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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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Misra, M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Enhanced wear and corrosion resistances of Al coated Mg alloy using high pressure cold sprayed commercially pure-zirconium coatingcitations
- 2020Enhanced corrosion resistance and surface bioactivity of AZ31B Mg alloy by high pressure cold sprayed monolayer Ti and bilayer Ta/Ti coatings in simulated body fluidcitations
- 2020Modification of surface hardness, wear resistance and corrosion resistance of cold spray Al coated AZ31B Mg alloy using cold spray double layered Ta/Ti coating in 3.5 wt % NaCl solutioncitations
- 2017Biodegradable and bio-based green blends from carbon dioxide-derived bioplastic and poly(butylene succinate)citations
- 2013Green polyurethane nanocomposites from soy polyol and bacterial cellulose
- 2001Surface characterization of natural fibers; surface properties and the water up-take behavior of modified sisal and coir fiberscitations
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article
Surface characterization of natural fibers; surface properties and the water up-take behavior of modified sisal and coir fibers
Abstract
<p>The influence of fiber surface modifications like dewaxing, alkali treatment and methyl methacrylate grafting on the thermal and electrokinetic properties of coir (coconut) and sisal fibers has been investigated. Additionally scanning electron microscopy was performed to follow changes in the fiber surface morphology. Electrokinetic properties were measured using the streaming potential method. The measured time dependence of the ζ-potential offers the possibility to characterize the water up-take, i.e. the swelling behavior of natural fibers. The investigated natural fibers, as expected, contain dissociable surface functional groups as verified by measuring the pH-dependence of the ζ-potential. The influence of fiber surface modifications on the ζ-potential was compared to the influence of fiber surface modifications on measured (tensile and flexural strength) mechanical biocomposite properties. The ζ-potential measurement is a very efficient technique to investigate the various changes effected by different surface modifications, which are necessary to improve the compatibility of such natural fibers and polymer matrices for making eco-friendly and low cost composite materials.</p>