Surface Modification of Carbon Fibers by Low-Temperature Plasma with Runaway Electrons for Manufacturing PEEK-Based Laminates.

However, for the distinct peaks (C-H, rocking vibrations, 728 cm −1 ; C-O, stretching vibrations, 1019–1121 cm −1 ; C-O, bending vibrations, 1265 cm −1 ; C=O, stretching vibrations, at 1723 cm −1 ; C-H, stretching vibrations, at 2965 cm −1 ), there was a pronounced trend on decreasing their intensity with enlarging the DRE–plasma exposure time.

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