펄프종이기술 (Journal of Korea Technical Association of The Pulp and Paper Industry)

한국펄프종이공학회 (Korea Technical Association of the Pulp and Paper Industry)
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친환경 감열기록지 생산을 위한 순환제지자원의 탈묵 특성 연구

Studies on Deinking Properties of Recovered Paper for Manufacturing Eco-friendly Thermal Recording Paper

  • 이태주 (창강제지기술연구소) ;
  • 최도침 (강원대학교 산림환경과학대학 제지공학과) ;
  • 김문성 ((주)대한제지) ;
  • 류정용 (창강제지기술연구소)
  • Lee, Tai Ju (Changgang Institute of Paper Science and Technology) ;
  • Choi, Do Chim (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University) ;
  • Kim, Moon Sung (Daehan Paper) ;
  • Ryu, Jeong Yong (Changgang Institute of Paper Science and Technology)
  • 투고 : 2015.11.11
  • 심사 : 2015.12.12
  • 발행 : 2015.12.30
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초록

Demands of thermal recording paper have been increased significantly by increase in usage of invoice, fax, and label. Thermal recording paper was mainly made based on virgin fiber. It is necessary to find a suitable alternative to virgin fiber in terms of environment protectional resources conservation. In this paper, deinking properties of different recovered papers were analyzed in order to use the recovered paper as raw material of thermal recording paper. Recovered paper were ONP, OMG and white ledger. Flotation reject of OMG was high because inorganic pigments in coating layer could be removed by upstream of froth. Brightness of white ledger and OMG were much higher than that of ONP. Therefore, properties of pulp made from the recovered paper could be enhanced with increase in blending ratio of white ledger and OMG. However, blending ratio of OMG caused the increase of flotation reject. Consequently, the optimum blending ratio of ONP, OMG, and white ledger was 3:3:3 for eco-friendly thermal recording paper. Under the condition, brightness was about 70% and ERIC was below 300 ppm.

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참고문헌

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