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2018 Vol.50, Issue 4 Preview Page
Effect of Pulp Type and Chemical Treatment During Leaf Casting Process on Strengthening of the Paper

리프캐스팅 시 섬유 종류 및 약품 처리에 따른 보강 효과

Yoonhee Han12
,
Hyeyoon Lee3
,
Kyujeong Sim3
,
Jegon Lee3
,
Hye Jung Youn23†
한윤희 12
,
이혜윤 3
,
심규정 3
,
이제곤 3
,
윤혜정 23†
Dept. of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, 08826
1HAN Archive Research Institute, Co., Ltd., Yongin, 16908
2Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826
3Dept. of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul, 08826
서울대학교 농업생명과학대학 산림과학부
1㈜한아카이브연구소
2서울대학교 농업생명과학연구원
3서울대학교 농업생명과학대학 산림과학부
†Corresponding author: E-Mail: page94@snu.ac.kr
30 August 2018. pp. 92-101
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Abstract

As paper documents or books were often damaged physically during the use and storage, they should be recovered to impart durability. Leaf casting is one of techniques to restore the damages, which fills the damaged parts of the paper by self-healing of fibers during the dewatering of fiber suspension on the suction table. In this study, the effects of pulp type and chemical spraying of the leaf casting process on the strengthening performance and the aging behavior were investigated. The pulp used for the leaf casting had effects on the apprearance, strength, and aging behavior. Compared to the spraying of methyl cellulose on the wet sheet, the spraying of methyl cellulose after drying is the most effective method for strengthening the paper. Even after 14-day aging, the paper had higher mechanical strength. The leaf casting could be applied to the papers with physical defects, and the strengthening effect could be improved by choosing a proper type of fiber and additional chemical spray treatment.

Keywords
Leaf casting
strengthening
paper preservation
aging
References

Literature Cited

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Information
  • Publisher :Korea Technical Association of The Pulp and Paper Industry
  • Publisher(Ko) :한국펄프종이공학회
  • Journal Title :Journal of Korea TAPPI
  • Journal Title(Ko) :펄프종이기술
  • Volume : 50
  • No :4
  • Pages :92-101
  • Received Date : 2018-07-25
  • Revised Date : 2018-08-15
  • Accepted Date : 2018-08-17
  • DOI :https://doi.org/10.7584/JKTAPPI.2018.08.50.4.92
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