Proceedings of the Korea Technical Association of the Pulp and Paper Industry Conference (한국펄프종이공학회:학술대회논문집)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Studies on the Multi-layered Coated Paper(II) -Effects of Binder in Pre-coated Layer on Properties of Top-coated Layer-

다층 도공지에 관한 연구(II) - 프리코팅층의 바인더가 탑층에 미치는 영향 -

  • Choi, Ki-Soon (Dept. of Paper Science & Engineering, Kangwon National University) ;
  • Shin, Woo-Seul (Dept. of Paper Science & Engineering, Kangwon National University) ;
  • Kim, Sun-Kyung (Dept. of Paper Science & Engineering, Kangwon National University) ;
  • Cho, Byoung-Uk (Dept. of Paper Science & Engineering, Kangwon National University) ;
  • Lee, Yong-Kyu (Dept. of Paper Science & Engineering, Kangwon National University)
  • Published : 2011.10.20
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Abstract

This study was carried out in order to elucidate effects of types of binder used in pre-coated layer on optical properties and printability of top-coated layer. Coated papers with four different types of SB latex were prepared. Tg, particle size and gel contents of latices were of different. Optical properties and printability of coated paper including print mottle were evaluated. It was confirmed that properties of pre-coated layer distinctively affected final properties of top-coated layer. Tg was found to be the most influencing factor on the print mottle of coated paper: the SB latex with lower Tg and higher particle size resulted in a superior print mottle. These results indicate that final printability and properties of top-coated layer can be controlled by adjusting pre-coated layer.

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