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Aluminum Complexes with a Donor Polymer: New Route to Organic/Inorganic Polymer Hybrids

Authors:	Annenkov V.V. Filina E.A. Danilovtseva E.N. Zinchenko S.V. Mikhaleva A.I.

Affiliation:	(1) A.E. Favorsky Irkutsk Institute of Chemistry, Russian Academy of Sciences, Siberian Branch, 1 Favorsky St., Irkutsk, 664033, Russia

Abstract:	The formation of alumina particles from aluminum salts in the presence of poly(1-vinylimidazole) was investigated by quantitative ²⁷Al NMR, potentiometry and FTIR spectra. The interaction of poly(1-vinylimidazole) with aluminum chloride and nitrate in an aqueous medium stabilizes [AlO₄Al₁₂(OH)₂₄]⁷⁺ and less ordered polymeric particles. The addition of NaOH (NaOH: Al 2) results in water-insoluble organic/inorganic hydrogen-bonded composites. Stabilization of the complexes is realized by cooperative hydrogen N···H—O—Al bonds, without N Al donor-acceptor interactions.

Keywords:	aluminum hydroxide hydrolysis poly(1-vinylimidazole) complex composite
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