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Glass and Ceramics

, Volume 76, Issue 7–8, pp 315–320 | Cite as

Sol-Gel Production and Properties of Spherical Biomaterials for the System TiO2–SiO2 /CaO

  • L. P. Borilo
  • V. V. Kozik
  • E. S. LyutovaEmail author
  • V. V. Zharkova
  • A. S. Brichkov
BIOMATERIALS
  • 6 Downloads

The physicochemical properties of the carboxylic cationite Tokem-200 and the sulfo-cationite Tokem-140 as well as their Ca2+-ion selectivity under equilibrium conditions were investigated and Tokem-200 based biomaterials of spherical form were synthesized from solutions by the sol-gel method. The material frame is represented by TiO2–SiO2; the inner part is filled with the oxide Ca2+ (sample TiO2–SiO2 /CaO). Unlike Tokem-140, the carboxylic cationite Tokem-200 possesses the highest Ca2+-ion selectivity, which makes it promising for the development of biomaterials. The solutions were found to remain suitable for up to 5 days for obtaining materials. To obtain a homogeneous material stepped heat-treatment is required (after drying at 60°C) at 150, 250, and 350°C (30 min at each step) and at 600°C for 6 h. Additional post-drying immersion of the samples into phosphoric acid does not favorably affect the properties of the material.

Key words

oxides synthesis sol-gel method film-forming solution (FFS) composite material spherical material 

Notes

This work was performed as part of the state task No. 10.2281.2017_PCh.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • L. P. Borilo
    • 1
  • V. V. Kozik
    • 1
  • E. S. Lyutova
    • 1
    Email author
  • V. V. Zharkova
    • 1
  • A. S. Brichkov
    • 1
  1. 1.National Research Tomsk State UniversityTomskRussia

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