Abstract
The efficiency of using solutions based on mixtures of polyamide with polyvinylpyrrolidone (PVP) in formic acid as modifiers of highly permeable hydrogel membranes based on copolymers of PVP with 2-hydroxyethyl methacrylate was established. The modification ensures the formation of composite membranes with strengthened selectively permeable nano- and microlayers. The possibility of predictable regulation of the sorption-diffusion properties of composite hydrogel membranes by selecting the composition and concentration of the modifying solution and the composition of the hydrogel film substrate is shown.
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