Studies on the Improvement of Surface Properties and the Flow Properties of Coating Color (Part 3) : Influence of the Binder Type on the Properties of Coating Color and Coated Board

Jong-Myoung Won; Yong-Kyu Lee

doi:10.7584/JKTAPPI.2018.02.50.1.26

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Studies on the Improvement of Surface Properties and the Flow Properties of Coating Color (Part 3) : Influence of the Binder Type on the Properties of Coating Color and Coated Board 도공액의 유동성 및 표면물성 개선에 관한 연구(제3보) : 바인더의 종류가 도공액 및 도공판지 물성에 미치는 영향

28 February 2018. pp. 26-33

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Abstract

In this study, four kinds of synthetic binders such as SB latex, acrylic binder, vinyl acetate- ethylene (VAE) emulsion copolymer, and eco binder were applied to pre-coating formulation in order to evaluate the influence of the addition ratio of each binder on the properties of coated boards. Five kinds of the SB latex (7 pph) based pre-coating formulations with other synthetic binders (2 pph or 4 pph) were prepared to evaluate their rheological properties of coating colors and properties of coated board. For top-coating, SB latex (12 pph) was only used for the coating formulation in all case. It was shown that high shear viscosity of the pre-coating colors was improved in comparison with that of other coating colors when VAE emulsion binder was applied on the SB latex based pre-coating formulation. In case of printability such as ink set-off and ink trapping, the coated board with eco binder was superior to those of the other coated boards. However, two kinds of SB latex-A and -B used in coating formulation with acrylic and VAE emulsion binder (2 pph) exhibited excellent wet-pick strength of coated board among coating formulations.

Keywords

Rheological properties

pre-coating

coated board

SB latex

VAE emulsion copolymer

acrylic binder

eco binder

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 :1
Pages :26-33
Received Date : 2018-01-30
Revised Date : 2018-02-12
Accepted Date : 2018-02-19
DOI :https://doi.org/10.7584/JKTAPPI.2018.02.50.1.26

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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Literature Cited