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Vol. 25 No. 9 (2013): Vol 25 Issue 9

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Effect of Naphthyridine-Like Structure in Polyacrylonitrile Stabilized Fibers on the Modulus of Carbon Fibers

https://doi.org/10.14233/ajchem.2013.14132
Chun Zhao
National Carbon Fiber Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Aijun Gao
National Carbon Fiber Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Kai Wang
National Carbon Fiber Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Lingqiang Kong
National Carbon Fiber Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Lianghua Xu
National Carbon Fiber Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, P.R. China

Corresponding Author(s) : Aijun Gao

gaoij@yahoo.com.cn

Asian Journal of Chemistry, Vol. 25 No. 9 (2013): Vol 25 Issue 9

Abstract

Correlation between naphthyridine-like structures of polyacrylonitrile stabilized fibers and modulus of carbon fibers was investigated. It was found that naphthyridine-like structures, which is a kind of characteristics structure in the polyacrylonitrile stabilized fibers, influence the modulus of carbon fibers. The naphthyriding-like structures can convert to graphite layers, which induce the degree of graphitization and crystallite size to improve, so the more the naphthyriding-like structures form in the polyacrylonitrile stabilized fibers, the higher the modulus of carbon fibers is.

Keywords

Polyacrylonitrile fiber Stabilization Naphthyridine-like structure Modulus
Zhao, C., Gao, A., Wang, K., Kong, L., & Xu, L. (2013). Effect of Naphthyridine-Like Structure in Polyacrylonitrile Stabilized Fibers on the Modulus of Carbon Fibers. Asian Journal of Chemistry, 25(9), 4878–4880. https://doi.org/10.14233/ajchem.2013.14132
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