Korean Journal of Metals and Materials (대한금속재료학회지)

The Korean Institute of Metals and Materials (대한금속재료학회)
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Formation of Antibacterial Film dried at Room Temperature using nano-sized TiO2 Particle

TiO2 나노 입자를 이용한 상온건조용 항균 코팅

  • Choi, Young Jin (Department of Metallurgical Engineering, Dong-A University) ;
  • Kim, Donggyu (Department of Metallurgical Engineering, Dong-A University) ;
  • Kim, Insoo (Department of Metallurgical Engineering, Dong-A University)
  • Received : 2009.11.17
  • Published : 2010.05.22
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Abstract

This study was performed to develop an antibacterial film that can be dried at room temperature. A nanosized TiO$_2$ particle-dispersed solution was prepared by the hydrothermal treatment of peroxo-titanic acid at 160${^{\circ}C}$ for 4h. The binder was synthesized through the hydrolysis and condensation reactions of TEOS (10cc) and GPTS (3.5cc) in the mixture of H$_2$O (30cc) and EtOH (30cc). The synthesized binder was mixed with 0.1 M of TiO$_2$ solution in a volume ratio of binder/TiO$_2$ solution=0.25~0.5. The glass substrate was coated after using the dip coating method, which was then followed by drying for over 2h at room temperature. Although the TiO$_2$ particles did not chemically-bond to the binder, the coating layer strongly adhered to the substrate and displayed good antibacterial properties.

Keywords

Acknowledgement

Supported by : 동아대학교

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