Investigation on Electrical and Dielectric Behaviour of Halloysite Nanotube Incorporated Polycarbonate Nanocomposite Films

  • G. Santhosh
  • G. P. Nayaka
  • Johnston Aranha
  • Siddaramaiah
Technical Paper

Abstract

Polycarbonate (PC) nanocomposites were fabricated by solution intercalation method with halloysite nanotubes (HNTs) as reinforcement. The effects of HNT content on the structural and dielectric properties were investigated. The properties of the fabricated films were probed with the intention to establish the consequence of nano-fillers on electrical characteristics/behaviours with PC. The incorporation of HNT generates notable performance enhancements through reinforcement effect. The electrical conductivity of polycarbonate got better when more than 4 wt% HNT is added. Interestingly, the integration of HNT significantly increases the dielectric permittivity of composite films with low dielectric loss which makes the nanocomposites attractive in practical applications such as electrical devices, electrical packaging and capacitors. Furthermore, the structural aspects were elucidated by X-Ray diffraction studies, Fourier transform infrared spectroscopy and dispersion of nanofillers in PC matrix were evaluated by scanning electron microscopy.

Keywords

Halloysite nanotubes Polycarbonate X-ray Dielectric SEM 

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Copyright information

© The Indian Institute of Metals - IIM 2017

Authors and Affiliations

  • G. Santhosh
    • 1
    • 3
  • G. P. Nayaka
    • 2
  • Johnston Aranha
    • 1
  • Siddaramaiah
    • 3
  1. 1.Department of Mechanical EngineeringNMAMITNitteIndia
  2. 2.Department of Industrial ChemistryKuvempu UniversityShankaraghattaIndia
  3. 3.Department of Polymer Science and TechnologySri Jayachamarajendra College of EngineeringMysoreIndia

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