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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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Tribot, Amélie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Development and Characterization of Poly(butylene succinate-co-adipate)/Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) with Cowpea Lignocellulosic Fibers as a Filler via Injection Molding and Extrusion Film-Castingcitations
- 2023Properties of Bio-Composite Packaging Materials Developed Using Cowpea Lignocellulosic Sidestream as a Filler
- 2023Agricultural sidestream as a biomaterial commodity: opportunities and challenges
- 2023Faba bean lignocellulosic sidestream as a filler for the development of biodegradable packagingcitations
- 2022Green polymers filaments for 3D-printingcitations
- 2022Recycling of 3D Printable Thermoplastic Cellulose-Compositecitations
- 2022Novel Cellulose based Composite Material for Thermoplastic processing
- 2022Poly(butylene succinate-co-adipate)/poly(hydroxybutyrate) blend films and their thermal, mechanical and gas barrier propertiescitations
- 2022Green polymer filaments for 3D printingcitations
- 2022Effects of Kraft lignin and corn cob agro-residue on the properties of injected-moulded biocompositescitations
- 2022Effects of Kraft lignin and corn cob agro-residue on the properties of injected-moulded biocompositescitations
- 2020Valorisation de la ”partie lignine” des effluents de prétraitement de biomasse forestière : élaboration et caractérisation d’agrocomposites
- 2019Valorization of Kraft Lignin and Corn Cob by-Products into PLA-Matrix based Biocomposites: Characterisation of Injected-moulded Specimens
- 2018X-ray microtomography applied to bio-based composites made of by-products from forest and agricultural industries
- 2018X-ray microtomography applied to bio-based composites made of by-products from forest and agricultural industries
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article
Effects of Kraft lignin and corn cob agro-residue on the properties of injected-moulded biocomposites
Abstract
Lignocellulosic by-products are frequently disposed by means of combustion. This study investigates an alternative route for corn cob and Kraft lignin resources in order to support circular economy. The respective plant-based fibres and filler were compounded for the first time together with a poly(lactic acid) (PLA) matrix. Consecutively, seven different biocomposites were processed by injection-moulding and further characterized. The biocomposite containing a mixture of Kraft lignin and corn cob (12 wt% in total) exhibited the highest flexural strength (84 MPa). A proper wetting of PLA onto the corn cob particles demonstrated a good compatibility at matrix/fibre interface. PLA molecular structure changed in presence of 20 wt% lignin filler, with effect on the glass transition temperature and on the composite mechanical strength. The fibres moderately influenced composites surface tension, while Kraft lignin contributed to a slight increase of surface hydrophobicity. Surface energy (σsTotal) of composites have been estimated at 27.6, 28.7 and 27.8 mN/m for PLA/KL-20, PLA/CC-10 and PLA/KL-15/CC-5 respectively. While the polar component (σsPolar) have been estimated at 17.8, 20.0 and 18.7 mN/m for PLA/KL-20, PLA/CC-10 and PLA/KL-15/CC-5 respectively. Unlike the PLA/corn cob composite, those containing Kraft lignin were entirely biodegraded within 2 months in industrial composting conditions study. The materials could be utilized for end-use products thanks to their good mechanical and thermal properties. By adding wood-lignin and corn by-products, materials cost and carbon footprint shall decrease in comparison to pure PLA, while being a biodegradable and sustainable replacement of polyolefins.