Influence of oxyfluorination on physicochemical characteristics of carbon fibers and their reinforced epoxy composites | Zendy

Min-Kang Seo | Zendy; SooJin Park | Zendy

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Influence of oxyfluorination on physicochemical characteristics of carbon fibers and their reinforced epoxy composites

Author(s) -

Min-Kang Seo,

SooJin Park

Publication year - 2009

Publication title -

macromolecular research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.491

H-Index - 49

eISSN - 2092-7673

pISSN - 1598-5032

DOI - 10.1007/bf03218885

Subject(s) - materials science , epoxy , nanochemistry , composite material , carbon fibers , composite number , nanotechnology

The effect of oxyfluorination temperature on the surface properties of carbon fibers and their reinforced epoxy composites was investigated. Infrared (IR) spectroscopy results for the oxyfluorinated carbon fibers revealed carboxyl/ester (C=O) and hydroxyl (O−H) groups at 1632 and 3450 cm-1, respectively, and that the oxyfluorinated carbon fibers had a higher O-H peak intensity than that of the fluorinated ones. X-ray photoelectron spectroscopy (XPS) results indicated that after oxyfluorination, graphitic carbon was the major carbon functional component on the carbon fiber surfaces, while other functional groups present were C−O, C=O, HO−C=O, and C−Fx. These components improved the impact properties of oxyfluorinated carbon fibers-reinforced epoxy composites by improving the interfacial adhesion between the carbon fibers and the epoxy matrix resins.

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