纳米TiO₂在纤维素溶液中的分散性能

纳米TiO 2 在纤维素溶液中的分散性能 Dispersion of Nano-TiO 2 in the Cellulose Solution 武军 WU Jun 1 first-author 陈维冬 CHEN Weidong 1 郭志斌 GUO Zhibin 1 杨永刚 YANG Yonggang 1 贾静儒 JIA Jingru 1 曾凤彩 ZENG Fengcai 1 北京印刷学院印刷包装材料与技术北京市重点实验室 北京印刷学院印刷包装材料与技术北京市重点实验室 Beijing Area Major Laboratory of Material and Technology of Printing and Packaging,Beijing Institute of Graphic Communication Beijing Area Major Laboratory of Material and Technology of Printing and Packaging,Beijing Institute of Graphic Communication 通过沉降法与透光率法研究了分散剂、分散时间、体系pH值等条件对表面改性的TiO2纳米粉体（平均粒径21 nm）在纤维素溶液中分散行为的影响,得出纳米TiO2在纤维素溶液中均匀分散的最佳条件和参数.结果表明,在pH 10.0,固液比1.5∶100,加入乙二醇作分散剂,分散时间为30 min时,体系分散效果最佳. This article has emphatically studied the influence of different dispersing agents,dispersing time and pH values on the dispersion behavior of the 21 nm TiO2 in the cellulose solution.The results show that the best dispersion can be acquired under the conditions as follows: pH 10.0,ethylene glycol as the dispersant,solid-liquid ratio 1.5∶100,and 30 min dispersion time. 纳米TiO2 表面改性 纤维素溶液 均匀分散 nano-TiO2 surface modification cellulose solution uniform dispersion TB383.1 北京市自然科学基金资助项目（2063026） 2008-04-01 2021-04-01 4