Bactericidal polymeric composites based on poly(vinyl butyral) and silver ions containing organically modified SiO2

TitleBactericidal polymeric composites based on poly(vinyl butyral) and silver ions containing organically modified SiO2
Publication TypeJournal Article
Year of Publication2016
AuthorsTolstov, AL, Malanchuk, ON, Klymchuk, DA, Matyushov, VF, Lebedev, EV
Abbreviated Key TitleDopov. Nac. akad. nauk Ukr.
DOI10.15407/dopovidi2016.01.074
Issue1
SectionChemistry
Pagination74-80
Date Published1/2016
LanguageRussian
Abstract

Bactericidal polymeric composite materials are prepared by sol-gel synthesis of organically modified SiO2 in the presence of poly(vinyl butyral) followed by theintroduction of silver ions. FTIR and UV-vis spectral studies have shown a complexation of Ag+ ions by aminopropyl fragments of the inorganic constituent. The composite is characterized by a uniform distribution of SiO2 particles with an averaged size of 258 ± 46 nm in the polymer matrix and the reduced hydrophilicity compared to the neat polymer. Polymeric composites demonstrate the stable bactericidal activity at the silver content in the range of 0.03–0.6%.
Keywordsbactericidal properties, poly(vinyl butyral), silica, silver, sol-gel synthesis
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