纳米氧化锌的表面改性研究

石油化工高等学校学报 ›› 2009, Vol. 22 ›› Issue (2): 5-8.

纳米氧化锌的表面改性研究

周莉, 臧树良, 胡秀英

辽宁石油化工大学化学与材料科学学院，辽宁抚顺 113001

收稿日期:2008-12-01 修回日期:2009-03-03 出版日期:2009-06-25 发布日期:2009-06-25
作者简介:周莉(1970 -), 女, 辽宁抚顺市, 副教授, 博士
基金资助:
国家自然科学基金资助项目(50174015)

Surface Modification of Nano － ZnO

School of Chemistry and Material Science, Liaoning University of Petroleum and Chemical Technology, Fushun Liaoning 113001,P.R.China

Received:2008-12-01 Revised:2009-03-03 Published:2009-06-25 Online:2009-06-25

摘要/Abstract

摘要： 用铝酸酯偶联剂改性纳米ZnO，并与钛酸酯和硅烷偶联剂进行比较。结果表明，铝酸酯偶联剂对纳米氧化锌的改性效果略优于钛酸酯偶联剂，而二者均优于硅烷偶联剂。其最佳工艺条件为：偶联剂质量分数为 1%，反应温度为 100℃，反应时间为 30 min，超声时间为 20 min。此工艺条件下，亲油化度可达到70 .37%，吸水率达到4 .79%；纳米ZnO与偶联剂发生充分的作用，引入了偶联剂的相应基团；改性后的纳米ZnO明显改善了分散状态。

关键词: 纳米氧化锌 , 表面改性 , 铝酸酯偶联剂 , 亲油化度 , 吸水率

Abstract:

Surface of nano-ZnO was modified by the aluminate, then compared with titanate and silane coupling agent respectively. The results show that the effect of aluminate is slight better than titanate, the effect of aluminate and titanate is better than silane coupling agent. Using aluminate coupling agent to modify the nano-ZnO, the optimal experiment condition is as below: coupling agent amout is 1%, reaction temperature is 100 ℃, reaction time is 30 min, ultrasonic time is 20 min. Under the condition, the oil-affinity degree and water-sorption percent are 70.37% and 4.79% respectively. The corresponding groups of the coupling agent are introduced to the sufficient function between the nano-ZnO and couping agent. The dispersing properties of the modified nano-ZnO are improved markedly. 

Key words: Nano－ZnO , Surface modification , Aluminate coupling agent , Degree of oil－affinity , Percent of water－sorption

周莉, 臧树良, 胡秀英. 纳米氧化锌的表面改性研究[J]. 石油化工高等学校学报, 2009, 22(2): 5-8.

ZHOU Li， ZANG Shu-liang, HU Xiu-ying. Surface Modification of Nano － ZnO[J]. Journal of Petrochemical Universities, 2009, 22(2): 5-8.