Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 25, Issue 10, Pages 987-990Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400055
Keywords
carbon nanotubes; dispersions; electrochemistry; electropolymerization; surfaces
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Multi-walled carbon nanotubes (MWNTs) ha been successfully modified with polyacrylonitrile (PAN) a cathodic electrochemical process. The surface-modified MWNTs afforded are then dispersible in good solvents PAN, such as N,N-dimethylformamide (DMF). Collect from a dilute dispersion, these MWNTs are essentially disentangled, as confirmed by transmission electron microscopy (TEM) analysis. From the differential scanning calorimetry (DSC) traces for polyacrylonitrile and polyacrylonitrile-grafted MWNTs, the maximum grafting ratio is estimated at 0.28.
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