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Crystallization and thermal properties of polylactide/palygorskite composites

Authors

  • Sreejarani Kesavan Pillai,

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    1. DST/CSIR Nanotechnology Innovation Centre, National Centre for Nano-Structured Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
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  • Vincent Ojijo,

    1. DST/CSIR Nanotechnology Innovation Centre, National Centre for Nano-Structured Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
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  • Suprakas Sinha Ray

    1. DST/CSIR Nanotechnology Innovation Centre, National Centre for Nano-Structured Materials, Council for Scientific and Industrial Research, Pretoria, South Africa
    2. Department of Applied Chemistry, University of Johannesburg, Doornforntein, Johannesburg, South Africa
    3. Department of Chemistry, King Abdulaziz University, Jeddah, Kingdom of Saudi Arab
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ABSTRACT

Polylactide palygorskite (fibrous clay) composites were prepared by solvent casting method. Both pristine and organically modified palygorskite were used for composite preparation. The detailed crystallization behavior, morphology, and thermal properties of neat polylactide and the corresponding composites were investigated by using differential scanning calorimetry, polarized optical microscopy, scanning electron microscopy and wide angle X-ray diffraction techniques. The results showed that the crystallization and thermal characteristics of neat PLA were influenced significantly by the presence of palygorskite nanoparticles. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40414.

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