Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 49, Issue 1, Pages 20-23Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602550903283000
Keywords
Carbon fiber; Contact angle; DBD; TPB
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Funding
- Shanghai Education Commission [09YZ449]
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Dielectric barrier discharges (DBD) in ambient air are used on carbon fiber to improve the fiber surface activity. Carbon fibers with length of 75 mu m are placed into the plasma configuration. The interaction between modified carbon fibers and polystyrene was studied by the three-point bending (TPB) test. The chemical and physical changes induced by the treatments on carbon fiber surface are examined using contact angle measurements and X-ray photoelectron spectroscopy (XPS). Contact angles of the plasma-treated carbon fiber and XPS results reveal that the carbon fibers modified with the DBD at an atmospheric pressure show a significant increase in oxygen and nitrogen concentration. These results demonstrate that the surfaces of the carbon fiber are more active, hydrophilic after plasma treatments using a DBD operating in ambient air.
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