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Journal article

Characterization of plasma-polymerized 4-vinyl pyridine with silver nanoparticies on poly(ethylene terephthalate) film for anti-microbial properties

By Jiang, J.; Winther-Jensen, Bjørn1; Kjær, Erik Michael2

From

Department of Chemical and Biochemical Engineering, Technical University of Denmark1

Department of Management Engineering, Technical University of Denmark2

4-vinyl pyridine was polymerized on poly(ethylene terephthalate) (PET) film by using lower energy pulsed AC plasma under low pressure in Ar atmosphere. The plasma polymerized coating was characterized by ATR Fourier transform infrared (FT-IR), scanning electron microscopy (SEM), field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS).

Different thicknesses Of poly(4-vinyl pyridine) coating under different plasma polymerization conditions were studied. Silver nanoparticles with diameter around 50nm deposit were precipitated on the poly(4-vinyl pyridine) coating by UV irradiation in Silver nitride water solution, in order to enhance the anti-microbial properties.

Different kinds of modified PET films were tested for anti-microbial properties against yeast (Debaryomyces hansenii) by using microbiological analyser mu-4200 and direct microscopic count method.

Language: English
Year: 2006
Pages: 84-90
ISSN: 15213900 and 10221360
Types: Journal article
Keywords

anti-microbial morphology nanoparticles plasma polymerization

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