proposed. At low counterion concentrations the electrostatic repulsion prevents coagulation of the submicellar aggregates, so that the micelles can grow by incorporation of monomers only: N 1-1 + N 1 → N i . At high counterion concentrations, however, this reaction path is bypassed by a reversible coagulation of submicellar aggregates: N k + N 1 → N 1; k + l = i. With nonionic systems, the electrostatic repulsion being absent, both reaction paths compete right from the CMC on. The analysis of the time constants and the amplitudes of the relaxation process in aqueous solutions is presented, making use of the prediction of the DLVO theory. The results are in good agreement with the experiments.
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