Abstract
The adsorption of cationic and anionic polyelectrolytes from aqueous solutions on the polystyrene surface was studied by quartz crystal microbalance and contact angle measurements. It is shown that, despite the multilayer nature of adsorption, only a monolayer of polyelectrolyte macromolecules is rmly retained on the polymer surface, and the polystyrene surface is hydrophilized. It is shown that with complete monolayer lling of the surface, the degree of modi cation of the polystyrene surface does not depend on the nature of the studied polyelectrolytes, and the modifying monolayers provide the value of the polystyrene/water interfacial energy, which indicates the potential biocompatibility of the material based on the modi ed polystyrene.
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