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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
Places of action
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article
Physical aging and mechanical performance of poly(<scp>l</scp>‐lactide)/ZnO nanocomposites
Abstract
<jats:title>ABSTRACT</jats:title><jats:p>In this work nanocomposites based on poly (<jats:sc>l</jats:sc>‐lactide) (PLLA) and zinc oxide (ZnO) nanoparticles with a concentration up to 5 wt % have been prepared by solvent‐precipitation followed by compression moulding at 200 °C. Structural evolution of nanocomposites as a function of time and nanoparticle concentration has been monitored by differential scanning calorimetry (DSC). Results reveal a marked reduction of the enthalpy relaxation rate β<jats:sub>H</jats:sub> from 3.273 J/g for neat polymer to 0.912 J/g for its 0.25 wt % reinforced counterpart, revealing slower aging dynamics induced by zinc oxide. It is shown by field emission scanning electron microscopy (FE‐SEM) that concentrations larger than 1 wt % yield nanoparticle agglomeration. These large aggregates decrease the amount of nanoparticle surfaces exposed to PLLA chains, notably reducing the efficiency of ZnO nanoparticles to delay the physical aging of its hosting matrix. Mechanical tests show an increased stiffness upon ZnO loading as denoted by the increase in modulus from 2310 MPa to 2780 MPa for the 1 wt % nanocomposite. Obtained findings through this work lead the way for the development of nanocomposites based on renewable polymers and natural fillers to be used in packaging applications, where the use of nonbiodegradable materials for short‐term applications is extended. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. <jats:bold>2016</jats:bold>, <jats:italic>133</jats:italic>, 43619.</jats:p>