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Moser, Carl
Publications (1 of 1) Show all publications
Moser, C., Henriksson, G. & Lindström, M. E. (2016). Specific surface area increase during cellulose nanofiber manufacturing related to energy input. BioResources, 11(3), 7124-7132
Open this publication in new window or tab >>Specific surface area increase during cellulose nanofiber manufacturing related to energy input
2016 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 11, no 3, p. 7124-7132Article in journal (Refereed) Published
Abstract [en]

Softwood fibers pretreated with a monocomponent endoglucanase were used to prepare a series of cellulose nanofiber qualities using a microfluidizer and 2 to 34 MWh ton-1 of energy input. The specific surface area was determined for the series using critical point drying and gas adsorption. Although the specific surface area reached a maximum of 430 m2 g-1 at 11 MWh ton-1, the nanofiber yield and transmittance continued to increase beyond this point, indicating that more energy is required to overcome possible friction caused by an interwoven nanofiber network unrelated to the specific surface area. A new method for estimating the surface area was investigated using xyloglucan adsorption in pure water. With this method it was possible to follow the disintegration past the point of maximum specific surface area. The technical significance of these findings is discussed.

Place, publisher, year, edition, pages
North Carolina State University, 2016
Cellulose, Cellulose nanofibers, Homogenization, Nano, Specific surface area, Xyloglucan
National Category
Polymer Technologies Paper, Pulp and Fiber Technology
urn:nbn:se:kth:diva-195543 (URN)10.15376/biores.11.3.7124-7132 (DOI)000384922400113 ()2-s2.0-84988493706 (Scopus ID)

QC 20161121

Available from: 2016-11-21 Created: 2016-11-03 Last updated: 2020-02-19Bibliographically approved

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