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Effect of epoxidized palm oil on the mechanical and morphological properties of a PLA–PCL blend

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Abstract

In this study, the effects of epoxidized palm oil (EPO) on the mechanical and morphological properties of a blend of two types of biodegradable polymer, poly(lactic acid) (PLA) and polycaprolactone (PCL), were investigated. The solution-casting process, with chloroform as a solvent, was used to prepare samples. Addition of EPO reduced the tensile strength and modulus but increased elongation at break for the PLA–PCL blend. The highest elongation at break was observed for the blend with 10 % (w/w) EPO content. Scanning electron microscopy (SEM) indicated that the fractured surface morphology of the PLA–PCL blend became more stretched and homogeneous in PLA–PCL–EPO. Possible interactions between the PLA–PCL blend and EPO were also characterized by use of Fourier-transform infrared (FTIR) spectroscopy. Thermal stability was studied by differential scanning calorimetry and thermogravimetric analysis. The results from FTIR and SEM revealed that the miscibility of the PLA–PCL blend was improved by addition of EPO.

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Acknowledgments

The authors would like to thank Universiti Putra Malaysia (UPM) for supporting this paper. All the technical staff in the Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, are also acknowledged for their assistance.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia

    Emad A. Jaffar Al-Mulla, Nor Azowa Bt Ibrahim, Kamyar Shameli & Mansor Bin Ahmad

  2. Department of Chemistry, College of Science, University of Kufa, P.O. Box 21, An Najaf, 54001, Iraq

    Emad A. Jaffar Al-Mulla

  3. Materials and Energy Research Center, 3177983634, Karaj, Iran

    Kamyar Shameli

  4. Faculty of Defence Science and Technology, National Defence University of Malaysia, Sungai Besi Camp, 57000, Kuala Lumpur, Malaysia

    Wan Md. Zin Wan Yunus

Authors
  1. Emad A. Jaffar Al-Mulla
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  2. Nor Azowa Bt Ibrahim
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  3. Kamyar Shameli
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  4. Mansor Bin Ahmad
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  5. Wan Md. Zin Wan Yunus
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Correspondence to Emad A. Jaffar Al-Mulla.

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Jaffar Al-Mulla, E.A., Ibrahim, N.A.B., Shameli, K. et al. Effect of epoxidized palm oil on the mechanical and morphological properties of a PLA–PCL blend. Res Chem Intermed 40, 689–698 (2014). https://doi.org/10.1007/s11164-012-0994-y

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  • DOI: https://doi.org/10.1007/s11164-012-0994-y

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