나일론 6/나노-TiO2 유·무기 하이브리드의 제조 및 항균특성 연구Preparation and Antimicrobial Properties of Nylon 6/Nano-TiO2 Nanohybrids
- Other Titles
- Preparation and Antimicrobial Properties of Nylon 6/Nano-TiO2 Nanohybrids
- Authors
- 이덕형; 조성민; 민병길
- Issue Date
- 2014
- Publisher
- 한국섬유공학회
- Keywords
- nylon 6; nano-TiO2; photodeposition by UV irradition; silver; antibacterial activity
- Citation
- 한국섬유공학회지, v.51, no.4, pp.193 - 199
- Journal Title
- 한국섬유공학회지
- Volume
- 51
- Number
- 4
- Start Page
- 193
- End Page
- 199
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/19190
- ISSN
- 1225-1089
- Abstract
- Nanohybrids of nylon 6 and nano-titania (TiO2) were prepared by melt compounding with a twin-screw extruder to investigate antibacterial activity. It was confirmed by field emission scanning electron microscopy (FESEM), energy dispersive spectrometry (EDS), and X-ray diffraction (XRD) that nano-TiO2 was successfully dispersed in the nylon 6 matrix at the level of individual particles. After immersion in an aqueous solution of AgNO3 at 100 ppm Ag ion concentration, silver was introduced to the nanohybrids through photocatalytic reduction by nano-TiO2 under UV (254 nm) irradiation. With increasing nano-TiO2 content, the nanohybrids with silver photodeposited on the nano-TiO2. The nylon 6/TiO2-Ag nanohybrids exhibited strong antimicrobial activity against Klebsiella pneumoniae and Staphylococcus aureus in measurements with the shaking flask method.
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