Effect of water absorption on mechanical properties of sugar palm fibre reinforced sugar palm starch (SPF/SPS) biocomposites

J. Sahari, S. M. Sapuan, E. S. Zainudin, M. A. Maleque

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    A novel biocomposite where both natural fibre and matrix are derived from underutilized parts of sugar palm tree was successfully developed. This 100% green materials can lead to solve depletion and non degradable polymer waste disposal problems. Unfortunately, since moisture absorption is a matter of concern in biocomposites, the effect of water absorption on mechanical properties of sugar palm fibre reinforced sugar palm starch (SPF/SPS) composites has been studied. From this investigation, it can be seen that tensile and impact strengths of biocomposites increase with the increase of fibre content. This enhancement indicates the effectiveness of the SPF to act as reinforcement for composites. But the mechanical properties of the biocomposites dropped after being stored for 72 hours at RH = 75%. In general, the weight gain due to water absorption of all biocomposites linearly increased with the increase of square root of immersion time and it tends to be more constant after a 48 h, following a Fickian diffusion process. Furthermore, moisture absorption decreased with the increase of sugar palm fibre (SPF) content. SEM micrographs showed good dispersion and adhesion between sugar palm starch (SPS) and SPF but large cracks appear on the surface of the matrix (SPS) due to water absorption.

    Original languageEnglish
    Pages (from-to)90-94
    Number of pages5
    JournalJournal of Biobased Materials and Bioenergy
    Volume7
    Issue number1
    DOIs
    Publication statusPublished - Feb 2013

    Fingerprint

    Water absorption
    Starch
    Sugars
    Mechanical properties
    Fibers
    Moisture
    Natural fibers
    Composite materials
    Impact strength
    Waste disposal
    Reinforcement
    Polymers
    Tensile strength
    Adhesion
    Cracks
    Scanning electron microscopy

    Keywords

    • Mechanical properties
    • Sugar palm fibre
    • Sugar palm starch
    • Water absorption

    ASJC Scopus subject areas

    • Biomaterials
    • Bioengineering
    • Renewable Energy, Sustainability and the Environment

    Cite this

    Effect of water absorption on mechanical properties of sugar palm fibre reinforced sugar palm starch (SPF/SPS) biocomposites. / Sahari, J.; Sapuan, S. M.; Zainudin, E. S.; Maleque, M. A.

    In: Journal of Biobased Materials and Bioenergy, Vol. 7, No. 1, 02.2013, p. 90-94.

    Research output: Contribution to journalArticle

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