Preparation of Porous Hydroxyapatite Using Extrusion of PAN
In this study, porous hydroxyapatite (HAp) bodies were prepared by the simple process. We fabricated porous fibers consisting of polyacrylonitrile (PAN) and HAp by an extrusion method of the mixture of PAN and HAp in dimethylformamide (DMF) solution. Fibers obtained by this extrusion method were chopped and molded. Subsequently, these compactions from chopped fibers consisting of HAp and PAN were sintered at various temperatures in air atmosphere. The sintered HAp bodies had high porosity and a number of pores with diameter some hundreds μm. These porous HAp bodies can be used as a scaffold in the body.
T. Ohji, T. Sekino and K. Niihara
M. Ohta et al., "Preparation of Porous Hydroxyapatite Using Extrusion of PAN", Key Engineering Materials, Vols. 317-318, pp. 765-768, 2006