Comparative study on preparing carbon fibers based on PAN precursors with different comonomers

Zhang Wangxi; Liu Jie

doi:10.1007/BF02861463

Journal of Wuhan University of Technology Materials Science Edition ›› 2006, Vol. 21 ›› Issue (1) : 26 -28. DOI: 10.1007/BF02861463

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Comparative study on preparing carbon fibers based on PAN precursors with different comonomers

Zhang Wangxi ¹^,^a
, Liu Jie ¹

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Abstract

Two different PAN precursors with various comonomers were wet-spun. The properties and structural changes of PAN precursors and their evolution during preoxidation and carbonization process were characterized by the use of DSC, FTIR and traditional parameters, e g, tensile strength. It is demonstrated that acrylamide (AAM) is very effective to make the DSC peak be separated compared to methyl acrylate(MA). As a result, carbon fibers developed from AAM-contained precursors have a better tenacity compared to those developed from MA-contained ones.

Keywords

carbon fibers / polyacrylonitrile precursors / structure and properties

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Zhang Wangxi, Liu Jie. Comparative study on preparing carbon fibers based on PAN precursors with different comonomers. Journal of Wuhan University of Technology Materials Science Edition, 2006, 21(1): 26-28 DOI:10.1007/BF02861463

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