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A theory of cationic dimeric (gemini) surfactant adsorption onto negatively charged surface is presented. In the proposed model it is assumed that the adsorbed phase is a mixture of singly dispersed molecules of surfactant and spherical, globular and cylindrical aggregates of different dimensions. Only the “excluded area” interactions between the adsorbed species are considered and the effects of...
A theoretical description of surfactant adsorption based on the model of the adsorbed phase being a mixture of single monomers and spherical and globular aggregates of different sizes has been developed. The assumed aggregate shapes were such that the cross-section of each aggregate parallel to the adsorbent surface was a circle with a radius depending on the aggregation number. The aggregates were...
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