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Study on the Surface Modification of Nano-TiO2

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Abstract:

KH550 modified ZnO/TiO2 was prepared. The surface of nano-TiO2 was coated with ZnO derived from Na2Zn(OH)4 via a heterogeneous nucleation process, and coupling agent KH550 was used to treat the surface of ZnO/TiO2. Transmission electron microscopy (TEM), X-ray powder diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy and Optical contact angle measuring instrument were used to characterize the effect of surface modification. The results showed that the surface of nano-TiO2 was coated by ZnO nanoparticles; After modified by the KH550, the modified ZnO/TiO2 showed better dispersion in water-toluene solution; and the surface of modified ZnO/TiO2 became more hydrophobic-lipophilic than that of modified uncoated nano-TiO2.

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Periodical:

Advanced Materials Research (Volumes 641-642)

Pages:

529-533

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.641-642.529

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Online since:

January 2013

Authors:

Dong Mei Zhao, Gui Min Qian, Shan Yun, Qian Qian Song, Dong Hai Zhu, Wu Li

Keywords:

Hydrophobic-Lipophilic, Modification, Nano-TiO2, Zinc Oxide (ZnO)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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