Mechanical and Thermal Properties of Bamboo Microfibril Reinforced Polyhydroxybutyrate Biocomposites |
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Authors: | R Krishnaprasad N R Veena Hanna J Maria Rathish Rajan Mikael Skrifvars Kuruvilla Joseph |
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Institution: | (1) Research and Development Centre, Manali Petrochemical Ltd, Chennai, Tamilnadu, 600 068, India;(2) Research and Post Graduate Department of Chemistry, St. Berchman’s College, Changanacherry, Kerala, 686 101, India;(3) School of Engineering, University College of Boras, Boras, 50190, Sweden;(4) Indian Institute of Space Science and Technology (IIST), ISRO, Thiruvananthapuram, Kerala, 695 022, India |
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Abstract: | In the present investigation, microfibrils were extracted from raw bamboo and characterized using scanning electron microscope.
Composites based on polyhydroxybutyrate (PHB) and bamboo microfibril were prepared with various microfibril loading. The mechanical
and thermal properties of the resulting composites were measured. Tensile strength and impact strength of the composites were
found to be increasing with increase in the loading of bamboo microfibrils, reached an optimum and thereafter decreased with
further increase in microfibril loading. Percentage crystallinity was found to be increasing with increase in fibril loading.
Thermal stability of the composite was higher than that of pure PHB. The composite could be developed further for various
structural applications. |
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