HYDROGEL MEMBRANES BASED ON COPOLYMERS OF 2-HYDROXYETHYL METHACRYLATE WITH POLYVINYLPYRROLIDONE, MODIFIED WITH MONTMORILLONITE AND SILVER NANOPARTICLES
Y. Melnyk, O. Ivanukh, N. Semenyuk, M. B. Kostenko, V. Skorokhoda
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Abstract
Hydrogel membranes based on copolymers of 2-hydroxyethyl methacrylate with polyvinylpyrrolidone, modified with inorganic additives were synthesized. The influence of montmorillonite and silver on the properties of synthesized composite hydrogel membranes was studied. It was established that montmorillonite improves the mechanical properties of membranes, but slightly reduces their permeability. The chemistry of the recovery reaction of silver from its salts using polyvinylpyrrolidone as a reducing agent and stabilizer is proposed. The conducted studies confirmed the prospects of using synthesized hydrogels based on HEMA/PVP copolymers which contain special additives for the marking of biomedical materials with antibacterial properties.
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