電気泳動法と熱処理によるマクロポーラス水酸アパタイトセラミック膜の作製と評価(<ゲストエディターによる特集>周期空間と相互作用する新しいセラミックスのマテリアルデザインとプロセッシング)

概要

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A macroporous hydroxyapatite ceramic coating was fabricated on a titanium substrate by an electrophoretic deposition (EPD) process followed by a heat treatment in order to obtain high performance bioactive porous hydroxyapatite. The key of this EPD process is a formation of composite particles by using a heterocoaguration reaction, consisting of hydroxyapatite ceramic nanoparticles for the ceramic frame material and monodisperse polystyrene polymer microspheres for template component, in a suspension. Microstructure of the porous ceramic coating layer depends on electrophoretic deposition parameters, and on heat treatment conditions. Under the optimized fabrication conditions, the hydroxyapatite ceramic coating layer with well-controlled macroporous structure was obtained. In vitro examination using a simulated body fluid revealed a good biocompatibility of the macroporous specimen.
社団法人日本セラミックス協会の論文
2006-01-01