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Production of High Loaded Paper by Dual Flow Addition of Fillers (Ⅱ) : Effect of Location of Starch Addition

충전제 투입 위치 이원화에 의한 고충전지 제조 (Ⅱ) : 전분 투입 위치의 영향

Do-Chim Choi
,
Jong Myoung Won
,
Byoung-Uk Cho†
최도침
,
원종명
,
조병욱 †
Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University, Chuncheon, Gangwon-Do, 200-701
강원대학교 제지공학과
†bucho@kangwon.ac.kr
28 February 2015. pp. 84-92
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Abstract

Fillers have been used to improve the optical and printing properties and to reduce the production cost while increasing the filler content in paper causes adverse effects on paper strength. In the previous study, it was shown that the thick stock addition of filler can increase the filler content without significantly sacrificing paper strength. This study was carried out to elucidate the effect of the location of starch addition (before or after the filler addition) on handsheet properties and a papermaking process as a part of developing the thick stock loading technology. In addition, effects of dual flow addition of cationic starch were evaluated. It was found that paper strength was superior when cationic starch was added after the filler addition. No adverse effects on optical properties, formation and filler retention were observed. Drainage was a bit slower when starch was added after the filler addition, which shall be resolved with regulating other factors. Dual flow addition of cationic starch before and after filler addition did not show any special advantage.

Keywords
High loading
thick stock addition
location of starch addition
paper strength
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 : 47
  • No :1
  • Pages :84-92
  • Received Date : 2015-02-11
  • Revised Date : 2015-02-22
  • Accepted Date : 2015-02-24
  • DOI :https://doi.org/10.7584/ktappi.2015.47.1.084
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