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Supramolecular Structure of Chitosan Acid-Hydrolysis Products

The supramolecular structure of chitosan acid-hydrolysis products was studied using NMR spectroscopy. Their principal characteristics (specific surface area, average crystallite size, and degree of crystallinity) were determined using data calculated from the free-induction decay signal followed by Fourier transformation for samples prepared by homogeneous acid hydrolysis and heterogeneous acid ethanolysis of chitosan. It was shown that nanocrystalline chitosan was produced under the given conditions upon precipitation of the products from homogeneous acid-catalyzed destruction.

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Translated from Khimicheskie Volokna, No. 3, pp. 8-11, May—June, 2014.

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Levitin, S.V., Gal’braikh, L.S., Grunin, Y.B. et al. Supramolecular Structure of Chitosan Acid-Hydrolysis Products. Fibre Chem 46, 147–150 (2014). https://doi.org/10.1007/s10692-014-9579-4

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  • DOI: https://doi.org/10.1007/s10692-014-9579-4

Keywords

  • Chitosan
  • Supramolecular Structure
  • Polyacrylic Acid
  • Spin Relaxation Time
  • Sodium Tripolyphosphate