含氟CaO-P2O5-SiO2-Na2O-B2O3玻璃陶瓷的制备及性能表征

doi:10.11944/j.issn.1000-0518.2015.04.140235

摘要/Abstract

摘要：

采用溶胶-凝胶法制备CaO-P₂O₅-SiO₂-Na₂O-B₂O₃体系前驱体粉末,用CaF₂替代部分CaO再次制备前驱体粉末。通过TG-DSC分析确定结晶温度为865 ℃,经过热处理获得主晶相为Na₆Ca₃Si₆O₁₈的玻璃陶瓷。通过X射线衍射(XRD)、傅里叶红外光谱(FTIR)、扫描电子显微镜(SEM)等技术手段及体外生物活性实验分析玻璃陶瓷的显微结构及性能。结果表明,CaF₂的加入能提高玻璃陶瓷的体积密度、抗折强度和弹性模量,并且不会破坏玻璃陶瓷的生物活性。

关键词: 溶胶-凝胶法, CaF₂, 玻璃陶瓷, 生物活性

Abstract:

By partially substituting of CaO with CaF₂, in CaO-P₂O₅-SiO₂-Na₂O-B₂O₃ glass-ceramic system a new precursor powder was prepared by the sol-gel method. Its crystallization temperature was determined by TG-DSC at 865 ℃. The main crystal phase of the glass-ceramics is Na₆Ca₃Si₆O₁₈. The microstructures and properties of this glass-ceramics were characterized by X-ray diffractometry (XRD), Fourier transform infrared spectroscopy(FTIR), scanning electron microscopy(SEM) and in vitro assays. By addition of CaF₂, the volume density, bending strength and microhardness of the glass-ceramics are significantly improved, but the bioiogical activity of the glass-ceramics is maintained.

Key words: sol-gel method, CaF₂, glass-ceramics, biological activity

中图分类号:

O611.4

江莉梅, 邹翔宇, 韦钦磊, 宋琼, 邓爽, 张洪波, 苏春辉. 含氟CaO-P₂O₅-SiO₂-Na₂O-B₂O₃玻璃陶瓷的制备及性能表征[J]. 应用化学, 2015, 32(4): 442-446.

JIANG Limeia, ZOU Xiangyua, WEI Qinleia, SONG Qionga, c, DENG Shuanga, ZHANG Hongboa, , SU Chunhuia, b. Preparation and Properties of Fluorine Containing CaO-P₂O₅-SiO₂-Na₂O-B₂O₃ Glass-ceramics[J]. Chinese Journal of Applied Chemistry, 2015, 32(4): 442-446.

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含氟CaO-P₂O₅-SiO₂-Na₂O-B₂O₃玻璃陶瓷的制备及性能表征

Preparation and Properties of Fluorine Containing CaO-P₂O₅-SiO₂-Na₂O-B₂O₃ Glass-ceramics

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