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2019 Vol.51, Issue 6 Preview Page
Effects of Production Variables of Fines-PCC Composite Fillers on Paper Properties (II): Added Amounts and Type of Fines

미세분-PCC 복합충전제 제조 인자가 종이 물성에 미치는 영향(II): 미세분의 첨가량 및 종류

Hyun Kang1
,
Jong Myoung Won1
,
Byoung-Uk Cho1†
강현 1
,
원종명 1
,
조병욱 1†
1Program of Paper Science & Engineering, Division of Forest Material Science and Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chunchon, 24341
1강원대학교 산림환경과학대학 산림응용공학부 제지공학전공
†Corresponding author: E-Mail: bucho@kangwon.ac.kr
30 December 2019. pp. 167-174
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Abstract

A composite filler was developed by pre-flocculation of hardwood bleached kraft pulp (HwBKP) fines and precipitated calcium carbonate (PCC) with flocculants such as cationic polyacrylamide (C-PAM) and bentonite. Effects of addition ratios and type of fines during production of the composite fillers on the mechanical and the optical properties of handsheets were investigated. Increasing fines addition ratios improved strength properties of handsheets both in the composite fillers and in the conventional loading. The composite filler with softwood bleached kraft pulp (SwBKP) fines resulted in superior strength properties than that with HwBKP fines and with the mixture of HwBKP fines and SwBKP fines. The composite filler and the conventional loading showed similar levels of brightness and opacity at a given addition ratio of fines. In addition, distinct effects of type of fines on brightness and opacity of handsheets with the composite fillers were not found.

Keywords
Addition ratio of fines
ash content
composite filler
fines-PCC pre-flocculation
high-loaded paper
type of fines
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 :6
  • Pages :167-174
  • Received Date : 2019-12-09
  • Revised Date : 2019-12-19
  • Accepted Date : 2019-12-23
  • DOI :https://doi.org/10.7584/JKTAPPI.2019.12.51.6.167
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