Depletion interaction between spheres immersed in a solution of ideal polymer chains

Abstract

The polymer concentration profile using excess adsorption was used to calculate the depletion interaction between two nonadsorbing ideal polymers. The product function of the concentration profile around a single sphere was used to describe the polymer concentration profiles around two spheres. The calculation of the adsorption around the two spheres in dilute polymer solutions was found to be in agreement with the Derjaguin approximation of the exact result.