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无机材料学报

无机材料学报

• 研究论文 • 上一篇    下一篇

纳米ZrO2水悬浮液稳定性的研究

杨静漪; 李理; 蔺玉胜; 杨丰科; 侯耀永   

  1. 青岛化工学院高技术陶瓷研究室; 青岛市266042; 清华大学新型陶瓷与精细工艺国家重点实验室; 北京 100084
  • 收稿日期:1996-09-16 修回日期:1996-12-09 出版日期:1997-10-20 网络出版日期:1997-10-20

A Study on Stability of Nano-ZrO2 Aqueous Suspension

YANG Jingyi; LIN Yusheng; YANG Fengke; HOU Yaoyong   

  1. Qingdo Institute of Chemical Technology Qingdao 266042 China; State Key Lab of New Ceramic and Fine Processes Qinghua University Beijing 100084 China
  • Received:1996-09-16 Revised:1996-12-09 Published:1997-10-20 Online:1997-10-20

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摘要： 本文选用纳米粉ZrO2，分别采用单一静电稳定机制、加入PEG的空间位阻稳定机制和加入PMAA－NH4的电空间稳定机制制备成2vol％的ZrO2水悬浮液，通过Zeta电位、沉降实验和粘度测定及粒度分析等手段，最终分别得到了酸性和碱性条件下的高分散、高稳定的ZrO2水悬浮液．

关键词: ZrO2水悬浮液, 静电稳定, 空间位阻稳定, 电空间稳定

Abstract: 2vol% nano-ZrO2 aqueous suspensions were obtained by different colloidal stabilization mech-anism including single-electrostatic, steric (by PEG) and electrosteric (by PMAA-NH4). These suspensions were studied by means of Zeta potential measurements. Sedimentation experiments viscosity measurements and particle-size analysis etc. At last, we obstained that the highly dis-persed and stabilized nano-ZrO2 aqueous suspensions in acid condition and in alkaline condition.

Key words: zirconia aqueous suspension, electrostatic stabilization, steric stabilization, electrosteric stabilization