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2020 Vol.52, Issue 4 Preview Page
Effective Use of Binder Composition in Functional Coating (I): Flow Characteristics of Coating Dispersion and Properties of Coated Paper

기능성 코팅에 있어서 바인더 조성의 효과적인 이용에 관한 연구(제1보) : 코팅액 특성과 코팅지의 물성

Sun-Goo Kim1
,
Kyoung-Mo Jeong2‡
,
Young-Kyu Lee3†
김선구 1
,
정경모 2‡
,
이용규 3†
1Dept. of Paper Science & Engineering, College of Forest and Environmental Science, Kangwon Natl. Univ.
2The Institute of Forest Science, Kangwon Natl. Univ.
3Dept. of Paper Science & Engineering, College of Forest and Environmental Science, Kangwon Natl. Univ.
1강원대학교 산림환경과학대학 제지공학과, 학생
2강원대학교 산림과학연구소, 교수
3강원대학교 산림환경과학대학 제지공학과, 교수
†Corresponding author: E-Mail: yklee@kangwon.ac.kr (Address: Dept. of Paper Science & Engineering, College of Forest and Environmental Science, Kangwon Natl. Univ., Chuncheon, 24341, Republic of Korea)
Corresponding Author
Co-corresponding Author :
‡ E-mail: kmjeong@kangwon.ac.kr (Address: The Institute of Forest Science, Kangwon Natl. Univ., Chuncheon, 24341, Republic of Korea)
30 August 2020. pp. 52-62
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Abstract

This study was conducted to design and test formulation compositions using polyvinyl alcohol (PVA) with starch and/or vinyl acetate-co-ethylene (VAE) emulsion binder to improve coating runnability and evaluate properties of coated paper. Fluidity of the coating liquid was examined by measuring rheological characteristics using a rheometer and high-shear viscosity using a capillary type viscometer. It was found that viscosity of the coating solution was significantly affected by the amount of PVA used in the formulation and not that of starch or VAE emulsions. Further, as the mixing ratio of PVA increased, we found corresponding improvements to the tensile index, tensile energy absorption, and burst index of coated paper.

Keywords
Functional coating
VAE emulsion
poly(vinyl alcohol)
starch
rheology
coated paper property
surface properties
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 : 52
  • No :4
  • Pages :52-62
  • Received Date : 2020-07-06
  • Revised Date : 2020-08-06
  • Accepted Date : 2020-08-08
  • DOI :https://doi.org/10.7584/JKTAPPI.2020.08.52.4.52
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