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Cristin-resultat-ID:
1486454
Sist endret:
15. august 2017, 16:08
Resultat
Vitenskapelig foredrag
2017
Focused Ion Beam Tomography as a Means for Characterization of CNF in a Paper Matrix
Vegar Ottesen
Erik Dobloug Roede
Kristin Syverud
og
Øyvind Weiby Gregersen
Presentasjon
Presentasjon
Navn på arrangementet: 16th Pulp and Paper Fundamental Research Symposium
Sted: Pembroke College, Oxford
Dato fra:
3. oktober 2017
Dato til:
8. oktober 2017
Arrangør:
Arrangørnavn: PPFRS
Om resultatet
Om resultatet
Vitenskapelig foredrag
Publiseringsår: 2017
Beskrivelse
Beskrivelse
Engelsk
Tittel
Focused Ion Beam Tomography as a Means for Characterization of CNF in a Paper Matrix
Sammendrag
A method to study Cellulose Nanofibril (CNF) distribution in three dimensions within a paper matrix in-situ was developed. Focused Ion Beam (FIB)/Scanning Electron Microscopy (SEM) tomography was used to investigate the distribution of cellulose nanofibers in three dimensions within a paper structure. Sufficient resolution and material contrast was obtained using both secondary and back-scattered electrons in volumes as large as 10^3 μm^3. Challenges and approaches to achieve this are discussed, both with respect to the microscopy technique and with respect to image processing and volume reconstruction. A range of recorded images and reconstructed 3D volumes show the technique capable of resolving CNF in a paper matrix. Results presented show CNF within the paper matrix forming capsules enclosing filler particles. These capsules are seen to only infrequently be in physical contact with the enclosed particles. Similar separation between CNF and enclosed filler particles was tested and confirmed in CNF films with 10 wt% added ground calcium carbonate.
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fullstendig beskrivelse
Bidragsytere
Bidragsytere
Vegar Ottesen
Forfatter
ved Institutt for kjemisk prosessteknologi ved Norges teknisk-naturvitenskapelige universitet
Erik Dobloug Roede
Forfatter
Kristin Syverud
Forfatter
ved Institutt for kjemisk prosessteknologi ved Norges teknisk-naturvitenskapelige universitet
Øyvind Weiby Gregersen
Forfatter
ved Institutt for kjemisk prosessteknologi ved Norges teknisk-naturvitenskapelige universitet
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