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Polymers 2018, 10(8), 898; https://doi.org/10.3390/polym10080898

Influence of Electron Beam Irradiation on Electrical Insulating Properties of PLA with Soft Resin Added

Department of Electrical and Electronic Engineering, Hachinohe Institute of Technology, 88-1 Ohbiraki, Myo, Hachinohe 031-8501, Japan
Received: 15 June 2018 / Revised: 8 August 2018 / Accepted: 10 August 2018 / Published: 10 August 2018
(This article belongs to the Special Issue Radiation Effects in Polymers)
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Abstract

Polylactic acid (PLA), a bioplastic, is a hard resin, and requires softening in order to be used in electric wire sheaths. A soft resin was added to PLA in order to soften it, but this caused the electric breakdown strength (EB) to decrease. In this study, PLA with soft resin added was irradiated with an electron beam and the influence of the electron beam irradiation on EB was examined. The irradiation dose was set at 100 kGy. At 25 °C, the EB of PLA with no soft resin added decreased due to the irradiation. On the other hand, the EB of PLA with soft resin added showed almost no change due to the irradiation. At 80 °C, the EB of PLA with no soft resin added decreased due to the irradiation, as was the case at 25 °C. On the other hand, the EB of PLA with soft resin added increased due to the irradiation. View Full-Text
Keywords: polylactic acid; electrical insulating properties; electron beam irradiation polylactic acid; electrical insulating properties; electron beam irradiation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Shinyama, K. Influence of Electron Beam Irradiation on Electrical Insulating Properties of PLA with Soft Resin Added . Polymers 2018, 10, 898.

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