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2018 Vol.50, Issue 5 Preview Page
Rheological Property of the High Solid Coating Color ( I ) : Interaction between VAE Emulsion Binder and Other Ingredients

고농도 도공액의 유변특성(제1보) : VAE 에멀션 바인더와 다른 구성성분의 상호작용

Sun-Goo Kim
,
Seung-Yeop Yang
,
Kyoung-Mo Jeong1‡
,
Jong-Myoung Won
,
Yong-Kyu Lee†
김선구
,
양승엽
,
정경모 1‡
,
원종명
,
이용규 †
Program of Paper Science & Engineering, Division of Forest Material Sciences and Engineering, College of Forest and Environmental Sciences, Kangwon National University, Kangwondaehakgil-1, Chuncheon, 34231
1The Institute of Forest Science, Kangwon National University, Kangwondaehakgil-1, Chuncheon, 34231
강원대학교 산림환경과학대학 산림응용공학부 제지공학전공
1강원대학교 산림과학연구소
†Corresponding author: E-Mail: yklee@kangwon.ac.kr
‡Co-corresponding Author: E-Mail: kmjeong@kangwon.ac.kr
30 October 2018. pp. 123-131
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Abstract

The effects of rheological properties of high solid coating colors on coated paper properties were investigated. For this purpose, a coating composition containing a pigment, a binder and a rheology modifier was selected. In order to analyze the interaction mechanism between the components of the coating colors, the rheological properties of the coating colors were measured and the results were analyzed. The correlation between the runnability at the high shear stage and the properties of the coated paper were evaluated. It was founded that the analysis of the rheological properties of a coating color using a rheometer was considered to be a very meaningful method for understanding the interaction mechanism of constituents such as VAE emulsion binder and rheology modifier and for analyzing the difference in flow characteristics (viscosity, viscoelastic properties). Interaction of the constituents of the coating color composed of the pigment, VAE emulsion binder and rheology modifier showed a close correlation with the thixotropy of the coating liquid (leveling index, etc.). When using the coating colors with VAE-3 emulsion binder having a good leveling index, the surface smoothness of the coated paper showed the best results.

Keywords
Rheology
coating color
viscosity
elastic property
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 : 50
  • No :5
  • Pages :123-131
  • Received Date : 2018-10-05
  • Revised Date : 2018-10-18
  • Accepted Date : 2018-10-19
  • DOI :https://doi.org/10.7584/JKTAPPI.2018.10.50.5.123
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