Mechanical Properties of Unidirectional Flax Fabric-Reinforced Furan Composites: Effect of Alkaline Treatment and Silane Coupling Treatment

Ketkanok Aphichartsuphapkhajorn; Yoshihiko Arao; Masatoshi Kubouchi

doi:10.4028/www.scientific.net/MSF.951.33

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HomeMaterials Science ForumMaterials Science Forum Vol. 951Mechanical Properties of Unidirectional Flax...

Mechanical Properties of Unidirectional Flax Fabric-Reinforced Furan Composites: Effect of Alkaline Treatment and Silane Coupling Treatment

Abstract:

Composite materials based on bio-derived furan resin and natural fiber as reinforcing elements were studied. The purpose of this research is to improve the mechanical properties of this composite material by focusing on the natural fiber treatment methods. Unidirectional flax fabric was pretreated by alkaline treatment, silane coupling treatment, and the combination between alkaline and silane treatment before impregnating with furan resin. Three-point bending test, SEM observation, and ATR-IR analysis were carried out to evaluate the effects of treatment methods on the composite samples. Results reveal that the flexural strength of the composite was increased to 215MPa, 232MPa, 247MPa for alkaline, silane, and alkaline-silane treated composites respectively while the flexural strength of the untreated composite sample is 200MPa. SEM images show the effects of alkaline treatment on a single flax fiber at different treatment durations. The coupling of silane on the surface of flax fiber was confirmed by ATR-IR.

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Periodical:

Materials Science Forum (Volume 951)

Pages:

33-38

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https://doi.org/10.4028/www.scientific.net/MSF.951.33

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Online since:

April 2019

Authors:

Ketkanok Aphichartsuphapkhajorn, Yoshihiko Arao, Masatoshi Kubouchi*

Keywords:

Alkaline Treatment, Composite, Flax Fiber, Furan Resin, NFRPs, Silane Treatment

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