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Journal of Materials Science

, Volume 44, Issue 7, pp 1894–1901 | Cite as

Bactericidal functionalization of wrinkle-free fabrics via covalently bonding TiO2@Ag nanoconjugates

  • C. Yang
  • G. L. Liang
  • K. M. Xu
  • P. GaoEmail author
  • B. Xu
Article
First Online:

Abstract

A simple technique is first developed to functionalize the durable-press all-cotton fabrics by grafting silver anchored TiO2 (P25) nanoconjugates through enediol ligand-metal oxide bonding and resin dehydration. The functionalization is incorporated into a conventional pad-dry-cure process. The treatment ensures the nanoconjugates are covalently bonded to the substrate fabric materials (cotton cellulose). We tested the bactericidal activity of these surface-modified fabric samples after repeated laundries, using the waterborne Escherichia coli bacteria. Strong inhibition results were observed on the TiO2@Ag treated samples than using bare TiO2 alone. After 60 min of sunlight irradiation, the overall bactericidal efficiency reached 96% after 7.5 h culturing. After 60 min of artificial solar light irradiation, the overall bactericidal efficiency reached 99%. Our observations suggest that the enediol linkage can be an effective candidate to graft functional metal oxide nanoconjugates onto a variety of fabric surfaces via a conventional pad-dry-cure process.

Keywords

TiO2 Silver Nanoparticles Cotton Fabric Fabric Sample TiO2 Nanoparticles 
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Notes

Acknowledgement

This research was supported by ITF, grant no. UIM109 (The Hong Kong University of Science and Technology).

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • C. Yang
    • 1
  • G. L. Liang
    • 1
  • K. M. Xu
    • 2
  • P. Gao
    • 2
    Email author
  • B. Xu
    • 1
  1. 1.Department of ChemistryThe Hong Kong University of Science and TechnologyHong KongChina
  2. 2.Department of Chemical EngineeringThe Hong Kong University of Science and TechnologyHong KongChina

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