Flax fiber surface modifications: Effects on fiber physico mechanical and flax/polypropylene interface properties

A. Arbelaiz, G. Cantero, B. Fernández, I. Mondragon, P. Gañán, J. M. Kenny

    Research output: Contribution to journalArticlepeer-review

    132 Scopus citations

    Abstract

    This study arises on the opportunities of using flax fibers as reinforcement for polypropylene (PP) matrix composites. For this purpose, untreated flax fiber bundles obtained by a retting process have been used. For improving compatibility between flax fiber bundles and PP matrix, fiber surface treatments such as mateic anhydride, mateic anhydride polypropylene copolymer, and vinyltrimethoxy silane have been carried out. On the other hand, alkali treatment has also been carried out for fiber modification. The effect of surface modification on tensile properties of single fibers and also on fiber-matrix interfacial shear strength (IFSS) has been analyzed. Finally, both optical microscopy and atomic force microscopy have been used for characterizing flax fiber microstructural features. The current study completes previous results to elucidate the influence of treatments on fiber surface and flax fiber-PP interface.

    Original languageEnglish
    Pages (from-to)324-332
    Number of pages9
    JournalPolymer Composites
    Volume26
    Issue number3
    DOIs
    StatePublished - Jun 2005

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