The influence of supercritical carbon dioxide parameters on cellulose acetylization and properties of cellulose acetates

Abstract

The possibility of cellulose diacetate production by direct acetylation of sulfite pulp with acetic anhydride in supercritical carbon dioxide (SC CO2) is demonstrated. Optimum acetic anhydride to cellulose ratio and parameters of SC CO2 are selected.

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Correspondence to A. D. Ivakhnov.

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Original Russian Text © A.D. Ivakhnov, T.E. Skrebets, K.G. Bogolitsyn, 2012, published in Sverkhkriticheskie Flyuidy: Teoriya i Praktika, 2012, Vol. 7, No. 4, pp. 82–87.

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Ivakhnov, A.D., Skrebets, T.E. & Bogolitsyn, K.G. The influence of supercritical carbon dioxide parameters on cellulose acetylization and properties of cellulose acetates. Russ. J. Phys. Chem. B 7, 885–888 (2013). https://doi.org/10.1134/S1990793113070087

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Keywords

  • supercritical fluids
  • cellulose
  • acetylation
  • cellulose diacetate
  • acetic anhydride
  • process parameters