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    Effects of repetitive processing, wood content, and coupling agent on the mechanical, thermal, and water absorption properties of wood/polypropylene green composites

    Access Status
    Fulltext not available
    Authors
    Kurniawan, Denni
    Kim, B.
    Lee, H.
    Lim, J.
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Kurniawan, D. and Kim, B. and Lee, H. and Lim, J. 2013. Effects of repetitive processing, wood content, and coupling agent on the mechanical, thermal, and water absorption properties of wood/polypropylene green composites, pp. 1301-1312.
    Source Title
    Journal of Adhesion Science and Technology
    DOI
    10.1080/01694243.2012.695948
    ISSN
    0169-4243
    School
    Curtin Malaysia
    URI
    http://hdl.handle.net/20.500.11937/66988
    Collection
    • Curtin Research Publications
    Abstract

    In an effort to determine to what extent natural fiber/plastic composites were recyclable, this study conducted repetitive processing cycles on wood flour/polypropylene composites through extrusion up to three times followed by injection molding. Mechanical properties of the composites, containing 10-50 wt% wood flour and with/without addition of 3 wt% maleic anhydride polypropylene (MAPP) as coupling agent, were evaluated by conducting tensile test, thermal analysis, and water absorption test. Repetitive processing as well as wood content and coupling agent addition influenced physical properties of the composites. MAPP functioned well in improving fiber-matrix adhesion in terms of mechanical properties. Repetitive processing did not deteriorate the composites properties; rather opposite effect was shown. Thermal analysis indicated that the alteration in properties was contributed by the molecular condition of the polypropylene matrix. Water absorption increased with the wood flour content but reduced when MAPP was added and with more processing cycles. © 2013 Taylor & Francis Group, LLC.

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