TEMPO-oxidized cellulose nanofiber films:: effect of surface morphology on water resistance

TEMPO-oxidized cellulose nanofiber films: : effect of surface morphology on water resistance

Rodionova, Galina (författare): RISE,PFI – Paper and Fiber Research Institute,NTNU Norwegian University of Science and Technology, Norway

Gregersen, Øyvind Weiby (författare): RISE,PFI – Paper and Fiber Research Institute,NTNU Norwegian University of Science and Technology, Norway

(creator_code:org_t)

2012-05-22
2012
Engelska.
Ingår i: Cellulose. - : Springer Science and Business Media LLC. - 0969-0239 .- 1572-882X. ; 19:4, s. 1115-1123

Relaterad länk:: https://urn.kb.se/re...; visa fler...; https://doi.org/10.1...; visa färre...

Abstract Ämnesord

Stäng

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).

Av författaren/redakt...: Rodionova, Galin ...; Eriksen, Øyvind; Gregersen, Øyvin ...

Om ämnet

TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Materialteknik; och Annan materialte ...

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