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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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Terzopoulou, Zoi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Valorization of Tomato Agricultural Waste for 3D-Printed Polymer Composites Based on Poly(lactic acid)citations
- 2023Poly(Lactic Acid) Composites with Lignin and Nanolignin Synthesized by In Situ Reactive Processing
- 2023Poly(Lactic Acid) Composites with Lignin and Nanolignin Synthesized by In Situ Reactive Processingcitations
- 2022Revisiting Non-Conventional Crystallinity-Induced Effects on Molecular Mobility in Sustainable Diblock Copolymers of Poly(propylene adipate) and Polylactidecitations
- 2021Synthesis, Properties, and Enzymatic Hydrolysis of Poly(lactic acid)- co -Poly(propylene adipate) Block Copolymers Prepared by Reactive Extrusion
- 2021Comparative study of crystallization, semicrystalline morphology, and molecular mobility in nanocomposites based on polylactide and various inclusions at low filler loadingscitations
- 2021Synthesis and Characterization of Unsaturated Succinic Acid Biobased Polyester Resinscitations
- 2021Preparation of green montmorillonite/carbon nanotubes hybrid by lyophilization procedure for poly(lactic acid) nanocomposite
- 2021Cold Crystallization Kinetics and Thermal Degradation of PLA Composites with Metal Oxide Nanofillerscitations
- 2021Synthesis, Properties, and Enzymatic Hydrolysis of Poly(lactic acid)-co-Poly(propylene adipate) Block Copolymers Prepared by Reactive Extrusioncitations
- 2019Sustainable thermoplastics from renewable resources:Thermal behavior of poly(1,4-cyclohexane dimethylene 2,5-furandicarboxylate)citations
- 2019Sustainable thermoplastics from renewable resourcescitations
- 2018Effect of surface functionalization of halloysite nanotubes on synthesis and thermal properties of poly(ε-caprolactone)citations
- 2018Synthesis and characterization of in-situ-prepared nanocomposites based on poly(propylene 2,5-furan dicarboxylate) and aluminosilicate clayscitations
- 2017Effect of MWCNTs and their modification on crystallization and thermal degradation of poly(butylene naphthalate)citations
- 2014Effect of nanofiller's size and shape on the solid state microstructure and thermal properties of poly(butylene succinate) nanocompositescitations
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article
Cold Crystallization Kinetics and Thermal Degradation of PLA Composites with Metal Oxide Nanofillers
Abstract
<jats:p>Poly(lactic acid) (PLA) nanocomposites with antimicrobial fillers have been increasingly explored as food packaging materials that are made of a biobased matrix and can minimize food loss due to spoilage. Some of the most commonly studied fillers are zinc oxide (ZnO), titanium dioxide (TiO2), and silver nanoparticles (AgNPs). In this work, nanocomposites with 1 wt.% of each filler were prepared by melt mixing. An extensive study of thermally stimulated processes such as crystallization, nucleation, degradation, and their kinetics was carried out using Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA). In detail, non-isothermal cold crystallization studies were performed with DSC and polarized light microscopy (PLM), and kinetics were analyzed with multiple equations. The activation energy of the non-isothermal cold crystallization was calculated with the methods of Kissinger and Friedman. The latter was used to also determine the Hoffman–Lauritzen parameters (Kg and U*) by applying the Vyazovkin method. Additionally, effective activation energy and kinetic parameters of the thermal decomposition process were determined by applying the isoconversional differential method and multivariate non-linear regression method. According to TGA results, metal oxide nanofillers affected the thermal stability of PLA and caused a decrease in the activation energy values. Moreover, the fillers acted as heterogenous nucleating agents, accelerating the non-isothermal crystallization of PLA, thus reducing its activation energy. It can be concluded that metal oxide nanofillers catalytically affect the thermal degradation and crystallization of PLA samples.</jats:p>