壳聚糖共价接枝碳纳米管/羟基磷灰石骨组织工程材料的制备及表征

In this paper, a novel chitosan-grafted multiwalled carbon nanotubes/hydroxyapatite (CS-MWNTs/HA) composites were prepared through covalently grafting CS onto the surfaces of MWNTs and in-situ precipitation method. Fourier transform infrared spectroscopy analysis showed that CS was covalently grafted onto MWNTs. The addition of MWNTs can make the CS-MWNTs/HA composites resist significantly higher stress and greatly influenced the morphology of inorganic particles. The inorganic particles exhibited as nanosized rods with uniform particle size.The studies show that the stress of the composites was improved by the addition of MWNTs and the effect of good interfacial bonding between MWNTs and CS through covalent modification.