4-(1,1,3,3-四甲基)-丁基-2-羟基苯甲酸表面改性纳米TiO_2的研究  

Preparation and Study of TiO2 Nanoparticles Surface-Modified with 4-(1,1,3,3-4Methyl)-Butyl-2-Hydroxyl-Benzoic Acid

作　　者：潘卉[1] 胡宾[2] 肖莎莎[2] 陈金亮[2] 

机构地区：[1]河南大学化学化工学院,河南开封475004 [2]河南大学特种功能材料实验室,河南开封475004

出　　处：《河南大学学报（自然科学版）》2011年第5期469-472,共4页Journal of Henan University:Natural Science

基　　金：河南省教育厅自然科学研究指导计划项目(2009B150004)

摘　　要：4-(1,1,3,3-四甲基)-丁基-2-羟基苯甲酸(C8SA)对纳米TiO2微粒进行了表面改性.通过高分辨透射电子显微镜(HRTEM)、傅立叶红外光谱仪(FT-IR)和热分析仪(TG-DTA)等技术手段对TiO2/C8SA进行了分析表征,结果证明C8SA成功修饰在纳米TiO2表面.采用四球摩擦磨损试验机考察了TiO2/C8SA作为润滑油添加剂在液体石蜡中的减摩抗磨行为,TiO2/C8SA纳米微粒对钢-钢摩擦副表现出较好的减摩抗磨作用.TiO2 nanoparticles surface-modified with 4-（1,1,3,3-4methyl）-butyl-2-hydroxyl-benzoic（TiO2/C8SA） were synthesized.The nanoparticles were characterized by high resolution transmission electron microscope（HRTEM）,Fourier transformation infrared ray（FT-IR）,and differential thermal analysis（DTA）.The experiment result showed that C8SA was successfully modified to the surface of TiO2 nanoparticles.The tribological properties of TiO2/C8SA nanoparticles in liquid paraffin were evaluated with a four-ball tester.As the results,the TiO2/C8SA nanoparticles as the additive in paraffin liquid were effective in improving the antiwear and friction-reducing behavior of the paraffin liquid.

关 键 词：纳米TIO2 表面改性 4-(1 1 3 3-四甲基)-丁基-2-羟基苯甲酸 

分 类 号：O625.51[理学—有机化学]