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Influence of TiO2-Modification on the Mechanical and Thermal Properties of Sugarcane Bagasse–EVA Composites

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Abstract

The effect of nano-particles of TiO2 on the mechanical and thermal properties of sugarcane bagasse (SCB)–ethylene co-vinyl acetate (EVA) composite was investigated. Composite materials were prepared using a melt-mix intercalation method on a rheomex mixer coupled with a single screw extruder. differential scanning calorimeter (DSC), thermogravimetric (TG) analyser and an Instron, were used to probe the thermal and mechanical properties of the samples. Composites with TiO2 were compared with those without TiO2 but with the same content of sugarcane bagasse (SCB). After the addition of TiO2, the tensile strength increased by 10%, from 11.26 MPa for neat EVA, which correlated with the enthalpy of fusion, however, the tensile strength decreased by 18% at higher SCB loading. Elongation at break decreased from 463 to 0% as the filler (SCB) was increased which was inversely proportional to the modulus. The composite showed an improved thermal stability with the addition of TiO2.

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Acknowledgments

The authors would like to thank the University of Johannesburg and MINTEK/Nanotechnology Innovation Centre for funding of this work and I also appreciate the help from SASOL POLYMERS’ staff and management for the mechanical testing.

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Authors and Affiliations

  1. Faculty of Science, Department of Chemical Technology, University of Johannesburg, P.O. Box 17011, Doornfontein, 2028, South Africa

    G. D. Vilakati, S. B. Mishra & B. B. Mamba

  2. UJ Nanomaterials Science Research Group, Department of Chemical Technology, University of Johannesburg, P.O. Box 17011, Doornfontien, 2028, Johannesburg, South Africa

    A. K. Mishra

  3. Faculty of Science, Department of Chemistry, University of Swaziland, Private Bag 4, Kwaluseni, M201, Swaziland

    J. M. Thwala

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  1. G. D. Vilakati
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  2. A. K. Mishra
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  3. S. B. Mishra
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  4. B. B. Mamba
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Correspondence to A. K. Mishra.

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Vilakati, G.D., Mishra, A.K., Mishra, S.B. et al. Influence of TiO2-Modification on the Mechanical and Thermal Properties of Sugarcane Bagasse–EVA Composites. J Inorg Organomet Polym 20, 802–808 (2010). https://doi.org/10.1007/s10904-010-9398-x

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  • DOI: https://doi.org/10.1007/s10904-010-9398-x

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