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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Changes in Wet Pressing Response of OCC stock by the Beating Time and the Addition of Polymer Aids

골판고지 지료의 고해처리 및 고분자첨가제에 의한 압착탈수 특성변화

  • Sung, Yong-Joo (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Lee, Han-Ba-Roh (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Jeong, Wong-Ki (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Jung, Jae-Gwon (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Choi, Song-Gu (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Im, Chang-Kuk (Dongil Paper Company Inc.) ;
  • Gwon, Wan-Oh (Dongil Paper Company Inc.) ;
  • Seo, Yong-Bum (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.)
  • 성용주 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 이한바로 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 정웅기 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 정재권 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 최송규 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 임창국 (동일제지주식회사) ;
  • 권완오 (동일제지주식회사) ;
  • 서영범 (충남대학교 농업생명과학대학 환경소재공학과)
  • Received : 2011.06.02
  • Accepted : 2011.06.22
  • Published : 2011.06.30
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Abstract

The changes in the wet pressing response of old corrugated container(OCC) stock depending on the beating treatment and the addition of polymer aids were investigated with laboratory roll press instrument. Two types of polymer aids, such as high molecular weight polymer with low charge density and low molecular weight polymer with high charge density, were applied in this study. The more beaten OCC stock showed the lower dryness after wet pressing. The addition of polymer aids had great influences on the wet pressing efficiency and paper properties. The dryness after wet pressing was increased by the addition of polymer aids, but the pattern of changes in dryness were different depending on the type of polymer and the properties of stock. The higher molecular weight polymer aids showed the greater increase in the dryness. The properties of paper such as air permeability, bulk, formation, tensile strength were also greatly affected by the addition of polymer aids.

Keywords

References

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