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Cellulose nanofiber aerogels impregnated with bio-based epoxy using vacuum infusion: Structure, orientation and mechanical properties
Fibre and Particle Engineering Research Unit, Faculty of Technology, University of Oulu.
Research Unit of Medical Imaging, Physics and Technology, University of Oulu.
Research Unit of Medical Imaging, Physics and Technology, University of Oulu.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science. Fibre and Particle Engineering Research Unit, Faculty of Technology, University of Oulu.ORCID iD: 0000-0003-4762-2854
2018 (English)In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 155, 64-71 p.Article in journal (Refereed) Published
Abstract [en]

Cellulose nanofiber aerogels were used as preforms that were impregnated with a bio-epoxy resin via a widely used vacuum infusion process. The simple and straightforward nanocomposite processing approach resulted in an almost 70% improvement in the storage modulus of the polymer with only an 11.7 wt% cellulose nanofiber content. The nanofibers were well dispersed in the polymer matrix and the fiber structures were anisotropically aligned. The impregnation time of the aerogels was also significantly lower than that of the more commonly used nanopapers. It was thus shown that environmentally friendly and mechanically robust nanocomposites could be produced by impregnating cellulose nanofiber aerogels with a thermosetting resin using a processing approach that has potential to be scaled up for commercial use.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 155, 64-71 p.
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-67010DOI: 10.1016/j.compscitech.2017.12.001Scopus ID: 2-s2.0-85036459959OAI: oai:DiVA.org:ltu-67010DiVA: diva2:1165985
Note

Validerad;2018;Nivå 2;2017-12-15 (andbra)

Available from: 2017-12-14 Created: 2017-12-14 Last updated: 2017-12-15Bibliographically approved

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CiteExportLink to record
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