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Fibre Chemistry

, Volume 46, Issue 3, pp 147–150 | Cite as

Supramolecular Structure of Chitosan Acid-Hydrolysis Products

  • S. V. Levitin
  • L. S. Gal’braikh
  • Yu. B. Grunin
  • D. S. Masas
Article
  • 79 Downloads

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.

Keywords

Chitosan Supramolecular Structure Polyacrylic Acid Spin Relaxation Time Sodium Tripolyphosphate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • S. V. Levitin
    • 1
  • L. S. Gal’braikh
    • 1
  • Yu. B. Grunin
    • 2
  • D. S. Masas
    • 2
  1. 1.Moscow State University of Design and TechnologyMoscowRussia
  2. 2.Volga State University of TechnologyYoshkar-OlaRussia

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