Surface modification of nano-TiN by using silane coupling agent

被引：16

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

页码：214 / 219

页数：6

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