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Influence of K2Ti6O13 on dielectric and barrier properties of polymer

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Abstract

Polymer composite comprising polyvinylidene fluoride (PVDF) and potassium hexatitante (K2Ti6O13) was synthesized by solution casting. The effect of K2Ti6O13 on surface, thermal, and electrical properties of polymer composite were investigated. The addition of K2Ti6O13 with polymer leads to thermal degradation and transition of polymer composite from semi-crystalline to amorphous phase. The optimum results of contact angle for different loading wt% of K2Ti6O13 were directly correlated with the surface morphology. Our experimental results confirmed the incorporation of K2Ti6O13 in polymer by SEM micrographs. The evaluated dielectric properties (ε' = 424; tan δ = 2.14 at 130 °C and 100 Hz frequency for 20 wt% loading of K2Ti6O13) for polymer composite are higher in compared to pure polymer. The enhancement in dielectric constant and changing the surface properties of polymer composite can be used for the development of electrochemical storage device applications.

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Acknowledgments

The authors would like to thank Naval Research Board, Defense Research and Development Organization (NRB-DRDO), New Delhi for financial support under Project No. 259/Mat./11–12, providing the instrumentation facility for electrical characterization. Authors are also thankful to Mr. Albert V. Tamashausky, Director of Research and Technical Services, Asbury Carbons, New Jersey for providing K2Ti6O13 as a sample and the management of VIT University for providing SEM facility under DST-FIST scheme.

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Authors and Affiliations

  1. Polymer Nanocomposite Laboratory, Department of Physics, School of Advanced Sciences, VIT University, Vellore, Tamil Nadu, -632014, India

    Mayank Pandey & Girish M. Joshi

  2. Department of Physics, University of Kalyani, Kalyani, West Bengal, Nadia-741235, India

    Subhratanu Bhattacharya

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  1. Mayank Pandey
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  2. Girish M. Joshi
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  3. Subhratanu Bhattacharya
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Correspondence to Girish M. Joshi.

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Pandey, M., Joshi, G.M. & Bhattacharya, S. Influence of K2Ti6O13 on dielectric and barrier properties of polymer. Ionics 22, 445–449 (2016). https://doi.org/10.1007/s11581-016-1647-8

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  • DOI: https://doi.org/10.1007/s11581-016-1647-8

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