Mechanisms of char production from oxidized cellulose

F.J. Norton, G.D. Love, A.J. Mackinnon, P.J. Hall

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)596-600
Number of pages4
JournalJournal of Materials Science
Volume30
Issue number3
DOIs
Publication statusPublished - 1 Feb 1995

Keywords

  • carbon
  • wood
  • char
  • oxidized cellulose

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