Control of β-Tricalcium Phosphate Formation in Macroporous Phosphate Glass-Ceramic Composites

DOI Web Site Web Site 被引用文献1件 参考文献28件
  • Obata Akiko
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • Sasaki Megumi
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
  • Kasuga Toshihiro
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology

書誌事項

タイトル別名
  • Control of β-Tricalcium Phosphate Formation in Macroporous Phosphate Glass-Ceramic Composites
  • Control of ベータ Tricalcium Phosphate Formation in Macroporous Phosphate Glass Ceramic Composites

この論文をさがす

抄録

A macroporous phosphate invert glass-ceramic (PIGC) was derived from the mother glass with a composition of 60CaO-30P2O5-3TiO2-7Na2O in mol%. The mother glass powders were coated on a polymer sponge skeleton and subsequently sintered at 850°C for 1 h through burning off the sponge, resulting in the preparation of macroporous PIGC. The resulting macroporous PIGC consists predominantly of β-tricalcium phosphate (β-TCP) and β-calcium pyrophosphate and has large-sized pores of 300–1000 μm in diameter and small-sized pores of several tens micrometer in diameter. A new type of composite containing a large amount of β-TCP was also prepared by heating the mixture of the mother glass powders with Ca(OH)2 at 800°C for 1 h. The amount of β-TCP in the crystalline phase of the composites increased with increasing the Ca(OH)2 amount. The β-TCP-containing glass-ceramic composites can be prepared by firing at a considerably lower temperature than a conventional β-TCP ceramics. The amount of β-TCP in the composites is controllable by variation of the Ca(OH)2 amount. The composites showed higher solubility in an acetic acid solution at 37°C with an initial pH value of 5.0 in comparison with PIGC. The solubility of one of the composites was comparable with that of pure β-TCP. The composites are expected to be applicable for biodegradable scaffold for bone tissue engineering.

収録刊行物

被引用文献 (1)*注記

もっと見る

参考文献 (28)*注記

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ