Abstract
The ion-chelating properties of linear and network polymers with crown ether and cryptand-type macroheterocyclic ligands either in the backbone or as pendent groups are described. Some of the materials have potential application in trace solute analysis, the removal of radioactive isotopes, separation of ions, the enrichment of isotopes, anion-activated catalysis in organic synthesis and other areas. The properties of the ligand-anchored polymers often differ from those of the monomeric ligands as a result of cooperative effects involving neighboring ligands or other chain substituents.
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