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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Methods for Improving the Applicability of Wood Powder Spacers to Liner Board Manufacturing

산업용지 제조에서 목질계 스페이서의 적용성 개선방안

  • Yoon, Do-Hyun (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Sung, Yong Joo (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.)
  • 윤도현 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 성용주 (충남대학교 농업생명과학대학 환경소재공학과)
  • Received : 2015.08.14
  • Accepted : 2015.08.25
  • Published : 2015.08.30
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Abstract

The reduction of energy consumption in papermaking process has been considered as one of the major issue in the paper technology. The energy efficiency of paper mill becomes more significant for the mill which manufacture the board grade products such as linerboard with recycled paper such as OCC. The application of lignocellulose spacer to the board grade paper stock would be the feasible solution by increasing the paper bulk and the drying efficiency. The major defects originated from the application of the lignocellulose spacer could be the loss of strength properties. In this study, the ways for improving the strength properties of the spacer-added linerboard were suggested and evaluated. The effects of the addition of various types polyelectrolytes were tested and the different methods of polyelectrolytes were applied for finding the efficient way. The pretreatments of lignocellulose spacer with the polyelectrolytes during wood spacer hydration resulted in the higher strength properties than the typical application method such as the addition to the mixed stock. Multilayer treatments of the spacer with polyelectrolytes were also evaluated and leaded to the higher strength properties with the similar bulk improvement.

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References

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