Functionalization of a cotton fabric surface with titania nanosols: Applications for self-cleaning and UV-protection properties

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Abstract

In this study, cotton fabric was successfully modified by titania nanosols prepared by means of the sol-gel process with tetrabutyl orthotitanate [Ti(OC 4H 9) 4] as the active ingredient. The cotton fabric was padded with the nanosol solution, dried at 60 °C, and cured at 150 °C. Scanning electron microscopy showed the presence of a titania film on the fiber surface. The photocatalytic properties of titania-nanosol-treated cotton fabric were investigated. The results showed that stains of coffee and red wine were successfully decomposed by exposure of the stained fabric to UV radiation. Furthermore, titania-nanosol treatment imparted to the cotton fabric a very good protection against UV radiation. The durability of the treatment was investigated by performing repeated home laundering, and the results showed no effect of laundering on the UV-protection efficiency.

Original languageEnglish
Pages (from-to)2141-2146
Number of pages6
JournalACS Applied Materials and Interfaces
Volume1
Issue number10
DOIs
StatePublished - Oct 28 2009

Keywords

  • UV radiation
  • coatings
  • cotton fibers
  • functionalization
  • modification
  • sol-gel
  • titania nanosol

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