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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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Lizundia, Erlantz
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024All-cellulose nanocomposite films based on cellulose acetate and cellulose biocolloids by solution blow spinningcitations
- 2022Core–Shell Fe3O4@Au Nanorod-Loaded Gels for Tunable and Anisotropic Magneto- and Photothermiacitations
- 2021Influence of cellulose nanocrystal surface functionalization on the bending response of cellulose nanocrystal/ionic liquid soft actuatorscitations
- 2021Chiral Nematic Cellulose Nanocrystal/Germania and Carbon/Germania Composite Aerogels as Supercapacitor Materialscitations
- 2021Multifunctional lignin-based nanocomposites and nanohybridscitations
- 2020Electroactive γ-Phase, Enhanced Thermal and Mechanical Properties and High Ionic Conductivity Response of Poly (Vinylidene Fluoride)/Cellulose Nanocrystal Hybrid Nanocompositescitations
- 2020Tailoring Electrical and Mechanical Properties of All-Natural Polymer Composites for Environmentally Friendlier Electronicscitations
- 2020The role of CNC surface modification on the structural, thermal and electrical properties of poly(vinylidene fluoride) nanocompositescitations
- 2020Cellulose nanocrystal and water-soluble cellulose derivative based electromechanical bending actuatorscitations
- 2019Hydrolysis of poly(l‐lactide)/ZnO nanocomposites with antimicrobial activitycitations
- 2019mpact of ZnO nanoparticle morphology on relaxation and transport properties of PLA nanocompositescitations
- 2019Impact of ZnO nanoparticle morphology on relaxation and transport properties of PLA nanocompositescitations
- 2018Thermal, optical and structural properties of blocks and blends of PLA and P2HEBcitations
- 2018Polylactide nanocomposites: The influence of the interactions on the light and gas barrier properties
- 2018Biocompatible Chitosan-Functionalized Upconverting Nanocompositescitations
- 2018Biocompatible chitosan-functionalized upconverting nanocompositescitations
- 2017Thermal, structural and degradation properties of an aromatic-aliphatic polyester built through ring-opening polymerisationcitations
- 2017Thermal stability increase in metallic nanoparticles-loaded cellulose nanocrystal nanocompositescitations
- 2017Magnetic cellulose nanocrystal nanocomposites for the development of green functional materialscitations
- 2016Physical aging and mechanical performance of poly(<scp>l</scp>‐lactide)/ZnO nanocompositescitations
- 2014From implantation to degradation — are poly (l-lactide)/multiwall carbon nanotube composite materials really cytocompatible?citations
- 2013Nanocomposites Based on PLLA and Multi Walled Carbon Nanotubes Support the Myogenic Differentiation of Murine Myoblast Cell Linecitations
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article
Influence of cellulose nanocrystal surface functionalization on the bending response of cellulose nanocrystal/ionic liquid soft actuators
Abstract
This work reports the development of renewable cellulose nanocrystal (CNC) and ionic liquid (IL) hybrid materials for bending actuator applications. For this purpose, cellulose nanocrystals with different surface charges (neutral, positive and negative) were prepared and increasing amounts of the IL 2-hydroxy-ethyl-trimethylammonium dihydrogen phosphate ([Ch][DHP]) (10 and 25 wt%) were incorporated into the CNC hosting matrix. The morphology of the samples was evaluated, proving that both surface charge and IL incorporation do not affect the characteristic layered structure of the CNC. Atomic force microscopy results reveal a sea-island morphology in the hybrid films, where CNC bundles are surrounded by [Ch][DHP]-rich regions. An increase in the electrical conductivity is observed upon IL incorporation into the CNC matrix, regardless of the CNC surface charge. The highest electrical conductivity values are observed for IL/CNC (+) 25 wt% with an electrical conductivity of 3.18 x 10(-5) +/- 2.75 x 10(-7) S cm(-1) and IL/CNC (-) 10 wt% (1.26 x 10(-5) +/- 5.92 x 10(-6) S cm(-1)). The highest bending displacement of 2.1 mm for an applied voltage of 4.0 Vpp at a frequency of 100 mHz was obtained for the IL/CNC (+) 25 wt% composite, demonstrating the suitability of cellulose to develop soft actuators. ; The authors thank FCT - Fundacao para a Ciencia e Tecnologia - for financial support under the framework of the Strategic Funding UID/FIS/04650/2019 and UID/QUI/50006/2019 and projects PTDC/BTM-MAT/28237/2017, PTDC/EMD-EMD/28159/2017 and PTDC/FIS-MAC/28157/2017. D. M. C., C. M. C. and L. C. F. also acknowledge FCT for the grants SFRH/BPD/121526/2016, SFRH/BPD/112547/2015 and SFRH/BD/145345/2019, respectively. The authors acknowledge funding by the Spanish State Research Agency (AEI) and the European Regional Development Fund (ERFD) through the project PID2019-106099RB-C43/AEI/10.13039/501100011033 and from the Basque Government Industry and Education Department under the ELKARTEK and PIBA (PIBA-2018-06) programs, ...