Antibacterial Coating of Glass Fiber Filters with Silver Nanoparticles (AgNPs) and Glycidyltrimethylammonium Chloride (GTAC) |
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| Authors: | Seungyoung Lee Jaewoong Lee |
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| Institution: | 1.Strategic Planning Division, Dyetec,Daegu,Korea;2.Department of Fiber System Engineering,Yeungnam University,Gyeongsan,Korea |
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| Abstract: | Silver nanoparticles (AgNPs) were attached to glass fiber filters to improve their antibacterial properties using glycidyltrimethylammonium chloride (GTAC), a type of quaternary ammonium salt. The glass fiber filters treated with GTAC were placed into the Ag colloid and heat-treated at 43 °C for 90 min to attach AgNPs to the glass fiber filters. The glass fiber filters with the attached AgNPs were then analyzed by scanning electron microscopy and atomic force microscopy (AFM). The surface morphology of the glass fiber filters treated with GTAC and AgNPs was observed. The Ag atomic % of the glass fiber filters was analyzed according to the GTAC concentration, Ag colloid concentration, and AgNPs treatment temperature. The surface roughness of the glass fiber filters with the attached AgNPs was measured by AFM. The antibacterial tests of the GTAC and AgNP-treated glass fiber filters highlighted the sufficient antibacterial effects against E. coli, S. aureus, and P. aeruginosa. In particular, the antibacterial properties of glass fiber filters against S. aureus and P. aeruginosa were improved when the glass fiber filters were treated with both GTAC and AgNPs. |
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