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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Improvement of Bending Stiffness in White Duplex Board by Utilization of Wood Fibers from Medium Density Fiberboard (2) Ozone treatment

백판지의 휨강성 증대를 위한 목질섬유의 이용 (2) 오존처리

  • Seo, Yung Bum (Dept. of Bio-based Materials, Coll. of Agri. and Life Sci., Chungnam National Univ.) ;
  • Kim, Hyun Jun (Ssangyong C&B Inc.)
  • Received : 2014.12.10
  • Accepted : 2014.12.19
  • Published : 2015.02.28
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Abstract

Wood fibers for medium density fiberboard (MDF) was used in the filler layer of the white duplex board for increasing thickness and bulk of the board. The MDF fibers were treated with ozone (3% based on dry weight of the fibers), and mixed together with OCC (old corrugated container) to form paper. Ozone-treated MDF fibers gave high bulk, high tensile strength, high internal bond and fast drainage to the furnish mixed with OCC. It was shown that there were possibilities to reduced basis weight of the filler layer without loss of thickness, stiffness, and tensile strength. Furthermore, it showed the possibility to develop a new kind of board product that has high stiffness as well as high strength properties with light basis weight by application of the ozone-treated MDF fibers.

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References

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