Mechanisms of char production from oxidized cellulose

Norton, F.J. and Love, G.D. and Mackinnon, A.J. and Hall, P.J. (1995) Mechanisms of char production from oxidized cellulose. Journal of Materials Science, 30 (3). pp. 596-600. ISSN 0022-2461 (http://dx.doi.org/10.1007/BF00356316)

Abstract

A multi-technique approach, incorporating nuclear magnetic resonance (NMR), elemental analysis, differential scanning calorimetry (DSC), thermogravimetric analysis and surface area determination, has been used to investigate the formation of chars by oxidized cellulose. It was found that oxidation of the cellulose tends to increase the surface area of the resulting char. NMR, elemental analysis and DSC show how cellulose oxidation tends to increase aromaticity and cross-linking. This, in turn, decreases diffusion rates of volatiles out of the oxidized cellulose during pyrolysis, giving denser carbons and higher BET surface areas.

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• Item metadata

  Item type:	Article
  ID code:	17664
  Dates:	Date Event 1 February 1995 Published
  Subjects:	Technology > Chemical engineering
  Department:	Faculty of Engineering > Chemical and Process Engineering
  Depositing user:	Strathprints Administrator
  Date deposited:	07 May 2010 09:59
  Last modified:	11 Nov 2024 09:15
  URI:	https://strathprints.strath.ac.uk/id/eprint/17664