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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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Panaitescu, Denis Mihaela
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Effect of Medium-Chain-Length Alkyl Silane Modified Nanocellulose in Poly(3-hydroxybutyrate) Nanocompositescitations
- 2023Complex Effects of Hemp Fibers and Impact Modifiers in Multiphase Polypropylene Systemscitations
- 2022Opposite Roles of Bacterial Cellulose Nanofibers and Foaming Agent in Polyhydroxyalkanoate-Based Materialscitations
- 2022Poly(3-hydroxybutyrate) Nanocomposites with Cellulose Nanocrystalscitations
- 2022Bio-Based Poly(lactic acid)/Poly(butylene sebacate) Blends with Improved Toughnesscitations
- 2021The Effect of SEBS/Halloysite Masterbatch Obtained in Different Extrusion Conditions on the Properties of Hybrid Polypropylene/Glass Fiber Composites for Auto Partscitations
- 2021Properties of Polysiloxane/Nanosilica Nanodielectrics for Wearable Electronic Devicescitations
- 2020Biocomposite foams based on polyhydroxyalkanoate and nanocellulose: Morphological and thermo-mechanical characterization.citations
- 2020Effect of hemp fiber length on the mechanical and thermal properties of polypropylene/SEBS/hemp fiber compositescitations
- 2020Low molecular weight and polymeric modifiers as toughening agents in poly(3‐hydroxybutyrate) filmscitations
- 2019Morpho-Structural, Thermal and Mechanical Properties of PLA/PHB/Cellulose Biodegradable Nanocomposites Obtained by Compression Molding, Extrusion, and 3D Printingcitations
- 2018Poly(3-hydroxybutyrate) Modified by Nanocellulose and Plasma Treatment for Packaging Applicationscitations
- 2015Influence of Thermal Treatment on Mechanical and Morphological Characteristics of Polyamide 11/Cellulose Nanofiber Nanocompositescitations
- 2014The effect of polystyrene blocks content and of type of elastomer blocks on the properties of block copolymer/layered silicate nanocompositescitations
- 2014Polypropylene/organoclay/SEBS nanocomposites with toughness-stiffness propertiescitations
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article
Effect of hemp fiber length on the mechanical and thermal properties of polypropylene/SEBS/hemp fiber composites
Abstract
The control of the fiber length is proposed as a low cost and eco-friendly alternative to the expensive chemical treatments of fibers in polymer composites. Different initial lengths of hemp fibers (HF), ranging from 1 to 4 mm, were obtained using automatic milling and manual cutting. The effect of HF length on the properties of composites was studied in a complex system consisting in polypropylene (PP)/poly[styrene-b-(ethylene-co-butylene)-b-styrene) (SEBS)/HF composite. A reduction of HF average length of about 2, 2.5 or 4 times, depending on the initial fiber length, was observed after extrusion and injection molding. The reduction was greater compared to the results reported for PP/HF composites due to the presence of SEBS and injection molding step. Although the thermal stability of pristine HF was influenced by the intensity of the milling treatment, the effect of different fiber lengths on the degradation of composites was minor. A higher crystallinity was obtained in composites with longer fibers, which correlates to the increased stiffness. At room temperature, the storage modulus was increased by 82–90% in composites with longer fibers and by only 58% in the ones with a high proportion (90%) of “fines”. Therefore, the treatment of HF in a laboratory mill with adjustable die is a simple method to obtain the desired range of fiber length and a clear improvement of mechanical properties. The PP/SEBS/HF composites with a fiber length of more than 2.5 mm are promising materials for electric vehicles, where the reduced weight and environmentally friendly character are very important.