Abstract
Post-irradiation studies have been carried out to elucidate the effects of electron beam irradiation on the structural, optical, dielectric, and thermal properties of high-density polyethylene (HDPE) films. The experimental results showed that both the optical band gap and activation energy of HDPE films decreases with an increase in the doses of electron radiation. The electrical measurements showed that dielectric constant and the ac conductivity of HDPE increases with an increase in the dose of electron radiation. The thermal analysis carried out using DSC and TGA revealed that the melting temperature, degree of crystallinity, and thermal stability of the HDPE films increased, obviously, due to the predominant cross-linking reaction following high doses of electron irradiation.
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Acknowledgements
The authors are thankful to the Board of Research in Nuclear Sciences (BRNS), Department of Atomic Energy, Mumbai, India for providing the financial support under Grant No. 2004/17-BRNS/1938. Our thanks are also due to the personnel of BRIT, Mumbai, India for their help during the electron irradiation and also for providing the experimental facilities.
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Kumar, H.G.H., Mathad, R.D., Ganesh, S. et al. Electron-Beam-Induced Modifications in High-Density Polyethylene. Braz J Phys 41, 7–14 (2011). https://doi.org/10.1007/s13538-011-0004-7
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DOI: https://doi.org/10.1007/s13538-011-0004-7