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Materials 2014, 7(1), 75-84; doi:10.3390/ma7010075
Article

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

* ,
 and
College of Packaging & Printing Engineering, Tianjin University of Science & Technology, Tianjin 300222, China
* Author to whom correspondence should be addressed.
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)
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Abstract

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.
Keywords: cellulose; carbon fibers; surface characterization; mechanical properties; microstructure cellulose; carbon fibers; surface characterization; mechanical properties; microstructure
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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