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Raw materials & technologies, Raw materials, Coatings pigments

Titaniumdioxide easily dispersed in water and cyclohexane

Monday, 20 August 2012

Amphilic brookite Titaniumdioxide with a higher UV irridation investigated for photocatalytic coatings.

Soluble in water and also cyclohexane - the latest research for Titaniumdioxide

Source: ACS

Soluble in water and also cyclohexane - the latest research for Titaniumdioxide

Source: ACS

Ken-ichi Katsumata, Tokyo Institute of Technology, Japan and colleagues from Tokai University and Kumamoto University synthesised brookite TiO2 nanoparticles with amphiphilic properties with a water-soluble titanium glycolate complex precursor. To realise this they used an oleate-modified hydrothermal growth process.

Comparison with commercial Titaniumdioxide

The 20–40 nm TiO2 nanoparticles were highly dispersible in both water and cyclohexane. The researchers found out that the activity of the brookite nanoparticles for the degradation of acetaldehyde under UV irradiation was higher than that of Degussa "P-25 TiO2" powder. A spin-coated brookite film prepared on a polyimide substrate exhibited photoinduced hydrophilicity.

Thus, these synthesised brookite nanoparticles could be applied as a photocatalytic coating solution.

The whole research was published in the ACS Applied Material Interfaces, August 2012.

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