Relaxation Times of Nano-Colloid Flocculation Induced by Adsorbing and Non-adsorbing Polymers
نویسندگان
چکیده
We have developed a self-consistent field theory of the effective interactions between nano-colloids mediated by adsorbing and non-adsorbing polymers. By making use of this theory, we have calculated the colloid immersion energy and the potential of the polymer-mediated forces for the above cases of polymer adsorption. On the basis of the obtained results for the polymer-mediated potentials, we have investigated the relaxation times of the colloid flocculation assisted by the adsorbing and non-adsorbing polymers. The calculated relaxation times are found to show different dependencies on the colloid radius and the colloid and polymer volume fractions for the above two different cases of polymer adsorption.
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