Polymer Science Series D

, Volume 8, Issue 3, pp 175–180 | Cite as

A study of the chemical structure of the surface of carbon fibers before and after oxidation

Article

Abstract

Treatment of carbon fibers of different brands was carried out using gas phase thermal oxidation. It was found that microstructures of amorphous carbon, edges of graphite-like packs, and graphene ribbons in fibrils with uncompensated valence changed at oxidation. Paramagnetic absorption of carbon fibers was investigated. It was established experimentally that the paramagnetic susceptibility centers of carbon fibers and centers, where adsorption of methanol and krypton molecules takes place, are identical. It was shown that the highest concentration of paramagnetic centers and the highest strength of adhesive interaction were obtained for carbon-fiber-reinforced plastic based on carbon fiber of Elur-0.1P brand.

Keywords

carbon fiber thermal oxidation paramagnetic centers oxygen-containing functional groups 

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  1. 1.Bauman Moscow State Technical UniversityMoscowRussia
  2. 2.Semenov Institute of Chemical PhysicsRussian Academy of SciencesMoscowRussia

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