UV-stable paper coated with APTES-modified P25 TiO2 nanoparticles

Cheng, Fei; Sajedin, Seyed Mani; Kelly, Stephen M.; Lee, Adam F. and Kornherr, Andreas (2014). UV-stable paper coated with APTES-modified P25 TiO2 nanoparticles. Carbohydrate Polymers, 114 , pp. 246-252.

Abstract

In order to inhibit the photocatalytic degradation of organic material supports induced by small titania (TiO2) nanoparticles, highly photocatalytically active, commercially available P25-TiO2 nanoparticles were first modified with a thin layer of (3-aminopropyl) triethoxysilane (APTES), which were then deposited and fixed onto the surface of paper samples via a simple, dip-coating process in water at room temperature. The resultant APTES-modified P25 TiO2 nanoparticle-coated paper samples exhibit much greater stability to UV-illumination than uncoated blank reference paper. Very little, or no, photo-degradation in terms of brightness and whiteness, respectively, of the P25-TiO2-nanoparticle-treated paper is observed. There are many other potential applications for this Green Chemistry approach to protect cellulosic fibres from UV-bleaching in sunlight and to protect their whiteness and maintain their brightness.

Publication DOI: https://doi.org/10.1016/j.carbpol.2014.07.076
Divisions: Engineering & Applied Sciences > Chemical engineering & applied chemistry
Engineering & Applied Sciences > European Bioenergy Research Institute (EBRI)
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Additional Information: © 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ Funding: European Union Seventh Framework Programme (FP7/2007-2013) for financial support under Grant Agreement Number 214653 (SURFUNCELL project), and the EPSRC for the award of a Leadership Fellowship (EP/G007594/3)
Uncontrolled Keywords: APTES,dip-coating,green chemistry,UV-stable paper,Organic Chemistry,Materials Chemistry,Polymers and Plastics
Published Date: 2014-12-19

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