Research on the surface modified and dispersion of nano-ATO powders
The surface of nano-ATO powders was modified by using Titanate coupling agent and Stearate as modifier. The modification results were characterized by laser particle size analysis, FTIR, XRD, TEM, sedimentation coefficient and activation index. The effects of modifying conditions, including the temperature, reaction time ,amount of modifier and coupling agent, powder pretreatment proceess ,the modification results were researched. The modification mechanism were also studied. The results showed the condition of Titanate coupling agent and Stearate mixed by 1:3，then mixed modifier with ATO by1:3, under 140℃ with Xylene Returnning for 5h was the optimized parametersthe .Under these condition the modified powder could significantly improve the dispersion ability in 26＃ mine-oil ,and possess the performance of small particle size and low agglomerate ability.
nano-ATO powder surface modification agglomerate dispersant Activation
周存 程博闻 郑帼 张霄凌
天津工业大学材料化工学院;天津市纺织纤维界面处理技术工程中心 天津 300160 天津工业大学材料化工学院
国际会议
成都
英文
2007-11-19（万方平台首次上网日期，不代表论文的发表时间）