Fabrication of P2O5-CaO-Na2O Glasses Doped with Zinc Oxide for Artificial Bone Applications
| Autor: | Tawee Tunkasiri, Gobwute Rujijanagul, Sukum Eitssayeam, Kamonpan Pengpat, Anocha Munpakdee, Sutatip Thonglem |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Materials science
General Engineering Analytical chemistry Infrared spectroscopy Mineralogy chemistry.chemical_element Zinc Porous glass Apatite law.invention chemistry law Differential thermal analysis visual_art visual_art.visual_art_medium Crystallization Fourier transform infrared spectroscopy Glass transition |
| Zdroj: | Advanced Materials Research. 506:509-512 |
| ISSN: | 1662-8985 |
| Popis: | The purpose of this work was to study the effect of ZnO on properties of P2O5-CaO-Na2O glass system for bone substituting applications. The glass formula used in this study is 45P2O5- (30-x)CaO - 25Na2O - xZnO where x = 0, 1 , 3, and 5 mol%. The corresponding glasses were prepared by conventional glass melting technique at 1000 °C for 1 h. Thermal parameters of each glass were studied by differential thermal analysis (DTA). These glasses were investigated in terms of infrared spectra and in vitro bioactivity. DTA results gave the glass transition temperatures in a range 227-280°C and crystallization temperatures in the range 521-529°C. Form FTIR results, the infrared spectra of all glass samples showed vibrations of phosphate network and the transmittance intensity of glass systems decreased with increasing ZnO content. All glass samples were exhibited the growth of apatite cells at the surface after immersed in SBF for 7 days. The optimum composition was found for the glass samples containing 5 mol% ZnO which contained the most apatite layer formation. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|