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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Studies on the Blistering Resistance(I) - The influence of pigment ratio on blistering resistance -

블리스터링에 관한 연구(제1보) - 안료의 배합비가 블리스터링에 미치는 영향 -

  • Lim, Won-Seok (Dept. of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Ha, Young-Baeck (Dept. of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Kim, Chang-Keun (Changgang Institute of Paper Science and Technology, Kangwon National University) ;
  • Lee, Yong-Kyu (Dept. of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University)
  • 임원석 (강원대학교 산림환경과학대학 제지공학과) ;
  • 하영백 (강원대학교 산림환경과학대학 제지공학과) ;
  • 김창근 (강원대학교 창강제지기술연구소) ;
  • 이용규 (강원대학교 산림환경과학대학 제지공학과)
  • Published : 2007.06.30
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Abstract

Recently the use of web offset printing has been increasing, which can provide high print speed, mass production, and high print quality. However, high speed web offset printing has frequently undergone a blistering problem when the printed paper passes through hot air dryers. Blistering occurs in the middle of the base paper or in the coating layer. This paper focused on the blistering occurring in the base paper. In order to elucidate the effect of pigment ratio on blistering, 6 types of coating color were prepared with varying GCC/clay ratios and printability and blistering were investigated focusing on structure changes in the coating layer. When the clay content in the coating layer was increased, surface roughness and surface strength were decreased and paper gloss was increased. In addition, it was found that the coating layer structure with high clay content, which contains lots of discontinuous pores, hindered water vapors to penetrate out and, as a result, blistering occurred.

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References

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