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Nano-cotton Fabrics with High Ultraviolet Protection

¹ LEITAT Technological Center, Terrassa (Barcelona), Spain
² Asociación Industrial Textil de Proceso Algodonero (AITPA), Gran Vía de les Corts Catalanes, 670, 08010, Barcelona, Spain
³ Institut Català de Nanotecnologia (ICN), 08163 Campus, UAB, Bellaterra, Spain
⁴ Centro de Innovación Tecnológica CTF, Universitat Politécnica de Cataluña, Colón, 1, 08222 Terrassa (Barcelona) Spain

^* To whom correspondence should be addressed. E-mail: paulrosh{at}yahoo.com.

	Abstract

Ultraviolet resistant cotton fabrics were developed by coating with ZnO and TiO₂ nanoparticles. The ZnO nanoparticles applied on cotton yarns were found to withstand the knitting operation. Meanwhile, the TiO₂ nanoparticles applied on the bleached as well as reactive dyed cotton fabrics by the sol-gel and linking agent methods were found to be intact after various cycles of domestic washing. Knitted fabrics containing ZnO nanoparticles showed moderate to high ultraviolet protection factor (UPF) values, whereas 50+ UPF values were measured for the TiO₂-coated samples. Further it was found that the rutile phase was better than anatase phase in blocking UV rays. The developed process can be easily adapted to the existing textile machinery, making it industrially viable.

First published on October 13, 2009
Textile Research Journal 2009, doi:10.1177/0040517509342316


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