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Surface modification of nano-TiN by using silane coupling agent Cover

Surface modification of nano-TiN by using silane coupling agent

Open Access
|Jul 2014

Abstract

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.

DOI: https://doi.org/10.2478/s13536-013-0175-8 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
Language: English
Page range: 214 - 219
Published on: Jul 22, 2014
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2014 Guojun Cheng, Jiaqi Luo, Jiasheng Qian, Jibin Miao, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.