Research on Surface Modification of Nano-TiO2

Xi Hai Hao; Ying Zhe Xiao

doi:10.4028/www.scientific.net/AMR.941-944.487

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 941-944Research on Surface Modification of Nano-TiO2

Research on Surface Modification of Nano-TiO₂

Abstract:

Different surfactants such as Triethanolamine, Sodium dodecyl sulfate (SDS), and Polyvinylpyrrolidone (PVP) are applied in surface modification of nanoTiO₂. The dispersion of nanopowder processed with different surfactants in water is evaluated using settlement method, in order to make more even composite films. The result shows that dispersion effect will be better when Triethanolamine is combined with the other two types of surfactants than only single type of surfactant is used. The best surfactant for dispersing nanoTiO₂ is the mixture of Triethanolamine and Sodium dodecyl sulfate with mass ratio of 2:1 and 30% of surfactant amount; the experiment condition is set as both stirring and ultrasound times are 15 minutes, the initial settlement time of nanoTiO₂ is set as 2.5 hours, and the total settlement time is set as more than 120 hours.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

487-491

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.487

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Online since:

June 2014

Authors:

Xi Hai Hao*, Ying Zhe Xiao

Keywords:

Nano-TiO₂, Surface Modification, Surfactant

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