Nanocellulose from fractionated sulfite wood pulp

Armin Winter; Benjamin Arminger; Stefan Veigel; Claudia Gusenbauer; Wolfgang Fischer; Melanie Mayr; Wolfgang Bauer; Wolfgang Gindl-Altmutter

doi:10.1007/s10570-020-03428-8

Nanocellulose from fractionated sulfite wood pulp

Armin Winter^*, Benjamin Arminger, Stefan Veigel, Claudia Gusenbauer, Wolfgang Fischer, Melanie Mayr, Wolfgang Bauer, Wolfgang Gindl-Altmutter

^*Corresponding author for this work

Institute of Bioproducts and Paper Technology (6610)

Research output: Contribution to journal › Article › peer-review

Abstract

Fine fibre fractions in wood pulp may contribute to advantageous paper properties, but in some instances their removal from pulp may be beneficial to the production process of certain paper grades. In order to study the suitability of fine fibre fractions for the production of nanocellulose as an alternative use option, sulfite pulp was fractionated and homogenised, and cellulose nanopapers were produced. Characterisation revealed that fine fibre fractions were more easily homogenised than long fibres. Aqueous suspensions of nanocellulose produced from fines showed remarkably reduced viscosity compared to nanocellulose derived from long fibres. Nanopapers produced from all nanocellulose variants showed roughly similar mechanical performance. Only nanopaper produced from primary fines-derived nanocellulose deviated in that it showed a comparably high modulus of elasticity at a low strain at failure. Overall, fine fibre fractions separated from wood pulp were found to be highly suitable for nanocellulose production.

Original language	English
Pages (from-to)	9325-9336
Number of pages	12
Journal	Cellulose
Volume	27
Issue number	16
Early online date	15 Sept 2020
DOIs	https://doi.org/10.1007/s10570-020-03428-8
Publication status	Published - Nov 2020

Keywords

Cellulose nanofibrils
Microfibrillation
Morphology
Primary/secondary fines
Rheology
Sulfite pulp

ASJC Scopus subject areas

Polymers and Plastics

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10.1007/s10570-020-03428-8Licence: CC BY 4.0

Cite this

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title = "Nanocellulose from fractionated sulfite wood pulp",

abstract = "Fine fibre fractions in wood pulp may contribute to advantageous paper properties, but in some instances their removal from pulp may be beneficial to the production process of certain paper grades. In order to study the suitability of fine fibre fractions for the production of nanocellulose as an alternative use option, sulfite pulp was fractionated and homogenised, and cellulose nanopapers were produced. Characterisation revealed that fine fibre fractions were more easily homogenised than long fibres. Aqueous suspensions of nanocellulose produced from fines showed remarkably reduced viscosity compared to nanocellulose derived from long fibres. Nanopapers produced from all nanocellulose variants showed roughly similar mechanical performance. Only nanopaper produced from primary fines-derived nanocellulose deviated in that it showed a comparably high modulus of elasticity at a low strain at failure. Overall, fine fibre fractions separated from wood pulp were found to be highly suitable for nanocellulose production.",

keywords = "Cellulose nanofibrils, Microfibrillation, Morphology, Primary/secondary fines, Rheology, Sulfite pulp",

author = "Armin Winter and Benjamin Arminger and Stefan Veigel and Claudia Gusenbauer and Wolfgang Fischer and Melanie Mayr and Wolfgang Bauer and Wolfgang Gindl-Altmutter",

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doi = "10.1007/s10570-020-03428-8",

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T1 - Nanocellulose from fractionated sulfite wood pulp

AU - Winter, Armin

AU - Arminger, Benjamin

AU - Veigel, Stefan

AU - Gusenbauer, Claudia

AU - Fischer, Wolfgang

AU - Mayr, Melanie

AU - Bauer, Wolfgang

AU - Gindl-Altmutter, Wolfgang

PY - 2020/11

Y1 - 2020/11

N2 - Fine fibre fractions in wood pulp may contribute to advantageous paper properties, but in some instances their removal from pulp may be beneficial to the production process of certain paper grades. In order to study the suitability of fine fibre fractions for the production of nanocellulose as an alternative use option, sulfite pulp was fractionated and homogenised, and cellulose nanopapers were produced. Characterisation revealed that fine fibre fractions were more easily homogenised than long fibres. Aqueous suspensions of nanocellulose produced from fines showed remarkably reduced viscosity compared to nanocellulose derived from long fibres. Nanopapers produced from all nanocellulose variants showed roughly similar mechanical performance. Only nanopaper produced from primary fines-derived nanocellulose deviated in that it showed a comparably high modulus of elasticity at a low strain at failure. Overall, fine fibre fractions separated from wood pulp were found to be highly suitable for nanocellulose production.

AB - Fine fibre fractions in wood pulp may contribute to advantageous paper properties, but in some instances their removal from pulp may be beneficial to the production process of certain paper grades. In order to study the suitability of fine fibre fractions for the production of nanocellulose as an alternative use option, sulfite pulp was fractionated and homogenised, and cellulose nanopapers were produced. Characterisation revealed that fine fibre fractions were more easily homogenised than long fibres. Aqueous suspensions of nanocellulose produced from fines showed remarkably reduced viscosity compared to nanocellulose derived from long fibres. Nanopapers produced from all nanocellulose variants showed roughly similar mechanical performance. Only nanopaper produced from primary fines-derived nanocellulose deviated in that it showed a comparably high modulus of elasticity at a low strain at failure. Overall, fine fibre fractions separated from wood pulp were found to be highly suitable for nanocellulose production.

KW - Cellulose nanofibrils

KW - Microfibrillation

KW - Morphology

KW - Primary/secondary fines

KW - Rheology

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ER -

Nanocellulose from fractionated sulfite wood pulp

Abstract

Keywords

ASJC Scopus subject areas

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Nanocellulose from fractionated sulfite wood pulp

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

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Flippr2 - Future Lignin and Pulp Processing Research PROCESS INTEGRATION

Cite this