What is it about?
With the aim of enhancing the carbonization efficiency, we have prepared polyacrylonitrile (PAN) based precursor materials doped with high aspect-ratio cellulose nanofibers (CNF) derived from Australian spinifex grass (T. pungens). This was achieved by systematically investigating the rheology and electrospinning properties of composite fibers of PAN and CNF prepared at various CNF concentration levels and subsequently stabilized and carbonized.
Why is it important?
The energy requirements for the production of high-quality carbon fiber and other carbon-based materials made by carbonization is a key factor limiting the commercial application of these materials. In this study, upon carbonization, the incorporation of CNF into the PAN precursor led to changes in the crystallite and graphitic structure of the carbon materials, and these changes found to be closely related to the CNF concentration.
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This page is a summary of: Cellulose Nanofibers as Rheology Modifiers and Enhancers of Carbonization Efficiency in Polyacrylonitrile, ACS Sustainable Chemistry & Engineering, March 2017, American Chemical Society (ACS), DOI: 10.1021/acssuschemeng.6b03144.
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