Journal
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
Volume 87, Issue 10, Pages 1702-1708Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036024413100166
Keywords
hypercrosslinked magnetic composite sorbents; structure and properties
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Funding
- Russian Foundation for Basic Research
- International Competition of Joint Russian-Belarus Research Projects Bel_a [12-03-90007-Bel_a]
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Magnetic composite sorbents based on microporous and biporous hypercrosslinked polystyrenes (HCPs) with inclusions of iron oxide nanoparticles were studied by X-ray diffraction and differential thermal analysis. In microporous composites, the size of impregnated magnetite nanoparticles was less than similar to 6 nm, the nanocomposites remaining optically transparent. Biporous HCPs (with micro- and macropores) had larger nanoparticles (similar to 16 nm). The sorption studies revealed that composite magnetic sorbents, as well as the starting hypercrosslinked polystyrenes, are effective adsorbents with high capacity for many compounds including toxic and physiologically active compounds.
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