Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Embedding of Antibacterial Copper Nanoparticles on the Surface of PCM Microcapsules Through the Sonochemical Coating Process

상전이물질 마이크로캡슐의 표면에 초음파화학 코팅법으로 항균성 구리 나노입자의 도입

  • Lee, Ji Heon (Department of Material and Design Engineering, Kumoh National Institute of Technology) ;
  • Chae, Haneul (Department of Material and Design Engineering, Kumoh National Institute of Technology) ;
  • Min, Byung Gil (Department of Material and Design Engineering, Kumoh National Institute of Technology)
  • 이지헌 (금오공과대학교 소재디자인공학과) ;
  • 채하늘 (금오공과대학교 소재디자인공학과) ;
  • 민병길 (금오공과대학교 소재디자인공학과)
  • Received : 2021.12.20
  • Accepted : 2022.02.08
  • Published : 2022.02.28
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Abstract

In this study, phase change material (PCM) microcapsules were prepared, and copper nanoparticles were coated on the microcapsule surface through the sonochemical coating process for temperature regulation and antibacterial activities. n-octadecane and melamine-formaldehyde resin were used as the PCM core and wall materials of microcapsules, respectively. It was observed that applying high-speed stirring above 7,000 rpm was critical to form n-octadecane droplets in O/W emulsion with 3.5±0.5 ㎛ in diameter using a homogenizer. Spherical PCM microcapsules with 6.0±2 ㎛ in diameter could be obtained at lower than pH 6. Copper nanoparticles could be successfully embedded on the surface of PCM microcapsules through the sonochemical coating process. The PCM microcapsules coated with copper nanoparticles exhibited excellent antibacterial activities against S. aureus and K. pneumonia.

Keywords

Acknowledgement

본 연구는 안전보호융복합섬유산업육성사업의 사업비 지원으로 수행되었습니다.

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