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2019 Vol.51, Issue 3
Application of Recycled Fibers from Used Aseptic Carton for the Production of Packaging Paper I : Evaluation of Recyclability of Used Aseptic Carton Using Pilot-scale Equipments

종이 멸균팩 유래 섬유의 포장용지 생산 공정 적용 연구(제1보) : 파일럿 지료 조성 설비를 활용한 종이 멸균팩의 재활용성 평가

Tae Joo Lee
,
Doo Hyun Kim1
,
Kwang Jin Kim2
,
Jeong Yong Ryu3†
,
Myoung Ku Lee3‡
이태주
,
김두현 1
,
김광진 2
,
류정용 3†
,
이명구 3‡
Wood Chemistry Division, Forest Products Department, National Institute of Forest Science, Seoul, 02455
1Taelim Paper Co., Ltd., Gyeonggi, 15609
2Tetrapak Korea, Seoul, 04349
3Program of Paper Science & Engineering, Division of Forest Material Science and Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon, 24341
국립산림과학원 목재이용연구부 목재화학연구과
1태림페이퍼
2테트라팩(유)
3강원대학교 산림환경과학대학 산림응용공학부 제지공학전공
†Corresponding author: E-Mail: jyryu@kangwon.ac.kr
‡Co-corresponding Author: E-Mail: mklee@kangwon.ac.kr
30 June 2019. pp. 5-12
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Abstract

Packaging papers are usually made of unbleached kraft pulp (UKP) and Korean old corrugated container (KOCC). The KOCC consumption for the production of kraft paper, corrugated medium, and linerboard has gradually increased with the expansion of e-commerce and parcel service industry. The most important properties of industrial papers are their strength (e.g., tensile, compression, and burst strengths) because one of their major functions is to protect goods against external forces. However, the KOCC is not enough to improve the desired strength properties because of the fiber property deterioration caused by the repeated recycling process. Therefore, a new material that would replace the KOCC in achieving an improved paper strength should be found. Aseptic carton, which comprises 80% paperboard and 20% plastic films and aluminum layers, is a potential alternative for KOCC because the paperboard in the carton pack is made of UKP. This study assessed the recyclability of used aseptic carton (UAC) using a pilot-scale pulper and a screen. The UAC yield was approximately 74%, indicating that fibers could almost be obtained via the paper recycling process. The reject materials comprised aluminum and plastics. The fiber properties were satisfactory compared to UKP. The length and width of the UAC fibers were slightly shorter and narrower and the water retention value and freeness were better than those of the other recycled fibers obtained using double lined kraft and used gable top.

Keywords
Recycling
aseptic carton
packaging paper
References

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Information
  • Publisher :Korea Technical Association of The Pulp and Paper Industry
  • Publisher(Ko) :한국펄프종이공학회
  • Journal Title :Journal of Korea TAPPI
  • Journal Title(Ko) :펄프종이기술
  • Volume : 51
  • No :3
  • Pages :5-12
  • Received Date : 2019-03-11
  • Revised Date : 2019-04-10
  • Accepted Date : 2019-04-12
  • DOI :https://doi.org/10.7584/JKTAPPI.2019.06.51.3.5
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