软模板法制备六瓣状氧化铝微米片

材料导报

2021, Vol. 35

Issue (z2): 68-71

无机非金属及其复合材料

软模板法制备六瓣状氧化铝微米片

张凯¹, 高本征², 龚旻², 罗波², 范锦鹏¹

1 北京理工大学先进结构技术研究院,北京 102488
2 中国运载火箭技术研究院,北京 100076

Preparation of Hexapetalous Alumina Microsheet by Soft Template Method

ZHANG Kai¹, GAO Benzheng², GONG Min², LUO Bo², FAN Jinpeng¹

1 Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 102488, China
2 China Academy of Launch Vehicle Technology, Beijing 100076, China

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摘要以Al₂(SO₄)₃作为铝源,利用P123与乙二醇作为软模板,通过调控Al₂(SO₄)₃浓度和溶剂热反应时间合成了具有六瓣状结构的水合氢离子明矾石微米片。产物经800 ℃高温处理后得到六瓣状结构氧化铝微米片。实验结果表明,在Al₂(SO₄)₃浓度为0.4 mol/L,反应时间为6 h条件下得到的六瓣状结构水合氢离子明矾石形貌较好,片层直径约为5.5 μm,厚度约为1.6 μm,且经过800 ℃处理后仍能保持完整的六瓣状结构。X射线衍射分析结果表明,800 ℃处理后所得到的产物为γ-Al₂O₃。

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关键词: 六瓣状结构微米片软模板 γ-Al₂O₃

Abstract: Al₂(SO₄)₃ was used as aluminum source, P123 and ethylene glycol were used as soft template, Al₂(SO₄)₃ concentration and solvothermal reaction time were controlled to synthesize hydride alunite microsheet with hexapetalous structure. The experimental results show that under the conditions of Al₂(SO₄)₃ concentration 0.4 mol/L and reaction time 6 h, the morphology of the hexapetalous structure of hydrated ion alunite is optimal. The diameter and the thickness of particle is respectively about 5.5 μm and 1.6 μm. The hexapetalous structure can still remain intact with 800 ℃ treatment. X-ray diffraction analysis results show that the product is γ-Al₂O₃ with 800 ℃ treatment.

Key words: hexapetalous microsheet soft template γ-Al₂O₃

发布日期: 2021-12-09

ZTFLH:

TB321

基金资助: 国家自然科学基金(51872029)

通讯作者: fanjp@bit.edu.cn

作者简介: 张凯,北京理工大学 2019 级博士研究生。现今主要从事陶瓷材料方向的研究。
范锦鹏,北京理工大学教授,博士研究生导师。2001年毕业于清华大学机械工程及自动化专业,2006年获清华大学材料科学与工程博士学位。长期从事先进多功能复合材料研究与开发工作,承担国家自然科学基金、国防863、总装先进材料、应用开发等多项科研任务,授权发明专利20余项,研究成果成功应用于多个型号装备,获得国防科技进步一等奖2项,2014年入选万人计划青年拔尖人才。

引用本文:

张凯, 高本征, 龚旻, 罗波, 范锦鹏. 软模板法制备六瓣状氧化铝微米片[J]. 材料导报, 2021, 35(z2): 68-71.
ZHANG Kai, GAO Benzheng, GONG Min, LUO Bo, FAN Jinpeng. Preparation of Hexapetalous Alumina Microsheet by Soft Template Method. Materials Reports, 2021, 35(z2): 68-71.

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http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2021/V35/Iz2/68

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