Effect of a solvent‐free acetylation treatment on reinforcements permeability and tensile behaviour of flax/epoxy and flax/wood fibre/epoxy composites

Meriem El Boustani; Gilbert Lebrun; François Brouillette; Ahmed Belfkira

doi:10.1002/cjce.22777

journal article Feb 10, 2017

Effect of a solvent‐free acetylation treatment on reinforcements permeability and tensile behaviour of flax/epoxy and flax/wood fibre/epoxy composites

Meriem El Boustani Gilbert Lebrun François Brouillette Ahmed Belfkira

The Canadian Journal of Chemical Engineering Vol. 95 No. 6 pp. 1082-1092 · Wiley

View at Publisher Save 10.1002/cjce.22777

Abstract

ABSTRACTAcetylation is a common way to enhance interfacial adhesion between natural fibres and polymeric matrices in composites. This work investigates the effect of a solvent‐free environmentally friendly acetylation treatment of short flax and kraft fibres on the impregnation behaviour and tensile properties of flax fibre/epoxy composites. Untreated and acetylated fibres have been used to prepare fibre mats, which were next studied for their morphology, their permeability to liquid epoxy, and their ability to adhere to the epoxy matrix after cure. The results show that acetylation enhances the roughness of flax fibres and improves fibre‐matrix interaction, but reduces the permeability of the fibre mats and the intrinsic properties of fibres, thus leading to slightly lower composite modulus and strength. The proposed treatment is an interesting option to improve the affinity between natural fibres and polymeric matrices, but more work will be required to improve the interfacial adhesion without damaging the fibres.

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References

Details

Published: Feb 10, 2017
Vol/Issue: 95(6)
Pages: 1082-1092
License: View

Authors

M

Meriem El Boustani

Lignocellulosic Materials Research Center (CRML) Université du Québec à Trois‐Rivières P.O. Box 500, Trois‐Rivières, QC, G9A 5H7 Canada; Laboratory of Mechanics and Eco‐materials (LMEM) Université du Québec à Trois‐Rivières P.O. Box 500, Trois‐Rivières, QC, G9A 5H7 Canada; Bioorganic and Macromolecular Chemistry Laboratory (LCBM) Université Cadi Ayyad Faculté des Sciences et Techniques Av. Abdelkarim Elkhattabi B.P 549 Marrakesh Morocco

G

Gilbert Lebrun

Lignocellulosic Materials Research Center (CRML) Université du Québec à Trois‐Rivières P.O. Box 500, Trois‐Rivières, QC, G9A 5H7 Canada; Laboratory of Mechanics and Eco‐materials (LMEM) Université du Québec à Trois‐Rivières P.O. Box 500, Trois‐Rivières, QC, G9A 5H7 Canada

F

François Brouillette

Lignocellulosic Materials Research Center (CRML) Université du Québec à Trois‐Rivières P.O. Box 500, Trois‐Rivières, QC, G9A 5H7 Canada; Laboratory of Mechanics and Eco‐materials (LMEM) Université du Québec à Trois‐Rivières P.O. Box 500, Trois‐Rivières, QC, G9A 5H7 Canada

A

Ahmed Belfkira

Bioorganic and Macromolecular Chemistry Laboratory (LCBM) Université Cadi Ayyad Faculté des Sciences et Techniques Av. Abdelkarim Elkhattabi B.P 549 Marrakesh Morocco

Funding

Natural Sciences and Engineering Research Council of Canada

Cite This Article

Meriem El Boustani, Gilbert Lebrun, François Brouillette, et al. (2017). Effect of a solvent‐free acetylation treatment on reinforcements permeability and tensile behaviour of flax/epoxy and flax/wood fibre/epoxy composites. The Canadian Journal of Chemical Engineering, 95(6), 1082-1092. https://doi.org/10.1002/cjce.22777

Effect of a solvent‐free acetylation treatment on reinforcements permeability and tensile behaviour of flax/epoxy and flax/wood fibre/epoxy composites

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