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나노 은을 광증착시킨 폴리(에틸렌 테레프탈레이트)/나노-TiO2 복합체의 항균특성 연구

Title
나노 은을 광증착시킨 폴리(에틸렌 테레프탈레이트)/나노-TiO2 복합체의 항균특성 연구
Translated Title
Antimicrobial Properties of PET/(Nano-TiO2) Composite Films Prepared by Photocatalytic Deposition of Silver
Authors
경규항조성민지광환김정현권오경임상규민병길
DGIST Authors
임상규
Issue Date
2012
Citation
한국섬유공학회지, 49(6), 377-382
Type
Article
Keywords
PETnano TiO2photodeposition by UV irraditionsilverantibacterial activity
ISSN
1225-1089
Abstract
Nanocomposite films of poly(ethylene terephthalate)(PET) and nano titania(TiO2) were prepared by melt compounding with a twin-screw extruder followed by hot pressing for the purpose of investigating antibacterial activity. FE-SEM, EDS and XRD measurements confirmed that nano TiO2 was successfully dispersed at the level of individual particles in the PET matrix. Silver was introduced through photocatalytic reduction by nano TiO2 under UV (254 nm) irradiation to the nanocomposite films after being immersed in aqueous solution AgNO3 (100 ppm Ag ion). Even at 1 wt% of TiO2 content, the nanocomposite with silver photodeposition exhibited strong antimicrobial activity against Klebsiella pneumoniae and Staphylococcus aureus in measurement by shaking flask method.
URI
http://hdl.handle.net/20.500.11750/4961
DOI
10.12772/TSE.2012.49.6.377
Publisher
한국섬유공학회
Related Researcher
Files:
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Collection:
Smart Textile Convergence Research Group1. Journal Articles


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