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Printability of coating layer with nano silica sol for inkjet printing high-end photo paper

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2019, 29(6), pp.352-358
  • DOI : 10.6111/JKCGCT.2019.29.6.352
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : October 15, 2019
  • Accepted : November 12, 2019
  • Published : December 31, 2019

Hye-Jin Kim 1,  Nahm, Sahn 1,  Han Kyu Sung 2,  Kwangtaek Hwang 2,  Jin-Ho Kim 3

1고려대학교
2한국세라믹기술원
3한국세라믹기술원 이천분원

Accredited

ABSTRACT

In recent years, printing paper with a function of information delivery and aesthetic value has attracted a greatattention with increasing market demand for coated paper that is capable of high quality printing. The coated paper forinkjet printing with high-quality of photorealistic grades requires the coating layer with a good wettability and poroussurface structure in order to improve the printability of ink. In this study, the coated paper was prepared using polyvinylalcohol (PVA) and surface treated nano silica sol with silane coupling agent. It was confirmed that the coating layer withsurface treated nano silica sol showed a uniform pore distribution and flat surface roughness. Glossiness of the preparedprinting paper was similar to that of commercial high quality photo paper. Especially, the coated paper with surface treatednano silica sol showed improved printability with excellent roundness of the printed dot of ink. These results indicates thatthe coating layer with excellent wettability and uniform pore distribution can be formed by using the nano-silica particleswith improved dispersibility through the surface treatment of the silane coupling agent.

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