Journal
CARBON LETTERS
Volume 16, Issue 1, Pages 11-18Publisher
SPRINGER
DOI: 10.5714/CL.2015.16.1.011
Keywords
carbon fibers; polyacrylonitrile; electron beam; gamma-ray; ultra-violet; plasma
Funding
- Carbon Valley Project of the Ministry of Trade, Industry and Energy, Korea
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The process of oxidizing polyacrylonitrile (PAN)-based carbon fibers converts them into an infusible and non-flammable state prior to carbonization. This represents one of the most important stages in determining the mechanical properties of the final carbon fibers, but the most commonly used methods, such as thermal treatment (200 degrees C to 300 degrees C), tend to waste a great deal of process time, money, and energy. There is therefore a need to develop more advanced oxidation methods for PAN precursor fibers. In this review, we assess the viability of electron beam, gamma-ray, ultra-violet, and plasma treatments with a view to advancing these areas of research and their industrial application.
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