γ射线引发马来酸酐接枝改性多壁碳纳米管

Modification of multi-walled carbon nanotubes by γ-ray initiated grafting with maleic anhydrid

研究了利用高能俺线引发碳纳米管与马来酸酐发生接枝反应，从而达到改性碳纳米管的目的,并利用红外光谱、热重等手段对实验结果进行了表征,结果表明，通过这种方法碳纳米管表面接枝上了有机基团，随着辐照剂量增大接枝上的有机基团量增加，改性后的碳纳米管在水和有机溶剂中的分散性明显增强。

Multi-walled carbon nanotubes（MWNTs） were grafted with maleic anhydride by energetic 7-rays initiation, thereby the properties of MWNTs were modified. The samples were characterized by FTIR, TG and so on. The results show that this method can enable MWNTs to be grafted with organic groups on their surface, the quantity of the grafting increased with the increasing of irradiation dose, and the dispersibility of MWNTs in water and some organic solvents was obviously enhanced.