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| Formato: | Artículo científico |
| Lenguaje: | en |
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Sociedade Brasileira de Física
2011
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| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=46421597002 |
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- Electron-Beam-Induced Modifications in High-Density Polyethylene H. G. Harish Kumar R. D. Mathad S. Ganesh K. S. S. Sarma C. R. Haramaghatti Física, Astronomía y Matemáticas UV High vis spectroscopy Optical band gap Activation energy 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. 2011 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46421597002 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.1 Vol.41