Abstract
The complexes were prepared on the basis of polymer ligands with carboxylic and nitrogen-containing functionalities by complexation with VO2+ cations in aqueous solutions of VOSO4.5H2O. The degree of introduction of VO2+ ions into the polymer matrices depended on the kind of the functional groups in the polymers studied, such as polyacrylic acid, poly-4-vinylpyridine, poly(2-N,N-dimethylaminoethyl) methacrylate, poly(propylene imine) dendrimers such as D8[DAB-dendr-(NH2)8] and D32 [DAB-dendr-(NH2)32], with 8 and 32 primary amine end groups. It was found to be from 31.15 to 69.6 mg metal ions per gram of polymer carrier. An attempt was made to evaluate the structure of the VO2+-containing polymer complexes by electron paramagnetic resonance. The parameters of the electron paramagnetic resonance were determined (gII, g⊥; AII and A⊥) for the complexes studied. The anticipated coordination structure of the compounds was suggested.
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