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 of Handsheet Fracture Toughness by Wood and Cotton Fibers Mixing

목재섬유와 면섬유의 혼합에 따른 수초지의 파괴인성 변화

  • Kim, Jeong-Jung (Chungbuk National University, College of Agriculture, Life & Environment Sciences, Dept. of Forest Product & Engineering) ;
  • Jang, Dong-Uk (Chungbuk National University, College of Agriculture, Life & Environment Sciences, Dept. of Wood & Paper Science) ;
  • Yoon, Sang-Gu (Chungbuk National University, College of Agriculture, Life & Environment Sciences, Dept. of Wood & Paper Science) ;
  • Shin, Hyeon-Sik (KOMSCO) ;
  • Park, Jong-Moon (Chungbuk National University, College of Agriculture, Life & Environment Sciences, Dept. of Forest Product & Engineering)
  • 김정중 (충북대학교 농업생명환경대학 임산공학과) ;
  • 장동욱 (충북대학교 농업생명환경대학 목재종이과학과) ;
  • 윤상구 (충북대학교 농업생명환경대학 목재종이과학과) ;
  • 신현식 (한국조폐공사) ;
  • 박종문 (충북대학교 농업생명환경대학 임산공학과)
  • Received : 2014.06.11
  • Accepted : 2014.06.20
  • Published : 2014.06.30
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Abstract

Conditions of paper manufacturing process should be changed depending on the end use and paper properties. Most of the case, mixed pulps with long softwood fibers and short hardwood fibers are used to achieve proper qualities of product with reasonable production cost. For specialty paper manufacture the wood pulp and cotton linter pulp are usually mixed together. The objectives of this study is to analyze physical, mechanical and fracture mechanical properties of paper depending on SwBKP, HwBKP and cotton linter pulp(CLP) mixing. When the mixing ratio of SwBKP was increased, strength properties, such as tensile, tear, and folding endurance, were also increased. When the mixing ratio of SwBKP and HwBKP was increased, stress concentration index was decreased and fracture toughness was increased.

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References

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