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Issue 73, 2016, Issue in Progress
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Diglycidylether of iso-eugenol: a suitable lignin-derived synthon for epoxy thermoset applications

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Abstract

A novel lignin-based synthon, diglycidylether of iso-eugenol (DGE-isoEu) is used as a prepolymer for the preparation of thermosetting resins. DGE-isoEu is synthesized in a two-step procedure with a satisfactory yield from bio-based iso-eugenol (isoEu, 2-methoxy-4-(1-propenyl)phenol) catalytically fragmented from lignin in an organosolv process. DGE-isoEu was fully characterized by NMR, MS and FTIR. Curing of the DGE-isoEu monomer has then been investigated in the presence of several carboxylic acid derivatives hardeners. The thermal and mechanical properties of each material were recorded showing, in particular, a high Tg and instantaneous modulus values in the range of 78–120 °C and 4.6–5.5 GPa, respectively. The lignin derived new materials give very attractive thermo-mechanical properties comparable to that of common BPA-containing epoxy resins.

Graphical abstract: Diglycidylether of iso-eugenol: a suitable lignin-derived synthon for epoxy thermoset applications

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Publication details

The article was received on 11 Jun 2016, accepted on 14 Jul 2016 and first published on 14 Jul 2016


Article type: Paper
DOI: 10.1039/C6RA15200G
Citation: RSC Adv., 2016,6, 68732-68738
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    Diglycidylether of iso-eugenol: a suitable lignin-derived synthon for epoxy thermoset applications

    C. François, S. Pourchet, G. Boni, S. Fontaine, Y. Gaillard, V. Placet, M. V. Galkin, A. Orebom, J. Samec and L. Plasseraud, RSC Adv., 2016, 6, 68732
    DOI: 10.1039/C6RA15200G

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