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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Influence of Chemical and Mechanical Treatments of the Screened Short Fibers from OCC on Paper Properties -Strength Property Improvement of OCC-based Paper by Chemical and Mechanical Treatment (IV)-

골판지 고지섬유의 단섬유분의 물리화학적 처리에 관한 연구 -골판지 고지의 물리화학적 처리에 의한 강도향상 제4보-

  • Lee, Jong-Hoon (Dept. of Forest Product Technology, College of Agriculture, Chungnam National University) ;
  • Seo, Yung B. (Dept. of Forest Product Technology, College of Agriculture, Chungnam National University) ;
  • Choi, Chan-Ho (Dept. of Forest Product Technology, College of Agriculture, Chungnam National University) ;
  • Jeon, Yang (Dept. of Forest Product Technology, College of Agriculture, Chungnam National University)
  • 이종훈 (삼화제지) ;
  • 서영범 (충남대학교 농과대학 임산공학과) ;
  • 최찬호 (충남대학교 농과대학 임산공학과) ;
  • 전양 (충남대학교 농과대학 임산공학과)
  • Published : 2001.12.01
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Abstract

Recycled fibers usually give slow drainage in the paper forming process, which limits the application of more refining to the recycled fibers for improving paper strength and formation. To use recycled fibers more effectively, especially OCC, developing very efficient handling technique of short fibers and fines is inevitable. We tried to make hard flocs of fractionated short fibers and fines, which were the main cause of slow drainage, by adding excessive amount of retention aid selectively on them. This technique was proved to increase drainage considerably, but to decrease strength properties, compared to the conventional technique of adding the same amount of polymers to the whole furnish in the lab test. The bonding capability of short fibers and fines in Korean OCC was very poor. Various chemical treatment on the short fibers and fines of the Korean OCC did not improve their bonding and optical properties. One of the reasons of no improvement in their properties was their high amount of ashes.

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References

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