Journal
POLYMER TESTING
Volume 100, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2021.107235
Keywords
Polypropylene nonwoven fabric; Ultraviolet protective; Zinc oxide nanorod; Antibacterial property; Hydrothermal growth
Funding
- National Key Research and Development Program of China [2016YFB0303100]
- National Natural Science Foundation of China [51503105]
- Education Department of Jiangsu Province Qinglan project
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Zinc oxide (ZnO) nanorods were successfully grown on the surface of polypropylene (PP) nonwoven fabric (NWF) using the low-temperature hydrothermal method, showing excellent UV protection and antibacterial activity. The ZnO nanorods effectively inhibit photodegradation and significantly enhance the strength properties of the PP NWF.
Zinc oxide (ZnO) nanorods were grown on the surface of a polypropylene (PP) nonwoven fabric (NWF) using the low-temperature hydrothermal method. The finishing process was investigated, and the prepared PP NWF was characterized. Results of the scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, anti-ultraviolet (UV) properties, and energy dispersive spectrometry indicate that the ZnO nanorods can be synthesized and uniformly coated on the surface of the PP NWF. The UV-degradation behavior and antibacterial activity of 0.025 M zinc nitrate hexahydrate-treated PP NWFs was good, with an ultraviolet protection factor value exceeding 100. Furthermore, the ZnO nanorods can inhibit the photodegradation of PP NWF. No obvious cracks were found on the fiber surface under 72 h of UV-light irradiation. The longitudinal and crossbreaking strength reduction properties were enhanced substantially. The ZnO nanorod-coated PP NWF achieved 99.5% bacterial reduction of Staphylococcus aureus and 99.9% bacterial reduction of Escherichia coli.
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