Strengthening Effect of Surface Treatment of Cellulose Nanofibrils  on Aged Paper

Jegon Lee; Kyujeong Sim; Kyuho Sim; Hye Jung Youn

doi:10.7584/JKTAPPI.2016.12.48.6.123

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2016 Vol.48, Issue 6 Preview Page Next Page

Strengthening Effect of Surface Treatment of Cellulose Nanofibrils on Aged Paper 나노피브릴화 셀룰로오스의 표면 처리가 고문헌의 강도 향상에 미치는 영향

30 December 2016. pp. 123-130

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Abstract

Cellulose nanofibril (CNF) extracted from wood fibers has unique properties such as high aspect ratio, nano-dimension in width, and high mechanical strength. With these advantages, it was expected that CNF can be utilized as a strengthening agent for old paper documents. The purpose of this study was to evaluate the performance of CNF as a strengthening agent. The CNF suspension was treated on the surface of the two kinds of paper samples: commercial paper made of bamboo fibers and wood fibers, and old book consisting of bamboo fibers. The coat weight of CNF could be adjusted by controlling consistency of CNF suspension. The removal of excessive CNF with blotting paper after brushing CNF showed better repeatability compared to no blotting treatment. The CNF treatment improved the strength of the both of the paper made of bamboo fibers and wood fibers and the old book. The tensile index and folding endurance were linearly increased with the coat weight of CNF. In addition, the surface treatment of CNF on the printed old book did not deteriorate readability. It was suggested that CNF be suitable as a strengthening agent for old paper documents.

Keywords

Cellulose nanofibril

old paper

strengthening agent

paper strength

appearance

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 : 48
No :6
Pages :123-130
Received Date : 2016-11-04
Revised Date : 2016-12-09
Accepted Date : 2016-12-12
DOI :https://doi.org/10.7584/JKTAPPI.2016.12.48.6.123

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

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Literature Cited