A Facial Route for Preparation of Hydrophobic Nano-Silica Modified by Silane Coupling Agents

Jian Hui Luo; Yuan Yang Li; Ping Mei Wang; Bi Bo Xia; Li Peng He; Bo Wen Yang; Bo Jiang

doi:10.4028/www.scientific.net/KEM.727.353

Paper Titles

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A Facial Route for Preparation of Hydrophobic Nano-Silica Modified by Silane Coupling Agents
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 727A Facial Route for Preparation of Hydrophobic...

A Facial Route for Preparation of Hydrophobic Nano-Silica Modified by Silane Coupling Agents

Abstract:

Nano-silica was prepared using tetraethylorthosilicate (TEOS) as precursor by sol-gel technology based on stÖber method. These silica nanoparticals were further modified with silane coupling agents, i.e., Hexadecyltrimethoxysilane (HDTMS), dimethoxydiphenylsilane (DMMPS), to introduce organic functional groups on the surface of SiO₂ nanoparticles. The Fourier transform-infrared (FTIR) spectra indicated that these silane coupling agents were anchored on the surface of silica particles. And the obtained organic–inorganic hybrid SiO₂ particles showed an improvement in hydrophobicity, which can effectively inhibit these silica particles from aggregating.

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Periodical:

Key Engineering Materials (Volume 727)

Pages:

353-358

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.727.353

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Online since:

January 2017

Authors:

Jian Hui Luo, Yuan Yang Li, Ping Mei Wang, Bi Bo Xia, Li Peng He, Bo Wen Yang, Bo Jiang*

Keywords:

Hydrophobic, Silane Coupling Agent, Silica, Sol-Gel

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