Funct. Mater. 2020; 27 (2): 329-333.

doi:https://doi.org/10.15407/fm27.02.329

Regularities of strengthening of film hydrogel membranes based on 2-hydroxyetylmetacrylate copolymers and polyvinylpyrrolidone

O.V.Suberlyak, N.M.Baran, Yu.Ya.Melnyk, O.M.Grytsenko, G.V.Yaculchak

Department of Chemical Technology Plastic Processing, Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine

Abstract: 

The results of the research of a surface adsorption magnitude and tensile strength of composite polyamide-hydrogel membranes, depending on the content of the hydrogel lining membrane are presented in the article. It was found that a change in the molecular weight of PVP, both in the structure of the copolymer and in the modifying mixture, as well as the residence time of the hydrogel film in t he modifying solution, makes it possible to directly control the properties of composite membranes, in particular, their strength and permeability. The feasibility of using the compositions to obtain medical films is experimentally substantiated.

Keywords: 
hydrogel membrane, 2-hydroxyethyl methacrylate, polyvinylpyrrolidone, polycaproamide, permeability.
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