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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Morphological and Physical Properties of ONP Treated by CaCO3 In-situ Precipitation Method

탄산칼슘 in-situ precipitation 처리된 신문고지의 형태와 물성변화

  • Lee, Young Ho (Department of Biobased Materials, College of Agriculture and Life Science, Chungnam National University) ;
  • Jung, Jae Kwon (Department of Biobased Materials, College of Agriculture and Life Science, Chungnam National University) ;
  • Lee, Ki Seung (Department of Biobased Materials, College of Agriculture and Life Science, Chungnam National University) ;
  • Seo, Yung Bum (Department of Biobased Materials, College of Agriculture and Life Science, Chungnam National University)
  • 이영호 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 정재권 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 이기승 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 서영범 (충남대학교 농업생명과학대학 환경소재공학과)
  • Received : 2013.11.19
  • Accepted : 2013.12.16
  • Published : 2013.12.30
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Abstract

Replacing OMG (old magazine) to ONP (old newspaper) by raising optical property through $CaCO_3$ in-situ precipitation method in white duplex board presents cost reduction and possible drying energy saving. The strength property impairment by the presence of $CaCO_3$ could be supplemented by the fiber furnish treatment or strength polymer addition. In $CaCO_3$ in-situ precipitation of ONP, it was found from morphological study using FlowCAM, an image analyzer, that most of calcium carbonate were formed on the fines, and made the size of the fines larger. For the case of forming calcium carbonate only on the fractionated fines, the size of the fines were the biggest, and there were more clean surface areas available for bonding for the fractionated long fibers when fractionated fibers and fines were regrouped to make paper.

Keywords

References

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  1. Optical Characteristics of Eco-friendly In-situ Recycled Paper with Limestone as Filler vol.51, pp.2, 2014, https://doi.org/10.4191/kcers.2014.51.2.132
  2. Property Development Mechanism of Hybrid Calcium Carbonate vol.7, pp.1, 2019, https://doi.org/10.1021/acssuschemeng.8b05304