期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 40, 期 7, 页码 1039-1045出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01932691.2018.1496828
关键词
Colloids; dispersions; nanoparticles; titanium dioxide
资金
- Tecnologico Nacional de Mexico [6044.17-P]
In this work, we show evidence of improving the dispersion of titanium dioxide particles in water. This is observed in the titanium dioxide-water colloid by the shear-thinning flow behavior in rheological measurements induced by the functionalization of a glutaric acid layer on the surface of titanium dioxide particles. The characterization of the layer was achieved by using infrared spectroscopy and (13) C nuclear magnetic resonance. Rheological measurements corroborated that functionalization of TiO2 particles decreases the rheological properties such as viscosity measurements at a constant shear rate in two orders of magnitude compared with the pure TiO2 in suspensions. We present the results as a novel strategy to limit the formation of agglomerates in these colloidal suspensions, and this will be of great use in applications in the paints field and printing technologies. [GRAPHICS] .
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