Electrochemical modification of the carbon fiber surface

Technological process for electrochemical modification of the surface of carbon fibers was developed. This process makes it possible to raise by 20% the tensile strength of a carbon-fiber-reinforced composite material based on these fibers as compared with the strength of composite materials with un...

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Bibliographic Details
Published in:Russian journal of applied chemistry 2015-07, Vol.88 (7), p.1150-1156
Main Authors: Grigoryan, N. S., Gubanov, A. A., Vagramyan, T. A., Korshak, Yu. V.
Format: Article
Language:English
Subjects:
Applied Electrochemistry and Corrosion Protection of Metals
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Industrial Chemistry/Chemical Engineering
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Summary:Technological process for electrochemical modification of the surface of carbon fibers was developed. This process makes it possible to raise by 20% the tensile strength of a carbon-fiber-reinforced composite material based on these fibers as compared with the strength of composite materials with untreated carbon fibers. It is shown that an anodic treatment of a carbon fiber in an aqueous solution of aniline or pyrrole results in that oxidative polymerization occurs on its surface to give polyaniline or polypyrrole, which improves the strength of composite materials based on this carbon fiber.
ISSN:1070-4272
1608-3296
DOI:10.1134/S1070427215070083