Bio-based epoxy resins and composites from epoxidized linseed oil crosslinked with different cyclic anhydrides and their combination with lignin - Université Côte d'Azur Access content directly
Journal Articles Cellulose Chemistry and Technology Year : 2020

Bio-based epoxy resins and composites from epoxidized linseed oil crosslinked with different cyclic anhydrides and their combination with lignin

Roxana M. Dinu
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Alice Mija
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Abstract

Biobased resins and composites with high biobased carbon content were prepared and characterized. Epoxidized linseed oil (ELO) was copolymerized with four cyclic anhydrides, the initiation step being optimized in terms of initiator nature and its ratio. The optimized ELO/anhydride formulations were combined with a high load of lignin, as biofiller, ~30 wt%. The obtained materials were characterized by TGA, DSC, DMA, gel content, water absorption (WA) and Shore hardness tests. The results revealed very good thermomechanical properties, high gel content and low WA, opening the way to their utilization as a sustainable alternative to oil-based resins and composites.

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Polymers
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Dates and versions

hal-03122539 , version 1 (08-02-2021)

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Roxana M. Dinu, Alice Mija. Bio-based epoxy resins and composites from epoxidized linseed oil crosslinked with different cyclic anhydrides and their combination with lignin. Cellulose Chemistry and Technology, 2020, 54 (9-10), pp.935-948. ⟨10.35812/CelluloseChemTechnol.2020.54.89⟩. ⟨hal-03122539⟩
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