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Iranian researchers produce self-cleaning coatings for the textile industry
Cleanzine has learned that Iranian researchers at Gilan University have synthesised self-cleaning coatings for use in the textile industry.
The coating has been made by synthesising titanium dioxide nanoparticles doped with silver and zirconium on polyacrylonitrile fibres. This has created a medium which has photocatalytic self-cleaning properties.
The aim of this research, reports the Fars News Agency, was to synthesise titanium dioxide nanoparticles doped with silver and zirconium, and also to synthesise a joint doped sample by using silver and zirconium (Ag-Zr-TiO2) on polyacrylonitrile fibres to investigate their photocatalytic self-cleaning properties.
Recent studies on the modification of photocatalytic properties of TiO2 through co-doping process show that the photocatalytic properties of TiO2 improve due to the strengthening of the doping ions. In this research, too, the strengthening and interaction between silver and zirconium in Ag-Zr-TiO2 nanocomposite improves the photocatalytic properties of TiO2 in its photocatalytic self-cleaning behaviour.
Taking into consideration the fact that this project can be used in the textile industry and in the production of self-cleaning surfaces, the researchers will synthesise in their future projects the nanocomposites of titanium dioxide and other semi-conductors on various surfaces to study their photocatalytic properties.
Results of the research have been published in details in Journal of Applied Polymer Science, vol. 125, issue 7, pp. 3778-3789.
29th August 2013