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Open AccessArticle

Mechanical, Microstructure and Surface Characterizations of Carbon Fibers Prepared from Cellulose after Liquefying and Curing

College of Packaging & Printing Engineering, Tianjin University of Science & Technology, Tianjin 300222, China
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Materials 2014, 7(1), 75-84; https://doi.org/10.3390/ma7010075
Received: 11 November 2013 / Revised: 5 December 2013 / Accepted: 13 December 2013 / Published: 20 December 2013
(This article belongs to the Special Issue Carbon Fibers)
In this study, Cellulose-based carbon fibers (CBCFs) were prepared from cellulose after phenol liquefaction and curing. The characteristics and properties of CBCFs were examined by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). The results showed that, with increasing carbonization temperature, the La, Lc, and Lc/d(002) of CBCFs increased gradually, whereas the degree of disorder R decreased. The –OH, –CH2–, –O–C– and phenyl group characteristic absorption peaks of CBCFs reduced gradually. The cross-linked structure of CBCFs was converted into a graphite structure with a six-ring carbon network during carbonization. The surface of CBCFs were mainly comprised of C–C, C–O, and C=O. The tensile strength, carbonization yield and carbon content of CBCFs obtained at 1000 °C were 1015 MPa, 52%, and 95.04%, respectively. View Full-Text
Keywords: cellulose; carbon fibers; surface characterization; mechanical properties; microstructure cellulose; carbon fibers; surface characterization; mechanical properties; microstructure
MDPI and ACS Style

Ma, X.; Yuan, C.; Liu, X. Mechanical, Microstructure and Surface Characterizations of Carbon Fibers Prepared from Cellulose after Liquefying and Curing. Materials 2014, 7, 75-84.

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