Effects of undoped and manganese-doped zinc oxide nanoparticles on the colour fading of dyed polyester fabrics

Sun, Lu, Rippon, John, Cookson, Peter, Koulaeva, Olga and Wang, Xungai 2009, Effects of undoped and manganese-doped zinc oxide nanoparticles on the colour fading of dyed polyester fabrics, Chemical engineering journal, vol. 147, no. 2-3, pp. 391-398.

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Title Effects of undoped and manganese-doped zinc oxide nanoparticles on the colour fading of dyed polyester fabrics
Author(s) Sun, Lu
Rippon, John
Cookson, Peter
Koulaeva, Olga
Wang, Xungai
Journal name Chemical engineering journal
Volume number 147
Issue number 2-3
Start page 391
End page 398
Total pages 8
Publisher Elsevier B.V.
Place of publication Amsterdam, Netherlands
Publication date 2009-04-15
ISSN 1385-8947
1873-3212
Keyword(s) zinc oxide
nanoparticles
UV protection
colour fading
polyester fabric
photo activity
Summary This paper describes the effects of applying coatings of an acrylic polymer containing nanoparticles of zinc oxide (ZnO) on the fading rate in artificial sunlight of polyester fabrics dyed with disperse dyes containing anthraquinone and benzopyran chromophores. Factors affecting the transparency and UV absorbance of the coatings are discussed. Removing the UV component of sunlight with ZnO nanoparticles markedly decreased the fading rate of the dyes, provided the polymer/ZnO film was not in direct contact with the fabric. When the treatment was applied directly to the fabrics, however, the protection against colour fading was different for the two dyes studied. Whereas the rate of colour fading of a benzopyran dye, of relatively low lightfastness, was decreased by the polymer-ZnO film, the treatment increased the fading rate of the dye of higher lightfastness, based on anthraquinone. This effect has been attributed to the generation of reactive oxygen species (ROS) when ZnO is exposed to UV. The effect of decreasing the photoactivity of ZnO by doping with manganese has been examined. For the benzopyran dye, the UV protection was greatly increased, whereas a much smaller improvement was found for the anthraquinone-based dye.
Language eng
Field of Research 091012 Textile Technology
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021477

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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