Preparation and characterization of carboxyl functionalized multiwall carbon nanotubes–hydroxyapatite composites

In this article the experiments are described concerning the preparation conditions and the properties of multiwall –COOH functionalized carbon nanotube (fMWCNT)/hydroxyapatite and silica substituted hydroxyapatite composites. During the experiments the products were compared from several synthesis methods and the one with the highest homogeneity was established. The optimal fMWCNT content of the composites was also determined by analyzing the specific surface area and the particle size. The specific characteristics of the composites were defined by crystallinity, thermal stability, morphology and in vitro behavior studies, in order to correlate the preparation parameters to the possible applications.