ACES  Vol.3 No.4 , October 2013
Coating of Medical-Grade PVC Material with ZnO for Antibacterial Application
ABSTRACT
The ZnO sol well-crystallized was prepared by the sol-gel method. The ZnO films were coated on medical-grade PVC surface by the improved organic-inorganic interfacial adhesion method. The physical and photocatalytic properties of the samples were characterized by XRD, SEM, DRS spectra and measured by the photodegradation reaction of Rho-damine B (RhB) and anti-bacteria for Escherichia coli (E. coli), respectively. The results show that pretreatment of PVC by the mix solution of THF-PVC helps to improve the amount and adhesion strength of ZnO suspension to PVC surface. The photocatalytic and antibacterial properties of the THF-ZnO/PVC film are better than that of the ZnO/PVC and neat PVC. Under UV irradiation, the THF-ZnO/PVC film shows the best antibacterial properties with 99% kill rate of bacteria.

Cite this paper
H. Lin, L. Ding, W. Deng, X. Wang, J. Long and Q. Lin, "Coating of Medical-Grade PVC Material with ZnO for Antibacterial Application," Advances in Chemical Engineering and Science, Vol. 3 No. 4, 2013, pp. 236-241. doi: 10.4236/aces.2013.34030.
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