Tg, Density and X-ray Diffraction of Zinc-doped Bioactive Glasses with Molar Formulation: 20.15[(2.038+x)SiO2-(1.457-x)Na2O]-2.6P2O5-26.905CaO-0.045ZnO System

Asian Journal of Physical and Chemical Sciences Pub Date : 2024-04-12 DOI:10.9734/ajopacs/2024/v12i1218

A. Kouyaté, M’Bouillé Cissé, Koffi Jean-Paul Bohoussou, Kanvaly Bamba, M. A. Tigori, P. Niamien, Albert Trokourey, B. Dongui, B. Dibi

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Abstract

In the present work, glasses with molar composition 20.15[(2.038+x)SiO2-(1.457-x)Na2O]-2.6P2O5-26.905CaO-0.045ZnO were studied in order to contribute to the application of thermal analysis methods to the characterization of zinc-doped bioactive glasses. The aim is to provide answers to the expectations of practitioners before in vitro or in vivo tests on the physicochemical properties of these zinc doped bioactive glasses. Samples were produced by high temperature melting followed by quenching. The samples were characterized by X-Ray Diffraction (XRD), Differential Scanning Calorimetry (DSC) and pycnometry. The results show that the samples are amorphous, and the values for vitreous transition temperature and density are of the same order of magnitude as those for the system without addition of ZnO. Consequently, it appears that the addition of 0.045 % mol of ZnO to the base glass does not significantly alter the physicochemical and structural properties of the glass.

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摩尔配方为 20.15[(2.038+x)SiO2-(1.457-x)Na2O]-2.6P2O5-26.905CaO-0.045ZnO 体系的掺锌生物活性玻璃的 Tg、密度和 X 射线衍射

本研究对摩尔组成为 20.15[(2.038+x)SiO2-(1.457-x)Na2O]-2.6P2O5-26.905CaO-0.045ZnO的玻璃进行了研究，以促进热分析方法在掺锌生物活性玻璃表征中的应用。目的是在对这些掺锌生物活性玻璃的理化特性进行体外或体内测试之前，为从业人员的期望提供答案。样品通过高温熔化后淬火制得。样品通过 X 射线衍射 (XRD)、差示扫描量热 (DSC) 和温度计进行表征。结果表明，样品是无定形的，玻璃体转变温度和密度的值与未添加氧化锌的系统的值处于同一数量级。因此，在基底玻璃中添加 0.045 % mol 氧化锌似乎不会显著改变玻璃的物理化学和结构特性。

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Asian Journal of Physical and Chemical Sciences

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