Study on Porous Bioglass Scaffold Prepared by Dipping with Polymer Foams

doi:10.3724/SP.J.1077.2009.00280

Abstract

Abstract: The porous bioglass scaffolds with high porosity and interconnectivity and controllable pore size were prepared by using the powder of sol-gel derived bioactive glass-58S as the material and the pre-produced polymer foam as the template. The apparent porosity, crystalline phases, micromorphologies and bioactivity were investigated by using Archimedes drainage method, X-ray Diffraction (XRD), Scan emission Microscope (SEM) and Fourier Transform Infrared Spectroscope (FTIR) techniques. The results show that the apparent porosity of the porous scaffolds can reach about 93% when the materials are dipped once, while the apparent porosity decreases to 80% after dipped twice. The originally formed amorphousphosphorus compounds on the surface of samples are mineralized to hydroxyl-carbonate-apatite (HCA) with increasing dipping time in the SBF solution as the reaction progressed. So it can be concluded that this kind of material has good biomineralization property and bioactivity in SBF solution at the constant temperature of 37℃.

Key words: bioactive glass, organic foam impregnation, porous scaffold, hydroxyl-carbonate-apatite (HCA)

CLC Number:

R318

TQ171

XIE Lin,CHEN Xiao-Feng,ZHAO Na-Ru,GUO Chang-Liang. Study on Porous Bioglass Scaffold Prepared by Dipping with Polymer Foams[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2009.00280.

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