Improving printability by designing a multi-layered coating structure (Ⅰ) : The effect of binder properties in the pre-coating layer on the characteristics of the top-coating layer

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

doi:10.7584/ktappi.2016.48.1.027

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Improving printability by designing a multi-layered coating structure (Ⅰ) : The effect of binder properties in the pre-coating layer on the characteristics of the top-coating layer 다층도공층의 설계에 의한 인쇄적성 개선 (제1보) : 프리코팅층의 바인더 물성이 탑코팅층의 특성에 미치는 영향

28 February 2016. pp. 27-33

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Abstract

This study was carried out in order to investigate the effect of binder properties in pre-coating layer on the characteristics of top-coating layer and print mottle of coated paper. Four different latices were used as a binder in pre-coating layer, and coating color prepared with a same formulation was applied for top-coating. The properties and print mottle of coated paper were evaluated.

It was found that glass transition temperature (Tg) was the important factor to control the properties of pre- and top-coating layer. PPS roughness of coated paper was decreased and paper gloss was increased with applying binder which has lower Tg. Properties of top-coating layer were affected by the binder used in pre-coating layer. Print mottle of coated paper was improved with using binder which has lower Tg in pre-coating layer. These results indicate that final printability and properties of top-coating layer can be improved with using suitable binder in pre-coating layer.

Keywords

Multi-layer coating structure

pre-coating layer

print mottle

binder

particle size

gel content

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 :1
Pages :27-33
Received Date : 2015-12-01
Revised Date : 2016-01-25
Accepted Date : 2016-01-30
DOI :https://doi.org/10.7584/ktappi.2016.48.1.027

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

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Literature Cited