Cellulose-Derived Carbon Fibers Produced via a Continuous Carbonization Process: Investigating Precursor Choice and Carbonization Conditions

Research output: Contribution to journalArticleScientificpeer-review

Researchers

Research units

  • Deakin University

Abstract

Here, the carbonization of two Lyocell type regenerated cellulose fibres is reported. Commercially available Lyocell as well as the experimental Lyocell type fibre known as Ioncell-F spun from the ionic liquid 1,5-diazabicyclo[4.3.0]non-5-ene-1-ium acetate ([DBNH]OAc) is investigated, which supports higher draw ratio and thus improves precursor mechanical properties. Lyocell fibres are known to have improved mechanical properties over other regenerated cellulose fibres and are therefore considered to be better carbon fibre precursor candidates. The Lyocell fibres used in this study are carbonized utilizing a scaled down identical replica of an in use carbon fibre line. The importance of this is the ability to assess the performance of the Lyocell fibres under more realistic continuous carbonization processing conditions. The tensile properties, morphology, and chemical composition of all fibres are determined. It is shown that by changing the carbonization temperature and atmosphere fibres with different mechanical properties and diameter can be produced. Elemental analysis confirms that each fibre has a carbon content of ≥90%.

Details

Original languageEnglish
Pages (from-to)2517-2524
JournalMacromolecular Chemistry and Physics
Volume217
Issue number22
Early online date14 Jul 2016
Publication statusPublished - Nov 2016
MoE publication typeA1 Journal article-refereed

    Research areas

  • Carbon fibres, Continuous carbonization, Lyocell cellulose, Nanoindentation

ID: 6776185