Abstract
Grafting of fluoropolymer onto multi-walled carbon nanotube (MWCNTs) powder by CF4 plasma treatment was investigated in this study. In order to achieve a uniform treatment of powder, a rotating barrel was designed and fixed between the two discharge electrodes. The influence of various plasma parameters, such as power and treatment time, on the fluorination of MWCNT surface was systematically analyzed by X-ray photoelectron spectroscopy (XPS), Fourier transformed infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The results revealed that a successful fluorination of MWCNT powder with a maximum of fluorine content of 12% could be achieved by using our plasma equipment. Our work provides a new way for the homogeneous fluorination of MWCNT powder and is valuable for industrial production.
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