Preliminary Study on Effect of Addition of Cellulose Nanofibrils on Impregnation of Polyvinyl Alcohol into Paper

Hyeonji Park; Jegon Lee; Heetae Park; Seokho Lee; Hye Jung Youn

doi:10.7584/JKTAPPI.2017.08.49.4.97

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Preliminary Study on Effect of Addition of Cellulose Nanofibrils on Impregnation of Polyvinyl Alcohol into Paper 셀룰로오스 나노피브릴이 폴리비닐알코올을 이용한 함침 공정에 미치는 영향 기초 연구

30 August 2017. pp. 97-103

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Abstract

Cellulose nanofibrils (CNF) is a promising reinforcement additive to make biocomposite due to their characteristics such as high aspect ratio, low density, high mechanical strength and high surface area. Polyvinyl alcohol (PVA), which is water-soluble and hydrophilic polymer, is usually applied to paper through surface sizing or impregnation. In this study, the possibility of CNF as a reinforcing additive to PVA solution was investigated in order to make stronger paper or improve the performance of paper through impregnation. The stability and rheology of the PVA/CNF suspension were measured and the mechanical properties of the impregnated paper were evaluated. In addition, the feature of surface of the impregnated paper was obtained. The CNF was miscible to PVA, and the mixed PVA/CNF suspension was stable. The impregnated paper with the suspension contained the CNF showed similar mechanical strength to the paper with only PVA, even at lower pickup weight.

Keywords

Cellulose nanofibrils

polyvinyl alcohol

durable paper

impregnation

paper strength

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 : 49
No :4
Pages :97-103
Received Date : 2017-08-05
Revised Date : 2017-08-16
Accepted Date : 2017-08-18
DOI :https://doi.org/10.7584/JKTAPPI.2017.08.49.4.97

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

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Literature Cited