Improvement of printability by the new designe of the multi-layered coating structure (II) : The effect of pigment blending in pre-coating layer on characteristics of top-coating layer

Sun-Kyung Kim; Jong Myoung Won; Yong-Kyu Lee

doi:10.7584/ktappi.2016.48.2.061

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Improvement of printability by the new designe of the multi-layered coating structure (II) : The effect of pigment blending in pre-coating layer on characteristics of top-coating layer 다층도공층의 설계에 의한 인쇄적성 개선(제2보) : 프리코팅층의 안료배합이 탑코팅층의 특성에 미치는 영향

30 April 2016. pp. 61-67

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Abstract

This study was carried out in order to investigate the effect of pigment properties in a pre-coating layer on the characteristics of a top-coating layer and the print mottle of the coated paper. Five different pigments were applied for this study as raw materials for the pre-coating layer. The properties and print mottle of the coated paper samples were evaluated according to the coating color formulation.

Type of pigments appliied in a pre-coating layer was one of the most important factor to control the properties of pre and top coating layer. Surface properties of pre and top coated paper were improved by blending GCC which had smaller particle size, with clay. Properties of a top-coating layer was affected by the pigment properties used in the pre-coating layer. It was found that print mottle of coated paper can be improved by replacing part of GCC with smaller particle size GCC or clay in pre-coating layer.

Keywords

Multi-layer coating structure

pre-coating layer

print mottle

pigment

particle size

References

Literature Cited

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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 : 48
No :2
Pages :61-67
Received Date : 2016-04-07
Revised Date : 2016-04-14
Accepted Date : 2016-04-18
DOI :https://doi.org/10.7584/ktappi.2016.48.2.061

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

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Literature Cited