Study on Achievement of Surface Antibacterial Property of Medical Polyester Film by Atmospheric Pressure Plasma-Initiated Grafting
The achievement of surface antibacterial property of medical polyester (PET) film by atmospheric pressure plasma-initiated grafting was investigated. The PET film was treated with atmospheric pressure plasma jet with 20 liter/min(LPM) helium and 0.2 LPM oxygen gas flow rate at 40 W output power for 2 s to improve surface wettability and then grafted with organic antibacterial agent in 15％ triclosen solution at 60℃ for 60 min to achieve surface antibacterial property. Contact angle was measured to determine wettability improvement of the treated PET film using Sessile Drop Method. The foil contacting antibacterial method was used to determine the coil antimicrobial rate of the grated PET film. The changes in surface morphology and chemical component of PET film before and after plasma treatment were analyzed by Atomic Force Microscopy (AFM) and X-ray Photoelectron Spectroscopy (XPS). The decrease from 80℃ to 30℃ in contact angle indicated that atmospheric pressure plasma jet treatment significantly improved the surface wettability of PET film. The AFM observation indicated that the atmospheric pressure plasma jet treatment could rough PET film surface. XPS analysis showed the increase in content of oxygen and nitrogen resulting in the formation of more hydrophilic groups such as hydroxyl and carboxyl on PET film surface. All these contributed to atmospheric pressure plasma-initiated grafting triclosan on PET film surface resulting in an obvious achievement of surface antibacterial property of PET film demonstrated by the increment for 0％ to 95％ in antimicrobial rate.
atmospheric pressure plasma-initiated grafting polyester wettability antibacterial property
WANG Chun-xia DU Mei QIU Yi-ping
College of Textiles and Clothing, Yancheng Institute of Technology, Jiangsu, 224003, P. R. China Col Textile Deport, Yancheng College of Textile Technology, Yancheng Jiangsu 224003, P. R. China College of Textiles, Donghua University, Shanghai, P. R. China
国际会议
2010 International Forum on Biomedical Textile Materials(2010国际纺织生物医用论坛)
上海
英文
230-233
2010-05-28（万方平台首次上网日期，不代表论文的发表时间）