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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Strengthening Treatment of Aged Hanji with Solvent Soluble Polymers

용제 용해형 고분자를 이용한 열화한지의 보강처리

  • Kim, Kang-Jae (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Lee, Min-Hyung (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Eom, Tae-Jin (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
  • 김강재 (경북대학교 농업생명과학대학 임산공학과) ;
  • 이민형 (경북대학교 농업생명과학대학 임산공학과) ;
  • 엄태진 (경북대학교 농업생명과학대학 임산공학과)
  • Received : 2011.12.09
  • Accepted : 2012.01.19
  • Published : 2012.02.28
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Abstract

In this study, 5 solvent soluble polymers were treated on Hanji. Mechanical properties, morphology and oxidation index with thermal aging were measured on the aged Hanji, dewaxed Hanji and polymer treated Hanji. Synthetic polymers(such as polylactic acid, polybutylene succinate, polystyrene) treated Hanji had higher strength and thermal stability than cellulose derivatives(such as cellulose nitrate and cellulose acetate) treated Hanji. Polymer treated Hanji showed a little bit of color change. The oxidation index of PS treated Hanji did not increase with thermal aging because it did not have a carboxyl group in chemical structure. Finally, polystyrene was found to be the most efficient method for strengthening the dewaxed Hanji. The best aging safety and thermal stability were obtained at the polystyrene 3% solution.

Keywords

References

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