摘要
目的:探究新型立方相和四方相混相牙科修复氧化锆纳米材料制备条件的参数控制和机理。方法:以氯氧化锆和氧化钇为原料,氨水为沉淀剂,通过水热法制备混相氧化锆纳米材料。利用合成温度(140℃~260℃)、合成时间(2~6 h)、酸碱度(pH 3~10)和钇离子(0~30%mol)掺杂控制立方相和四方相混相氧化锆材料的合成,采用粉末X射线衍射仪和拉曼光谱分析仪对所制备氧化锆纳米材料进行表征。结果:水热法制备立方相和四方相混相牙科氧化锆纳米材料时参数条件为中性条件下合成温度180℃,合成时间4 h,钇离子掺杂量在5%~10%mol之间,获得的新型氧化锆混相前驱体纳米材料的混相和不同晶相的质量分数符合,既具机械强度又具有美观表征的要求。结论:建议应用本研究获得的参数制备立方相和四方相混相牙科氧化锆纳米材料。
Objective:To investigate the parameter control of preparation conditions of new cubic and tetragonal phase mixed dental repair zirconia nanomaterial.Methods:Miscible zirconia nanomaterial was prepared by hydrothermal method using zirconia and yttrium oxide as the raw materials and ammonia as the precipitant.The synthesis of cubic and tetragonal mixed zirconia material was controlled by synthesis temperature(140℃~260℃),synthesis time(2~6 h),pH(3~10)and yttrium ion(0~30%mol)doping respectively.The prepared zirconia nanomaterials were characterized by powder X-ray diffractometer and Raman spectrum analyzer.Results:By the parameters of hydrothermal preparation of cubic and tetragonal mixed dental zirconia nanomaterial with the synthesis temperature of 180℃,the synthesis time of 4 h,and the doping amount of yttrium ion of 5%mol and 10%mol,the obtained products showed the miscible and mass fraction of different crystalline phase were in accordance with the requirments for stronger mechanical strength and better aestheti effect of the material.Conclusion:A new type of miscible precursor zirconia nanomaterial with appropriate mechanical strength and aesthetic effect can be obtained using the optimum preparation parameters.
作者
陈春霞
张亚东
柯研
阳桂芳
余华
赵丽娟
CHEN Chunxia;ZHANG Yadong;KE Yan;YANG Guifang;YU Hua;ZHAO Lijuan(Department I of Prosthodontics,Tianjin Stomatological Hospital,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction,300041,China;School of Medicine,Nankai University,Tianjin;Key Laboratory of Weak-Light Nonlinear Photo-nics,Ministry of Education,School of Physics,Nankai University,Tianjin)
出处
《实用口腔医学杂志》
CAS
CSCD
北大核心
2023年第4期433-438,共6页
Journal of Practical Stomatology
基金
国家自然科学基金(面上项目)(编号:11574164)
弱光非线性光子学教育部重点实验室开放基金(编号:OS20-3)。
关键词
牙科修复材料
水热法
X射线衍射
钇离子掺杂
Dental restoration materials
Hydrothermal method
X-ray diffraction
Yttrium ion doping
