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TEMPO-oxidized cellulose nanofiber films:: effect of surface morphology on water resistance
RISE, Innventia, PFI – Paper and Fiber Research Institute. NTNU Norwegian University of Science and Technology, Norway.
RISE, Innventia, PFI – Paper and Fiber Research Institute.
RISE, Innventia, PFI – Paper and Fiber Research Institute. NTNU Norwegian University of Science and Technology, Norway.
2012 (English)In: Cellulose, ISSN 0969-0239, E-ISSN 1572-882X, Vol. 19, no 4, p. 1115-1123Article in journal (Refereed) Published
Abstract [en]

2,2,6,6-Tetramethylpiperidine-1-oxyl radical (TEMPO)-oxidized cellulose nanofibers were prepared from two kraft pulps (Norway spruce and mixed eucalyptus) using the TEMPO/NaBr/NaClO system at pH 10 and 22 °C. After reaction and mechanical treatment, the TEMPO-oxidized celluloses were used for preparation of self-standing films and coatings of laminate films on 50-μm-thick polyethylene terephthalate films. Characterization of the films was performed based on water contact angle measurements, laser profilometry, scanning electron microscopy, and field-emission scanning electron microscopy. The purpose of this study is to understand how the measured contact angles are affected by the film's physical properties (morphology, thickness, density, and roughness).

Place, publisher, year, edition, pages
2012. Vol. 19, no 4, p. 1115-1123
Keywords [en]
Contact angle, Films, Surface morphology, TEMPO-oxidized cellulose nanofibers, Thickness
National Category
Nano Technology Other Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-9601DOI: 10.1007/s10570-012-9721-5Scopus ID: 2-s2.0-84862260329OAI: oai:DiVA.org:ri-9601DiVA, id: diva2:968354
Available from: 2016-09-12 Created: 2016-09-12 Last updated: 2022-05-10Bibliographically approved

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