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Synthesis and physicochemical characterization of nanocomposites of calcium hydroxylapatite-chitosan-multiwall carbon nanotubes

  • Synthesis and Properties of Inorganic Compounds
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Abstract

The synthesis and physicochemical characterization of nanocomposites of calcium hydroxylapatite-chitosan-multiwall carbon nanotubes (CNTs) was performed. The CaCl2-(NH4)2HPO4-(C6H11NO4) n -CNT-NH3-H2O system was studied by the solubility (Tananaev’s residual concentration) method and pH measurements at 25°C. Conditions for the joint precipitation of nanocrystalline calcium hydroxylapatite, chitosan, and multiwall CNTs were found. Nanocomposites with the general formula Ca10(PO4)6(OH)2 · x(C6H11NO4) · yCNT · zH2O, where x = 0.1, 0.2, and 0.5; y = 0.5, 2.0, 4.0, and 5.0; and z = 5.9–7.9. The solid phases were characterized by chemical, thermogravimetric, and X-ray diffraction analysis and IR spectroscopy.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    Zh. A. Ezhova, N. A. Zakharov, E. M. Koval’ & V. T. Kalinnikov

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  1. Zh. A. Ezhova
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  2. N. A. Zakharov
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  3. E. M. Koval’
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  4. V. T. Kalinnikov
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Original Russian Text © Zh.A. Ezhova, N.A. Zakharov, E.M. Koval’, V.T. Kalinnikov, 2013, published in Zhurnal Neorganicheskoi Khimii, 2013, Vol. 58, No. 3, pp. 316–320.

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Ezhova, Z.A., Zakharov, N.A., Koval’, E.M. et al. Synthesis and physicochemical characterization of nanocomposites of calcium hydroxylapatite-chitosan-multiwall carbon nanotubes. Russ. J. Inorg. Chem. 58, 269–273 (2013). https://doi.org/10.1134/S0036023613030066

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  • DOI: https://doi.org/10.1134/S0036023613030066

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