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Structural aspects on the manufacturing of cellulose nanofibers from wood pulp fibers
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.ORCID iD: 0000-0002-8125-7734
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.ORCID iD: 0000-0001-8817-2031
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.ORCID iD: 0000-0002-2900-4713
2019 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 14, no 1, p. 2269-2276Article in journal (Refereed) Published
Abstract [en]

The exact mechanism behind the disintegration of chemical pulp fiber into cellulose nanofibers is poorly understood. In this study, samples were subjected to various homogenization cycles, indicating that the mechanism is a stepwise process. In the earlier stages of the mechanical process, a large amount of macrofibrils were created as the larger structures disappeared. Upon mechanical treatment these macrofibrils disappeared despite the increasing yield of cellulose nanofibers. The proposed model expands the understanding of the disintegration pathway and may provide additional insight as to how wood cells are converted into microfibrils.

Place, publisher, year, edition, pages
North Carolina State University , 2019. Vol. 14, no 1, p. 2269-2276
Keywords [en]
Cellulose, Hierarchy, Macrofibrils, Nanofibers
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-244204DOI: 10.15376/biores.14.1.2269-2276ISI: 000459494400155Scopus ID: 2-s2.0-85061333292OAI: oai:DiVA.org:kth-244204DiVA, id: diva2:1289488
Note

QC 20190218

Available from: 2019-02-18 Created: 2019-02-18 Last updated: 2019-03-15Bibliographically approved

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Moser, CarlHenriksson, GunnarLindström, Mikael

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