无机材料学报

• 研究论文 • 上一篇    下一篇

无团聚纳米氧化锆的制备及应用

酒金婷1; 葛钥1; 张涑戎1; 李立平1; 屠凡1; 朱鹤孙2   

  1. 1. 北京服装学院材料工程系, 北京 100029; 2. 北京理工大学材料中心, 北京 100081
  • 收稿日期:2000-10-09 修回日期:2000-11-20 出版日期:2001-09-20 网络出版日期:2001-09-20

Preparation and Application of Agglomeration-Free and Nanoparticles Zirconia

JIU Jin-Ting1; GE Yue1; ZHANG Shu-Rong1; LI Li-Ping1; TU Fan1; ZHU He-Sun 2   

  1. 1. Department of Material and Engineering; Beijing Institute of Clothing Technology; Beijing 100029; Chine; 2. Center for Research on Materials Science; Beijing Institute of Technology; Beijing 100081, China
  • Received:2000-10-09 Revised:2000-11-20 Published:2001-09-20 Online:2001-09-20

摘要: 采用高分子表面修饰-共沸蒸馏工艺成功地制备了纳米氧化锆微粒;合成过程中高 分子的空间位阻作用阻碍了前驱体颗粒的长大,通过与正丁醇的共沸蒸馏有效地脱除了前驱体 内的水分,在颗粒表面形成了正丁醇分子的包裹结构,在随后的干燥过程中避免了颗粒间形成 强化学键,获得了平均粒径在20nm的无团聚的纳米微粒.纳米氧化锆微粒加入到润滑脂中能 明显改善后者的耐磨性能.

关键词: 纳米氧化锆, 表面修饰, 共沸蒸馏, 耐磨性能

Abstract: Zirconia with average crystalline size of 20nm, regular spherical particle and agglomera-tion free was successfully fabricated by surface modification of polymer
and heterogeneous azeotropic distillation process. The space obstruct of polymer limits the growth of precursor. The distillation effectively dehydrates hydrous
zirconia, which makes butanol molecular substituting water surround the precursor particle. The process prevents the formation of hard agglomerates between zirconia
moleculars. When nanoparticles zirconia added, the antifriction properties of 932 lubricating oil can be improved.

Key words: zirconia powder, surface modification, azeotropic distillation, antifriction properties

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