Surface modification of nano-TiN by using silane coupling agent

被引：15
|
作者：
Cheng, Guojun [1 ,2 ]
Luo, Jiaqi [1 ]
Qian, Jiasheng [1 ]
Miao, Jibin [1 ]
机构：
[1] Anhui Univ, Sch Chem & Chem Engn, Hefei 230039, Peoples R China
[2] Anhui Uniers Sci & Technol, Sch Mat Sci & Engn, Huainan 232001, Peoples R China
来源：
MATERIALS SCIENCE-POLAND | 2014年 / 32卷 / 02期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
nano titanium nitride; silane coupling agents; surface modification; dispersion; TITANIUM NITRIDE; NANOCOMPOSITES; TIO2; NANOCRYSTALS; DISPERSION; COATINGS; XPS;
D O I：
10.2478/s13536-013-0175-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Titanium nitride (TiN) nano-particles were subjected to graft modification by silane coupling agent (KH-570) via a direct blending method. The hydroxyl groups on the surface of TiN nano-particles can interact with silanol groups [-Si-OCH3] of KH-570 forming an organic coating layer. The covalent bonds (Ti-O-Si) formation was testified by Fourier transform infrared spectra (FTIR) and X-ray photoelectron spectroscopy (XPS). Through transmission electron micrograph (TEM) observations, it was found that KH-570 could improve the dispersibility of nano-TiN particles in ethyl acetate. Thermo gravimetric analysis (TGA) and contact angle measurements indicated that KH-570 molecules were adsorbed or anchored on the surface of nano-TiN particle and the net efficiency of it was 22.76 %, which facilitated to hinder the aggregation of nano-TiN particles.
引用
收藏
页码：214 / 219
页数：6
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