Micro-Fibrillated Cellulose Preparation with Enzyme Beating Pretreatment and Effect on Paper Strength Improvement

Eun-Byeol Ahn; Sung-Bum Hong; Kang-Jae Kim; Tae-Jin Eom

doi:10.7584/ktappi.2015.47.6.057

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2015 Vol.47, Issue 6 Preview Page Next Page

Micro-Fibrillated Cellulose Preparation with Enzyme Beating Pretreatment and Effect on Paper Strength Improvement Enzyme beating 전처리를 통한 Micro-Fibrillated Cellulose 제조 및 지력증강 효과

30 December 2015. pp. 57-65

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Abstract

Microfibrillated cellulose (MFC) or Nanofibrillated cellulose (NFC) has been used to reduce the use of raw pulp and to improve paper strength. The problem of MFC preparation is high manufacturing cost. In this study, it was carried out to prepare MFC after enzyme beating and estimated properties of MFC. Endo-D was the best beating efficiency among three type of endo-glucanase. As the grinder pass number increased, the viscosity and the fines of MFC suspension increased while the crystallinity and the porosity of MFC sheet decreased. Also enzyme beating MFC was higher value in the crystallinity and lower value in the viscosity than non-enzyme MFC. In addition, the aspect ratio of MFC was the highest at 5 pass. MFC addition improved the handsheet strength and the air permeability but worsened the drainage.

Keywords

Microfibrillated cellulose (MFC)

enzyme beating

endo-glucanase

beating efficiency

viscosity

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 : 47
No :6
Pages :57-65
Received Date : 2015-11-07
Revised Date : 2015-12-11
Accepted Date : 2015-12-13
DOI :https://doi.org/10.7584/ktappi.2015.47.6.057

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

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Literature Cited