2008 | OriginalPaper | Buchkapitel
Factors Influencing the Adsorption Properties of Silicas Functionalized by Macrocyclic Ligands
verfasst von : Olga V. Kuchma, Yuriy L. Zub
Erschienen in: Sol-Gel Methods for Materials Processing
Verlag: Springer Netherlands
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The adsorbents (polysiloxane xerogel, silicagel Davisil, mesoporous silica SBA-15) containing macroligands, such as calix[4]arenes, diaminodibenzo-18-crown-6-ethers, α- and β-cyclodextrins, have been obtained by the sol-gel method and the surface modification method. The influence of the synthesis conditions, the nature of macrocyclic compounds and routes of their grafting on the structural-adsorption characteristics of the obtained polysiloxane materials and their sorption properties toward Cs
+
(
137
Cs) and Na
+
, K
+
, Sr
2+
(
90
Sr), and organic compounds of different kind, has been investigated.