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Growth of Calcium Phosphate Layers on TiO2–SiO2–P2O5/CaO and TiO2–SiO2–P2O5/La2O3 Bioactive Composites

  • 期刊论文

  • 发表日期：

    2024年5月1日

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  • V. A. Tkachuk,
  • E. S. Lyutova,
  • L. P. Borilo,
  • L. N. Spivakova,
  • A. A. Buzaev

摘要

Abstract—

We have studied the properties of a divinylbenzene-matrix carboxylic ion exchanger with respect to calcium and lanthanum(III) ions. Tokem-250 cation exchanger-based TiO2–SiO2–P2O5/CaO and TiO2–SiO2–P2O5/La2O3 composites have been prepared by a sol–gel process, and we have identified the key features of the phase formation process involved and the physicochemical properties of the synthesized materials. The results demonstrate that a calcium phosphate layer can be formed on the surface of the TiO2–SiO2–P2O5/CaO and TiO2–SiO2–P2O5/La2O3 materials in simulated body fluid.