Effect of Application of VAE Emulsion and Water-Soluble Resin Binder on the Properties of Coated Paper

Sun Goo Kim; Sung Jong Yoo; Yong Sik Kim; Yong Kyu Lee

doi:10.7584/JKTAPPI.2023.2.55.1.20

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Original Paper

Effect of Application of VAE Emulsion and Water-Soluble Resin Binder on the Properties of Coated Paper VAE 에멀션과 수계수지 바인더의 프리코팅층 적용이 도공지 물성에 미치는 영향

28 February 2023. pp. 20-29

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Abstract

When binders with different physical properties were applied to the pre-coat layer, coating layers having different properties were formed. This was because the characteristics of the top-coating vary depending on the top-coating layer. In particular, the properties of this top-coating layer affected the final printability. Vinyl acetate ethylene (VAE) emulsion binders offer advantages as an alternative resource because natural gas provides the base substance for polymer production. The Tg of VAE emulsion binders can be easily adjusted, so the desired physical properties can be adjusted. Therefore, in this study, SB-latex and VAE emulsion binders with different Tg were applied to the pre-coating layer. In addition, poly vinyl acohol (PVA) was applied as a co-binder, and the printability was evaluated by observing changes in physical properties of the pre-coating layer and the top-coating layer. As a result, as the Tg increased, the surface roughness of the coated paper increased while the paper gloss decreased. In addition, when PVA was blended, a tendency simillar to paper gloss was showed. Therefore, It is considered that this is because the voids formed by the pigment and the binder form different structures.

Keywords

AE emulsion

multi-layer coating

pigments

rheology

paper 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 : 55
No :1
Pages :20-29
Received Date : 2023-01-26
Revised Date : 2023-02-15
Accepted Date : 2023-02-16
DOI :https://doi.org/10.7584/JKTAPPI.2023.2.55.1.20

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

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