Abstract
The adsorption characteristics of PvOH on a surfactant free polystyrene latex surface have been determined from adsorption isotherm and zeta potential measurements. The concentration and shear dependence of the flow behaviour of surfactant free polystyrene latex alone, and together with PvOH, have also been obtained. The. data show that the marked increase in viscosity observed in polystyrene dispersions upon the addition of PvOH is satisfactorily accounted for by the excluded volume effect of an adsorbed monolayer of PvOH on the polystyrene surface.
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