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J Nanosci Nanotechnol. 2019 Dec 1;19(12):7721-7728. doi: 10.1166/jnn.2019.16848.

The Morphological Effects of ZnO Upon the Antimicrobial and Deodorant Activities of Polyethylene Terephthalate/ZnO Composite Filaments.

Author information

1
Smart Textile Convergence Research Group, DGIST, Daegu 42988, Republic of Korea.
2
Korea Textile Development Institute, Daegu 41842, Republic of Korea.
3
Korea Dyeing & Finishing Technology Institute, Daegu 41706, Republic of Korea.

Abstract

In this study, the morphological effects of ZnO on the antimicrobial and deodorant activities of synthetic fibers were investigated. Three different polyethylene terephthalate (PET)/ZnO filaments were prepared by incorporating various ZnO nanostructures (rods, plates, and spheres) into PET filaments via a melt-spinning process. The antimicrobial activity of the as-prepared fibers was evaluated by the shake-flask method using two types of bacteria (Staphylococcus aureus and Klebsiella pneumoniae). The deodorant activity of the as-prepared fibers was evaluated by the gas detection tube method. All the PET/ZnO filaments exhibited excellent antimicrobial activity with a bacterial reduction value of 99.9%. The PET/ZnO rod filament showed the best deodorant performance of 60.0%. Both the antimicrobial and deodorant activities of the PET/ZnO filaments were influenced by the morphology of ZnO. However, the morphology of ZnO had a different effect on each functionality of the PET/ZnO filaments. The antimicrobial activity of the PET/ZnO filaments was mainly affected by the physical properties of ZnO rather than its morphology. By contrast, the deodorant activity of the PET/ZnO filaments was highly influenced by the morphology of ZnO.

PMID:
31196281
DOI:
10.1166/jnn.2019.16848

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