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Effect of the combination of biobeating and NFC on the physico-mechanical properties of paper

The combined effect of enzymatic treatment (biobeating) and NFC addition on the mechanical and physical properties of a papermaking pulp suspension was investigated. The influence of pH, consistency of pulp and reaction time of the enzyme on the pulp strength was evaluated by measuring the breaking length of paper sheets made thereof. The results showed that the enzymatic treatment improved mechanical properties of fibres without modifying drainability. After biobeating, NFC was added to the enzyme-treated pulps. Mechanical properties were enhanced, obtaining length at break values similar to those observed in commercial printing/writing paper. Opacity remained constant, whereas porosity was gradually reduced as more amount of NFC was added. The presence of NFC also reduced drainability, although it remained at suitable levels for the papermaking industry. The results suggest that the combination of biobeating and NFC addition can be considered as an alternative to mechanical beating

The authors are thankful to the Spanish Ministry of Science and Innovation for the financial support given by the projects CTQ2010-21660-C03-03 and CTM2011-28506-C02-01 to develop this study

© Cellulose, 2013, vol. 20, núm. 3, p. 1425-1435

Springer Verlag

Author: González Tovar, Israel
Vilaseca Morera, Fabiola
Alcalà Vilavella, Manel
Pèlach Serra, Maria Àngels
Boufi, Sami
Mutjé Pujol, Pere
Date: 2013
Abstract: The combined effect of enzymatic treatment (biobeating) and NFC addition on the mechanical and physical properties of a papermaking pulp suspension was investigated. The influence of pH, consistency of pulp and reaction time of the enzyme on the pulp strength was evaluated by measuring the breaking length of paper sheets made thereof. The results showed that the enzymatic treatment improved mechanical properties of fibres without modifying drainability. After biobeating, NFC was added to the enzyme-treated pulps. Mechanical properties were enhanced, obtaining length at break values similar to those observed in commercial printing/writing paper. Opacity remained constant, whereas porosity was gradually reduced as more amount of NFC was added. The presence of NFC also reduced drainability, although it remained at suitable levels for the papermaking industry. The results suggest that the combination of biobeating and NFC addition can be considered as an alternative to mechanical beating
The authors are thankful to the Spanish Ministry of Science and Innovation for the financial support given by the projects CTQ2010-21660-C03-03 and CTM2011-28506-C02-01 to develop this study
Format: application/pdf
ISSN: 0969-0239 (versió paper)
1572-882X (versió electrònica)
Document access: http://hdl.handle.net/10256/11382
Language: eng
Publisher: Springer Verlag
Collection: MICINN/PN 2012-2014/CTM2011-28506-C02-01
MICINN/PN 2011-2013/CTQ2010-21660-C03-03
Reproducció digital del document publicat a: http://dx.doi.org/10.1007/s10570-013-9927-1
Articles publicats (D-EQATA)
Is part of: © Cellulose, 2013, vol. 20, núm. 3, p. 1425-1435
Rights: Tots els drets reservats
Subject: Fibres de cel·lulosa
Cellulose fibers
Materials nanoestructurats -- Propietats mecàniques
Nanostructured materials -- Mechanical properties
Pasta de paper
Wood-pulp
Title: Effect of the combination of biobeating and NFC on the physico-mechanical properties of paper
Type: info:eu-repo/semantics/article
Repository: DUGiDocs

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