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The Synthesis of Solvent-Free TiO2 Nanofluids through Surface Modification

Author(s): P. Y. Yu | Y. P. Zheng | L. Lan

Journal: Soft Nanoscience Letters
ISSN 2160-0600

Volume: 01;
Issue: 02;
Start page: 46;
Date: 2011;
Original page

Keywords: Solvent-Free | Nanofulids | TiO2 Nanoparticles | Liquid-Like Behave

TiO2 nanoparticles with surface hydroxyl groups are treated by trimethoxysilane (CH3O)3Si(CH2)3O(CH2CH2O)6-9CH3 and a inorganic core/organic shell hybridmaterials, which shows itself a yellow viscous fluid, is obtained. We call it solvent-free TiO2 nanofliuds. Transmission electron microscopy (TEM), Fourier transform infrared spectrum (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and rheometer are adopted to characterize the product. As a result, the content of TiO2 nanoparticles in the nanofliuds is about 5.5wt%, the functionalized TiO2 nanoparticles possess better dispersion, very low viscosity and an obvious liquid-like behavior at room temperature in absence of solvent.
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