Reprint of: photostability of wool fabrics coated with pure and modified TiO2 colloids

Journal of Colloid and Interface Science
Esfandiar PakdelXungai Wang

Abstract

The surface of wool fabrics was coated with TiO2 and TiO2-based nanocomposite colloids and the impact of this coating on the photostability of wool was investigated. TiO2 along with TiO2/Metal and TiO2/Metal/SiO2 sols were synthesized through a low-temperature sol-gel method and applied to fabrics. Composite colloids were synthesized through integrating the silica and three noble metals of silver (Ag), gold (Au) and platinum (Pt) into the synthesis process of sols. Four different molar ratios of Metal to TiO2 (0.01%, 0.1%, 0.5% and 1%) were used to elucidate the role of metal type and amount on the obtained features. Photostability and UV protection features of fabrics were evaluated through measuring the photo-induced chemiluminescence (PICL), photoyellowing rate and ultraviolet protection factor (UPF) of fabrics. PICL and photoyellowing tests were carried out under UVA and UVC light sources, respectively. PICL profiles demonstrated that the presence of pure and modified TiO2 nanoparticles on fabrics reduced the intensity of PICL peak indicating a lower amount of polymer free radicals in coated wool, compared to that of pristine fabric. Moreover, a higher PICL peak intensity as well as photoyellowing rate was observed on fabri...Continue Reading

References

Dec 17, 1997·Journal of Colloid and Interface Science·R H Bradley, I Mathieson
Mar 10, 2000·Journal of Colloid and Interface Science·M IwasakiS Ito
Oct 14, 2003·Journal of Colloid and Interface Science·Young Cheol LeeKug Sun Hong
Sep 1, 2009·Journal of Colloid and Interface Science·Wing Sze TungSze Kar Leung
Jun 29, 2011·Journal of Colloid and Interface Science·Musashi FujishimaHiroaki Tada
Apr 23, 2013·Journal of Colloid and Interface Science·Esfandiar Pakdel, Walid A Daoud

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Citations

May 5, 2018·Artificial Cells, Nanomedicine, and Biotechnology·Camila Figueiredo BorgognoniKristina Riehemann

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