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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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Kim, Jaehwan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Zinc Bromide: A General Mediator for the Ionothermal Synthesis of Microporous Polymers via Cyclotrimerization Reactionscitations
- 2023Bio-based vanillyl alcohol epoxy thermoset with high mechanical properties and its applications for high- performance natural fiber-reinforced composites
- 2023Features of Immittance Spectra as Performance Indicators for Cement-Based Concretescitations
- 2021Cover-zone protective qualities under corrosive environmentscitations
- 2020Assessing the performance and transport properties of concrete using electrical property measurementscitations
- 2019Conduction, relaxation and complex impedance studies on Portland cement mortars during freezing and thawingcitations
- 2019In-Situ Conductivity Measurements to Monitor Moisture Profiles of Concrete in Hot Climates
- 2018Performance assessment of reinforced concrete after long-term exposure to a marine environmentcitations
- 2016Chloride ingress into marine exposed concrete: A comparison of empirical- and physically- based modelscitations
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document
Bio-based vanillyl alcohol epoxy thermoset with high mechanical properties and its applications for high- performance natural fiber-reinforced composites
Abstract
<jats:title>Abstract</jats:title><jats:p>With the massive usage of fossil-based resources and net-zero missions, developing bio-based epoxy resin and sustainable composites with excellent comprehensive properties from biomass resources as an alternative to commercial petroleum-based epoxy is still a crucial challenge. Herein, taking advantage of the mono and diepoxy cross-linking network structure, a lignin-derived novel cross-linked vanillyl alcohol epoxy (VAE) thermoset-containing mono and di (m&d) epoxy structure is prepared by the epoxidation of the vanillyl alcohol, followed by curing with hardener. The synthesized m&dVAE containing mono and di-epoxidized (m&d) aromatic rings, when cured with 4, 4´-diaminodiphenyl methane (DDM) hardener, exhibits higher record tensile strength ~ 124.0 ± 8.43 MPa and tensile modulus ~ 2.88 ± 0.35 GPa compared to a commercial petroleum-based epoxy, diglycidyl ether bisphenol A (DGEBA) thermoset. Additionally, it demonstrated higher adhesion shear strength (~ 19.16 ± 0.58 MPa) with cellulose nanofibers film than DGEBA. Further, the synthesized m&dVAE-DDM resins are used for bio-based natural fiber-reinforced composites for the first time. The green composite possesses excellent flexural strength of ~ 203.72 ± 2.08 MPa and stiffness of ~ 11.58 ± 0.38 GPa than the petroleum-based thermoset composite. Moreover, the green composite showed good hydrophobicity and an excellent heat-resistant index of 144.4<jats:sup>°</jats:sup>C. The m&dVAE resin can be an alternative to petroleum-based resins, and its environment-friendly green composite could be a promising candidate to replace synthetic materials for high-performance structural applications.</jats:p>