| 31. |
Colloid-induced polymer compression A. R. Denton and M. Schmidt, J. Phys.: Condens. Matt. 14, 12051 (2002). Locate in [bare] [illustrated] list. Get [full paper] as pdf. Extract. We consider a model mixture of hard colloidal spheres and nonadsorbing polymer chains in a theta solvent. The polymer component is modelled as a polydisperse mixture of effective spheres, mutually noninteracting but excluded from the colloids, with radii that are free to adjust to allow for colloid-induced compression. With increasing colloid concentration and polymer-to-colloid size ratio, colloidal confinement is found to increasingly compress the polymers. [more]  Read the [full paper] as pdf. |
Colloid-polymer mixtures: Beyond the AOV model
Extensions include taking into account an explicit solvent of point particles [27], penetrability of (small) colloids into polymers [28], colloid-induced polymer compression [31], the influence of polymer interactions on fluid-demixing [34] and on the contact angle of the colloidal liquid-gas interface and a hard wall [50], as well as the stability of the floating liquid phase in sedimenting colloid-polymer mixtures for non-ideal polymers [52].[more]