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Preparation method of SiO2-ZrO2 composite nano powder
The invention provides a preparation method of SiO2-ZrO2 composite nano powder, and belongs to the technical field of nano composite materials. The preparation method comprises the following specificpreparation steps: firstly, preparing zirconium oxide sol by taking zirconium oxychloride, hexamethylenetetramine and polyethylene glycol as raw materials; preparing an ethyl silicate ethanol solutionfrom ethyl silicate and absolute ethyl alcohol, slowly adding zirconium oxide sol into the ethyl silicate ethanol solution, fully stirring the liquid to obtain silicon oxide zirconium oxide gel, andfinally drying and sintering the gel to prepare the SiO2 composite ZrO2 nano-powder. The preparation method of the nano composite powder is simple and convenient, raw materials are easy to obtain, thesintering temperature can be reduced, energy consumption is reduced, and high-temperature phase change is inhibited. The nano composite powder has wide application prospects in the fields of specialrefractory materials, catalysis and the like.
本发明提供了一种SiO2复合ZrO2纳米粉体的制备方法，属于纳米复合材料技术领域。具体的制备步骤为首先以氯氧化锆，六次甲基四胺和聚乙二醇为原料制备氧化锆溶胶；以硅酸乙酯和无水乙醇制得硅酸乙酯乙醇溶液，然后将氧化锆溶胶缓慢加入到硅酸乙酯乙醇溶液中充分搅拌得到氧化硅‑氧化锆凝胶，最后将凝胶通过干燥、烧结制备出SiO2复合ZrO2纳米粉体。该纳米复合粉体制备方法简便，原料易得，并且能够降低烧结温度，减少能耗，抑制高温相变，在特种耐火材料和催化等领域具有广泛应用前景。
Preparation method of SiO2-ZrO2 composite nano powder
The invention provides a preparation method of SiO2-ZrO2 composite nano powder, and belongs to the technical field of nano composite materials. The preparation method comprises the following specificpreparation steps: firstly, preparing zirconium oxide sol by taking zirconium oxychloride, hexamethylenetetramine and polyethylene glycol as raw materials; preparing an ethyl silicate ethanol solutionfrom ethyl silicate and absolute ethyl alcohol, slowly adding zirconium oxide sol into the ethyl silicate ethanol solution, fully stirring the liquid to obtain silicon oxide zirconium oxide gel, andfinally drying and sintering the gel to prepare the SiO2 composite ZrO2 nano-powder. The preparation method of the nano composite powder is simple and convenient, raw materials are easy to obtain, thesintering temperature can be reduced, energy consumption is reduced, and high-temperature phase change is inhibited. The nano composite powder has wide application prospects in the fields of specialrefractory materials, catalysis and the like.
本发明提供了一种SiO2复合ZrO2纳米粉体的制备方法，属于纳米复合材料技术领域。具体的制备步骤为首先以氯氧化锆，六次甲基四胺和聚乙二醇为原料制备氧化锆溶胶；以硅酸乙酯和无水乙醇制得硅酸乙酯乙醇溶液，然后将氧化锆溶胶缓慢加入到硅酸乙酯乙醇溶液中充分搅拌得到氧化硅‑氧化锆凝胶，最后将凝胶通过干燥、烧结制备出SiO2复合ZrO2纳米粉体。该纳米复合粉体制备方法简便，原料易得，并且能够降低烧结温度，减少能耗，抑制高温相变，在特种耐火材料和催化等领域具有广泛应用前景。
Preparation method of SiO2-ZrO2 composite nano powder
一种SiO2复合ZrO2纳米粉体的制备方法
LIU SHIKAI (author) / CHEN YINGXIN (author) / JIA KUNLUN (author) / SUN YAGUANG (author)
2020-12-18
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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