Citation:
JIANG Limei, ZOU Xiangyu, WEI Qinlei, SONG Qiong, DENG Shuang, ZHANG Hongbo, SU Chunhui. Preparation and Properties of Fluorine Containing CaO-P2O5-SiO2-Na2O-B2O3 Glass-ceramics[J]. Chinese Journal of Applied Chemistry,
;2015, 32(4): 442-446.
doi:
10.11944/j.issn.1000-0518.2015.04.140235
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By partially substituting of CaO with CaF2,in CaO-P2O5-SiO2-Na2O-B2O3glass-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.
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Keywords:
- sol-gel method,
- CaF2,
- glass-ceramics,
- biological activity
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