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Structuring, morphology, and thermomechanical properties of nanocomposites formed from ternary polyelectrolyte-metal complexes based on pectin, polyethyleneimine, and CuSO4

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Abstract

The structures and properties of ternary polyelectrolyte-metal complexes obtained from a stoichiometric polyelectrolyte complex based on the weak polyelectrolytes pectin and polyethyleneimine and the salt CuSO4 and from nanocomposites formed on their basis have been studied with the use of a range of structural techniques and thermomechanical analysis. Nanocomposites based on the stoichiometric polyelectrolyte complex and Cu/Cu2O nanoparticles are formed as a result of the chemical reduction of Cu2+ cations by NaBH4 in the ternary metal-polyelectrolyte complexes, and the full structural appearance of the metal Cu phase is observed at a BH −4 -to-Cu2+ molar ratio of 6. The chemical reduction of Cu2+ cations is shown to occur with the formation of the nanocomposite with nanoparticles of only the metallic Cu phase in ternary polyelectrolyte-metal complexes subjected to a constant magnetic field.

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Authors and Affiliations

  1. Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine, Khar’kovskoe sh. 48, Kyiv, 02160, Ukraine

    V. L. Demchenko & V. I. Shtompel’

Authors
  1. V. L. Demchenko
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  2. V. I. Shtompel’
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Correspondence to V. L. Demchenko.

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Original Russian Text © V.L. Demchenko, V.I. Shtompel’, 2014, published in Russian in Vysokomolekulyarnye Soedineniya, Ser. B, 2014, Vol. 56, No. 6, pp. 584–592.

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Demchenko, V.L., Shtompel’, V.I. Structuring, morphology, and thermomechanical properties of nanocomposites formed from ternary polyelectrolyte-metal complexes based on pectin, polyethyleneimine, and CuSO4 . Polym. Sci. Ser. B 56, 927–934 (2014). https://doi.org/10.1134/S1560090414060049

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  • DOI: https://doi.org/10.1134/S1560090414060049

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