| 熔融法制备纳米SiO_2颗粒 |
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| 引用本文： | 周微,任媛媛,韩建军,赵修建.熔融法制备纳米SiO_2颗粒[J].武汉理工大学学报,2011(2). |
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| 作者姓名： | 周微 任媛媛 韩建军 赵修建 |
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| 作者单位： | 武汉理工大学硅酸盐材料工程教育部重点实验室; |
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| 基金项目： | 国家自然科学基金(50302007); 武汉市青年科技晨光计划(20055003059-7) |
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| 摘 要： | 介绍了以Na2O-B2O3-SiO2玻璃为原料,采用熔融法制备钠硼硅玻璃,并通过对钠硼硅玻璃的组分,熔制温度的讨论,以及对热处理,酸浸析等后处理过程工艺参数进行调节,得到制得纳米SiO2颗粒的最优化条件。采用差示扫描量热法对热处理前的钠硼硅玻璃进行测试,用X射线衍射分析对不同温度热处理的钠硼硅进行测试,用场发射扫描电子显微镜对酸浸析后二氧化硅颗粒形貌进行表征,并对最佳的工艺条件进行了讨论。制得的SiO2颗粒粒径范围为60～100 nm,并具有比表面积大、分散性好、成本低等优点。
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| 关 键 词： | 熔融法 纳米SiO2颗粒 制备 |
Preparation of Nano-SiO_2 Using Melting Method |
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| ZHOU Wei,REN Yuan-yuan,HAN Jian-jun,ZHAO Xiu-jian.Preparation of Nano-SiO_2 Using Melting Method[J].Journal of Wuhan University of Technology,2011(2). |
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| Authors: | ZHOU Wei REN Yuan-yuan HAN Jian-jun ZHAO Xiu-jian |
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| Affiliation: | ZHOU Wei,REN Yuan-yuan,HAN Jian-jun,ZHAO Xiu-jian (Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070,China) |
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| Abstract: | Preparation of SiO2 nanoparticles through Na2O-B2O3-SiO2 glasses prepared by melting method has been introduced in this paper.Meanwhile,glass composition,melting temperature,heat treatment and acid leaching has been discussed to get optimized condition for the preparation of SiO2 nanoparticles.Samples have been characterized by differential scanning calorimetry(DSC),X-ray diffraction(XRD) and field-emission scaning electron microscopy(FE-SEM) to investigate glass structure,particle size and surface morpholo... |
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| Keywords: | melting method silica nanoparticles preparation |
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