Abstract
Most conventional organic coating resins typically have single anticorrosion function and additive bactericides are often needed to improve their antibacterial properties. In this paper, a waterborne acrylic coating (fluorine-silicon/N+ polyacrylate) with the chemically bonded antibacterial constitutional units have been successfully synthesized via simple soap free emulsion polymerization. The results showed that the antibacterial rate of the fluorine-silicon/N+ polyacrylate coating against Staphylococcus aureus and Escherichia coli were 99.99% and 99.08%, respectively. In addition, the low frequency impedance model value of coatings (at 0.01Hz) maintained above 109 Ω cm2 during 10 d immersion in neutral 3.5wt.% NaCl solution. Thus, the fluorine-silicon/N+ polyacrylate coating possesses good antibacterial and anticorrosion performances.
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