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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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Clark, James Hanley
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Topics
Publications (10/10 displayed)
- 2020Deep Eutectic Solvents Based on Natural Ascorbic Acid Analogues and Choline Chloridecitations
- 2019Fabrication of PES/PVP Water Filtration Membranes Using Cyrene®, a Safer Bio-Based Polar Aprotic Solventcitations
- 2018Elucidating enzymatic polymerisationscitations
- 2017Wholly biomass derivable sustainable polymers by ring-opening metathesis polymerisation of monomers obtained from furfuryl alcohol and itaconic anhydridecitations
- 20172,2,5,5-Tetramethyltetrahydrofuran (TMTHF)citations
- 2016Ring opening metathesis polymerisation of a new bio-derived monomer from itaconic anhydride and furfuryl alcoholcitations
- 2015Bio-derived materials as a green route for precious & critical metal recovery and re-usecitations
- 2015New insights into the curing of epoxidized linseed oil with dicarboxylic acidscitations
- 2014Bio-based thermoset composites from epoxidised linseed oil and expanded starchcitations
- 2013Alkali silicates and structured mesoporous silicas from biomass power station waste: the emergence of bio-MCMscitations
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article
New insights into the curing of epoxidized linseed oil with dicarboxylic acids
Abstract
<p>The effect of systematically increasing chain length of a series of linear α,ω-dicarboxylic acids (DCAs) from C<inf>6</inf> to C<inf>18</inf> diacids and a cyclic diacid, Pripol 1009F, on thermal and mechanical properties of the resultant epoxy thermosets derived from epoxidized linseed oil (ELO) are reported. Different techniques including differential scanning calorimetry (DSC), solvent extraction, FT-IR, NMR, dynamic mechanical analysis (DMA), tensile tests and thermogravimetric analysis (TGA) are used in this study. The results indicated that the obtained epoxy resins were highly crosslinked polymers with only a small fraction of low molecular weight soluble materials. The glass transition temperature (T<inf>g</inf>), tensile strength, Young's modulus, elongation at break and toughness decreased while the thermal stability increased with respect to increasing chain length of DCAs. Interestingly, strain hardening was only observed for adipic acid (C<inf>6</inf>) sample for which the best mechanical properties observed.</p>