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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kiiskinen, Harri
VTT Technical Research Centre of Finland
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Formable cellulose-based webs enabled by foam forming technology
- 2023High consistency foam in pilot scale
- 2016Porous structure of fibre networks formed by a foaming process: a comparative study of different characterization techniquescitations
- 2012Nano-fibrillated cellulose vs bacterial cellulose
- 2012High performance cellulose nanocompositescitations
- 2012High performance cellulose nanocomposites:Comparing the reinforcing ability of bacterial cellulose and nanofibrillated cellulosecitations
- 2012Nano-fibrillated cellulose vs bacterial cellulose:Reinforcing ability of nanocellulose obtained topdown or bottom-up
- 2009Some insight on paper structure and properties with different drying conditions
- 2003On the mobility of flowing papermaking suspensions and its relationship to formation
- 2002On the mobility of flowing papermaking suspensions and its relationship to formation
Places of action
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article
High performance cellulose nanocomposites
Abstract
<p>This work investigates the surface and bulk properties of nanofibrillated cellulose (NFC) and bacterial cellulose (BC), as well as their reinforcing ability in polymer nanocomposites. BC possesses higher critical surface tension of 57 mN m <sup>-1</sup> compared to NFC (41 mN m <sup>-1</sup>). The thermal degradation temperature in both nitrogen and air atmosphere of BC was also found to be higher than that of NFC. These results are in good agreement with the higher crystallinity of BC as determined by XRD, measured to be 71% for BC as compared to NFC of 41%. Nanocellulose papers were prepared from BC and NFC. Both papers possessed similar tensile moduli and strengths of 12 GPa and 110 MPa, respectively. Nanocomposites were manufactured by impregnating the nanocellulose paper with an epoxy resin using vacuum assisted resin infusion. The cellulose reinforced epoxy nanocomposites had a stiffness and strength of approximately ∼8 GPa and ∼100 MPa at an equivalent fiber volume fraction of 60 vol.-%. In terms of the reinforcing ability of NFC and BC in a polymer matrix, no significant difference between NFC and BC was observed.</p>