Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Optimization of Aqueous Nano Ceramic Ink and Printing Characterization for Digital Ink-Jet Printing

  • Kwon, Jong-Woo (Ceramicware center, Korea Institute of Ceramic Engineering and Technology) ;
  • Sim, Hee-Seok (Ceramicware center, Korea Institute of Ceramic Engineering and Technology) ;
  • Lee, Jong-Heun (Department of Material Science and Engineering, Korea University) ;
  • Hwang, Kwang-Taek (Ceramicware center, Korea Institute of Ceramic Engineering and Technology) ;
  • Han, Kyu-Sung (Ceramicware center, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Jin-Ho (Ceramicware center, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Ung-Soo (Ceramicware center, Korea Institute of Ceramic Engineering and Technology)
  • Received : 2017.06.01
  • Accepted : 2017.09.07
  • Published : 2017.11.30
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Abstract

The advantage of ceramic ink-jet printing technology is the accurate and fast printing process of digital images for various products. For digital ink-jet printing applications, ceramic ink requires proper viscosity and surface tension, along with dispersion stability of the inorganic pigments. The purpose of this study is the formulation of an environment-friendly ceramic ink with a water-based system; using nano-sized $CoAl_2O_4$ pigment as a raw material, ink should have dispersion stability to prevent nozzle clogging during ink-jet printing process. In addition, the surface tension of the ceramic ink was optimized with the polysiloxane surfactant according to the surface tension requirement (20 - 45 mN/m) for ceramic ink-jet printing; by adjusting the viscosity with poly ethylene oxide, jetting behavior of the ceramic ink was investigated according to changes in the physical features through drop watcher measurement.

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References

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