Design and synthesis of biobased epoxy thermosets from biorenewable resources - 30/11/17
, Gilles Boni a, Sari Rautiainen b, Joseph Samec b, Lucie Fournier c, Carine Robert c, Christophe M. Thomas c, Stéphane Fontaine d, Yves Gaillard e, Vincent Placet e, Laurent Plasseraud a, ⁎ Bienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Biobased diepoxy synthons derived from isoeugenol, eugenol or resorcinol (DGE-isoEu, DGE-Eu and DGER, respectively) have been used as epoxy monomers in replacement of the diglycidyl ether of bisphenol A (DGEBA). Their curing with six different biobased anhydride hardeners leads to fully biobased epoxy thermosets. These materials exhibit interesting thermal and mechanical properties comparable to those obtained with conventional petrosourced DGEBA-based epoxy resins cured in similar conditions. In particular, a high Tg in the range of 90–130 °C and instantaneous moduli higher than 4.3 GPa have been recorded. These good performances are very encouraging, making these new fully biobased epoxy thermosets compatible with the usual structural application of epoxy materials.
Le texte complet de cet article est disponible en PDF.Graphical abstract |
Highlights |
• | Three biobased diepoxy derivatives were used in replacement of diglycidyl ether of bisphenol A. |
• | Six biobased anhydrides were used as hardeners. |
• | Fully biobased epoxy thermosets were synthesized. |
• | Material performances compatible with structural applications of epoxy composites. |
Keywords : Biobased resins, DEGBA alternative, Epoxy-anhydride thermosets, Curing process, Nanoindentation
Plan
Vol 20 - N° 11-12
P. 1006-1016 - novembre 2017 Retour au numéro
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