Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Study on Preparation of Environment-Friendly Special Paper Using Functional Antibiotic Nano-Particle (I)

기능성 항균 나노입자를 이용한 친환경성 특수지 제조에 관한 연구(I)

  • Cho, Jun-Hyung (Department of Paper Science & Engineering, Kangwon National University) ;
  • Lee, Yong-Won (Department of Paper Science & Engineering, Kangwon National University) ;
  • Kim, Hyung-Jin (Department of Forest Products, Kookmin University) ;
  • Lee, Jong-Man (NanoTech Co., Ltd R&D Center)
  • Received : 2005.01.05
  • Accepted : 2005.03.25
  • Published : 2005.06.10

Abstract

In this study, nano sized colloidal Ag was made by using a seed sol method. Colloidal Ag solution was spouted on the surface of the inorganic pigment using the hybridizer system and spray nozzle. Then, the surface of the inorganic pigment was modified by $TiO_2$ to obtain the antibacterial ability. In the manufacturing process of nano sized colloidal Ag, it was confirmed that the size of particles increased by addition of $AgNO_3$ and increased the reaction time. The antibacterial measurement of the inorganic pigment showed that the growth of fungus decreased as the reaction time was increased. After the antibacterial ability appeared, in 5~7 h of the antibacterial inoculation experiment, it was measured that the antibacterial activity was excellent at a fixed time frame. The photodecomposition of benzene using $TiO_2$ as the photocatalyst showed 60~70% efficiency in about 80 min. reaction time. It was shown that more than 90% of this efficiency was achieved in the reaction time of about 30 min.

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Acknowledgement

Supported by : 한국과학재단

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