期刊
POLYMER DEGRADATION AND STABILITY
卷 186, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2021.109536
关键词
Textile grade PAN; Stabilization; Carbonization; Carbon Fibers
资金
- Australian Research Council for the ARC DECRA Fellowship [DE17010124]
This study attempted to produce low cost carbon fibers using textile grade polyacrylonitrile (Tex-PAN) fibers, and found that the tensile properties of carbon fibers from Tex-PAN were comparable with those of commercial PAN fibers. Tex-PAN precursor fibers may be an indispensable candidate for low cost carbon fiber production.
We made an attempt to produce low cost carbon fibers using textile grade polyacrylonitrile (Tex-PAN) fibers. Here, we examined fibers collected from each zone of the stabilization and carbonization furnaces and mechanical and physical properties were measured with the aim to evaluate their chemical stability and final properties. Thermal studies revealed a cyclization peak at 308 degrees C and an extent of reaction of 66.2% after stabilization process. The apparent crystallite size after carbonization was determined by X-ray diffraction and it was found to be smaller in Tex-PAN fibers than commercial PAN fibers. Raman spectroscopy confirmed the development of the graphitic structures within the carbon fibers produced from Tex-PAN. Interestingly, the tensile properties (3.25 GPa) of carbon fibers from Tex-PAN fibers were found to be comparable with those of commercial PAN fibers. Precursor fibers take more than half of total production cost for producing carbon fibers (CFs), Tex-PAN precursor can be an indispensable candidate for low cost CF production. (C) 2021 Elsevier Ltd. All rights reserved.
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