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A Novel Nano Cellulose Preparation Method and Size Fraction by Cross Flow Ultra-Filtration
KTH Royal Institute of Technology.
KTH Royal Institute of Technology.
KTH Royal Institute of Technology.
KTH Royal Institute of Technology.
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2012 (English)In: Current organic chemistry, ISSN 1385-2728, E-ISSN 1875-5348, Vol. 16, no 16, p. 1871-1875Article in journal (Refereed) Published
Abstract [en]

A novel energy-efficient method called nanopulping (patent pending) to produce nanocellulose from chemical pulp, and anovel cross-flow ultra-filtration method to separate nanofibrils fractions of different size were applied in this study. Pretreatment with en-doglucanase or 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) oxidation seems to enhance the nanopulping process. Results were evalu-ated with atomic force microscope and ultrafiltration. The nanopulping produced a relatively inhomogeneous material with larger parti-cles/fibers in addition to nanofibers. However, by ultrafiltration of the material it was possible to obtain more homogeneous material indifferent dimensions with methods industrially acceptable.

Place, publisher, year, edition, pages
2012. Vol. 16, no 16, p. 1871-1875
Keywords [en]
Cross flow ultra-filtration, Endoglucanase pretreatment, Microfibrillated cellulose, Nanocellulose, Nanopulping, TEMPO pre- treatment.
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:miun:diva-32640OAI: oai:DiVA.org:miun-32640DiVA, id: diva2:1170493
Available from: 2018-01-03 Created: 2018-01-03 Last updated: 2018-01-17Bibliographically approved

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Moser, Carl
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