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Doklady Chemistry

, Volume 483, Issue 1, pp 287–291 | Cite as

Cellulose Nitrates from Unconventional Feedstocks

  • G. V. Sakovich
  • Yu. M. Mikhailov
  • V. V. BudaevaEmail author
  • A. A. Korchagina
  • Yu. A. Gismatulina
  • N. V. Kozyrev
CHEMICAL TECHNOLOGY
  • 28 Downloads

Abstract

Samples of technical-grade cellulose isolated by nitric acid technique from unconventional feedstocks (oat hulls, Miscanthus, and intermediate flax straw) have been treated for the first time with a sulfuric acid–nitric acid mixture to give cellulose nitrates with a nitrogen content of 12.04–12.26%, viscosity 10–14 mPa s, and a solubility in an alcohol–ether mixture of at least 98%, which corresponds to industrial lacquer-purpose high-viscosity colloxylin and N-grade colloxylin. It has been confirmed by IR spectroscopy and differential scanning colorimetry that the cellulose nitrates from unconventional feedstocks correspond to industrial colloxylins in terms of the key absorption bands (1650–1635, 1279–1276, 831–825, 746, 687–672 cm–1), thermal degradation onset temperature (about 200°C), and specific heat of decomposition (6.28–7.54 kJ/g).

Notes

ACKNOWLEDGMENTS

This work was supported by the Presidium of the Russian Academy of Sciences (program of basic research no. 56 “Fundamentals of Break-Through Technologies for National Security,” project no. 0385–2018–0015).

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • G. V. Sakovich
    • 1
  • Yu. M. Mikhailov
    • 2
  • V. V. Budaeva
    • 1
    Email author
  • A. A. Korchagina
    • 1
  • Yu. A. Gismatulina
    • 1
  • N. V. Kozyrev
    • 1
  1. 1.Institute for Problems of Chemical and Energetic Technologies, Siberian Branch, Russian Academy of SciencesBiyskRussia
  2. 2.Institute of Problems of Chemical Physics, Russian Academy of SciencesChernogolovkaRussia

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