Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Improvement of printability by the new designe of the multi-layered coating structure (II) - The effect of pigment blending in pre-coating layer on characteristics of top-coating layer -

다층도공층의 설계에 의한 인쇄적성 개선(제2보) - 프리코팅층의 안료배합이 탑코팅층의 특성에 미치는 영향 -

  • Kim, Sun-Kyung (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University) ;
  • Won, Jong Myoung (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University) ;
  • Lee, Yong-Kyu (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University)
  • 김선경 (강원대학교 산림환경과학대학 제지공학과) ;
  • 원종명 (강원대학교 산림환경과학대학 제지공학과) ;
  • 이용규 (강원대학교 산림환경과학대학 제지공학과)
  • Received : 2016.04.07
  • Accepted : 2016.04.18
  • Published : 2016.04.30
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Abstract

This study was carried out in order to investigate the effect of pigment properties in a pre-coating layer on the characteristics of a top-coating layer and the print mottle of the coated paper. Five different pigments were applied for this study as raw materials for the pre-coating layer. The properties and print mottle of the coated paper samples were evaluated according to the coating color formulation. Type of pigments appliied in a pre-coating layer was one of the most important factor to control the properties of pre and top coating layer. Surface properties of pre and top coated paper were improved by blending GCC which had smaller particle size, with clay. Properties of a top-coating layer was affected by the pigment properties used in the pre-coating layer. It was found that print mottle of coated paper can be improved by replacing part of GCC with smaller particle size GCC or clay in pre-coating layer.

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References

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