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Improving the processing and rheological properties of natural fibre / polypropylene composites

  • Jorge I. Fajardo
  • , Diego R. Lasso
  • , César A. Paltán
  • , Luis M. López
  • , Diego Perguachi
  • , Luis J. Cruz

    Research output: Chapter in Book/Conference proceedingConference and proceedingspeer-review

    Abstract

    Processing and rheological properties of natural fibre/polypropylene composites were evaluated using melt flow index (MFI) and torque rheometer tests. These properties have an important impact on manufacturing process of biocomposites either extrusion or injection moulding. Bamboo, sisal and sawdust were used as reinforcement of polypropylene at 20, 30 and 40 wt. % to evaluate the effect of fibre content and kind of filler on the melt flow properties. A coupling agent of maleic anhydride grafted polypropylene (MAPP) was applied at 2, 4 and 6 wt. % to enhance adhesion between fibre and matrix. Without MAPP the maximum fusion torque was increased because the filler content while MFI was reduced. Type of fibre affects MFI considerably. MAPP reduced the maximum torque until to 45% and MFI was increased. This fact reduces the energy needed to develop biocomposites and can be utilized to set ideal processing conditions to optimize production performance.

    Original languageEnglish
    Title of host publicationProceedings - TORONTO'2015 AES-ATEMA 25th International Conference on Advancesand Trends in Engineering Materials and their Applications, ATEMA TORONTO 2015
    EditorsYehia M. Haddad
    PublisherAdvanced Engineering Solutions
    Pages57-64
    Number of pages8
    ISBN (Electronic)9781927838143
    StatePublished - 2015
    Event25th International Conference on Advancesand Trends in Engineering Materials and their Applications, ATEMA TORONTO 2015 - Toronto, Canada
    Duration: 10 Aug 201514 Aug 2015

    Publication series

    NameAES-ATEMA International Conference Series - Advances and Trends in Engineering Materials and their Applications
    Volume10-14-August-2015
    ISSN (Print)1924-3642

    Conference

    Conference25th International Conference on Advancesand Trends in Engineering Materials and their Applications, ATEMA TORONTO 2015
    Country/TerritoryCanada
    CityToronto
    Period10/08/1514/08/15

    Bibliographical note

    Publisher Copyright:
    © 2015, Advanced Engineering Solutions [AES.COM] Ottawa, Canada. All rights are reserved.

    Keywords

    • Energy process
    • Flow conditions
    • Fusion time
    • Melt flow index
    • Natural fibre
    • Rheological properties
    • Torque rheometer

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