کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
610811 | 880659 | 2009 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Surface characteristics of carbon fibers modified by direct oxyfluorination Surface characteristics of carbon fibers modified by direct oxyfluorination](/preview/png/610811.png)
The effect of oxyfluorinated conditions on the surface characteristics of carbon fibers was investigated. Infrared (IR) spectroscopy results indicated that the oxyfluorinated carbon fibers showed carboxyl/ester groups (CO) at 1632 cm−1 and hydroxyl groups (OH) at 3450 cm−1 and had a higher OH peak intensity than that of the fluorinated ones. X-ray photoelectron spectroscopy (XPS) results for the fibers also showed that oxyfluorination introduced a much higher oxygen concentration onto the fiber surfaces than fluorination with F2 only. Additionally, contact-angle results showed that the surface was better wetted by following oxyfluorination and that the polarity of the surface was increased by increasing the oxyfluorination temperature.
XPS wide-scan spectra of oxyfluorinated carbon fiber specimens as a function of oxyfluorination condition.Figure optionsDownload as PowerPoint slide
Journal: Journal of Colloid and Interface Science - Volume 330, Issue 1, 1 February 2009, Pages 237–242