EFFECTS OF NOVEL ANTIBACTERIAL CHEMICALS ON LOW TEMPERATURE PLASMA FUNCTIONALIZED COTTON SURFACE

Year 2011, Volume: 21 Issue: 4, 356 - 363, 30.12.2011

Buket Arık , Aslı Demir , Esen Özdoğan , Tülay Gülümser

Abstract

Since natural fibers are very susceptible to bacterial attacks, various antibacterial finishes have been developed to control the
bacterial growth. Metal and metal salts, quaternary ammonium compounds, N-halamines, chitosan, polybiguanids and halogenated
phenols can be used for antibacterial finishes. On the other hand, plasma treatment has become very popular for improved antibacterial
activity in recent times. In this study, the effect of argon plasma treatment on cotton fabrics before antibacterial finishing process was
investigated. After antibacterial finish process, they were washed up to ten cycles. The antibacterial activities of the washed and
unwashed samples were evaluated according to the AATCC Test Method 147-1998. The surface morphology was characterized by SEM
and FTIR analysis. From the results, it’s observed that plasma application clearly increased the antibacterial activity of the samples and
the most efficient and washing durable antibacterial agent was non-ionic diphenylalkane based chemical agent. From the SEM images,
it’s seen that after argon plasma treatment, the cotton surface has become rougher and more silver particles have been attached to the
surface. This fact was also confirmed by EDX analysis.

Keywords

Argon plasma, FT-IR, Surface modification, Antibacterial, Cotton

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