Polyelectrolyte adsorption, interparticle forces, and colloidal aggregation
نویسندگان
چکیده
منابع مشابه
Adsorption of polyelectrolytes and inter-colloidal forces
The e ect of charged polymers on the interactions between charged surfaces in solution is investigated theoretically. We use meaneld theory to derive a self-consistent eld equation for the polymer order parameter, and a modi ed Poisson–Boltzmann equation for the electrostatic potential. The two di erential equations together with the appropriate boundary conditions are solved numerically. We us...
متن کاملPolyelectrolyte adsorption
The problem of charged polymer chains (polyelectrolytes) as they adsorb on a planar surface is addressed theoretically. We review the basic mechanisms and theory underlying polyelectrolyte adsorption on a single surface in two situations: adsorption of a single charged chain, and adsorption from a bulk solution in θ solvent conditions. The behavior of flexible and semi-rigid chains is discussed...
متن کاملPolyelectrolyte adsorption
2014 The adsorption of uncharged polymers is, due to numerous efforts over past decades, fairly well understood. Some insight exists into the structure of the adsorbed layer, and the effect of the important parameters molecular weight, solvency and polymer/surface interaction has been investigated. Theory and experiment are beginning to converge. The polyelectrolyte adsorption process, however,...
متن کاملAggregation in colloidal suspensions: effect of colloidal forces and hydrodynamic interactions.
The forces acting in colloidal suspensions and affecting their stability and aggregation kinetics are considered. The approximations used for these forces in numerical simulations and the importance of the balanced account for both colloidal forces and hydrodynamic interactions are discussed. As an example the results of direct numerical simulations of kinetics of aggregation either with accoun...
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ژورنال
عنوان ژورنال: Soft Matter
سال: 2014
ISSN: 1744-683X,1744-6848
DOI: 10.1039/c3sm52132j