Photoluminescence in polymeric insulating materials (low density polyethylene and polypropylene) induced by ultraviolet photons

T. Ito, T. Toyoda, Naoshi Hirai, Yoshimichi Ohki

研究成果: Conference contribution

1 引用 (Scopus)

抄録

Photoluminescence in polymeric insulating materials induced by ultraviolet photons causing degradation of the material was investigated. The structural changes in unirradiated and irradiated samples of polypropylene (PP) and low density polyethylene (LDPE) were examined by vacuum ultraviolet (VUV) absorption spectroscopy and Fourier transform infrared absorption (FT-IR) spectroscopy. The luminescence component was found to decrease around 3.6 eV-4 eV with an increase in irradiation time due to the decomposition of unsaturated ketone or benzene ring present in polymer as an impurity or antioxidant. In vacuum the luminescence component increased with an increase in irradiation time due to double bonds induced by the irradiation.

元の言語English
ホスト出版物のタイトルIEEE International Conference on Conduction and Breakdown in Solid Dielectrics
ページ319-323
ページ数5
出版物ステータスPublished - 2001
イベント7th International Conference on Solid Dielectrics - Eindhoven
継続期間: 2001 6 252001 6 29

Other

Other7th International Conference on Solid Dielectrics
Eindhoven
期間01/6/2501/6/29

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Insulating materials
Low density polyethylenes
Polypropylenes
Photoluminescence
Photons
Irradiation
Absorption spectroscopy
Luminescence
Polymers
Vacuum
Infrared absorption
Antioxidants
Ultraviolet spectroscopy
Ketones
Infrared spectroscopy
Benzene
Fourier transforms
Impurities
Decomposition
Degradation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

これを引用

Ito, T., Toyoda, T., Hirai, N., & Ohki, Y. (2001). Photoluminescence in polymeric insulating materials (low density polyethylene and polypropylene) induced by ultraviolet photons. : IEEE International Conference on Conduction and Breakdown in Solid Dielectrics (pp. 319-323)

Photoluminescence in polymeric insulating materials (low density polyethylene and polypropylene) induced by ultraviolet photons. / Ito, T.; Toyoda, T.; Hirai, Naoshi; Ohki, Yoshimichi.

IEEE International Conference on Conduction and Breakdown in Solid Dielectrics. 2001. p. 319-323.

研究成果: Conference contribution

Ito, T, Toyoda, T, Hirai, N & Ohki, Y 2001, Photoluminescence in polymeric insulating materials (low density polyethylene and polypropylene) induced by ultraviolet photons. : IEEE International Conference on Conduction and Breakdown in Solid Dielectrics. pp. 319-323, 7th International Conference on Solid Dielectrics, Eindhoven, 01/6/25.
Ito T, Toyoda T, Hirai N, Ohki Y. Photoluminescence in polymeric insulating materials (low density polyethylene and polypropylene) induced by ultraviolet photons. : IEEE International Conference on Conduction and Breakdown in Solid Dielectrics. 2001. p. 319-323
Ito, T. ; Toyoda, T. ; Hirai, Naoshi ; Ohki, Yoshimichi. / Photoluminescence in polymeric insulating materials (low density polyethylene and polypropylene) induced by ultraviolet photons. IEEE International Conference on Conduction and Breakdown in Solid Dielectrics. 2001. pp. 319-323
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abstract = "Photoluminescence in polymeric insulating materials induced by ultraviolet photons causing degradation of the material was investigated. The structural changes in unirradiated and irradiated samples of polypropylene (PP) and low density polyethylene (LDPE) were examined by vacuum ultraviolet (VUV) absorption spectroscopy and Fourier transform infrared absorption (FT-IR) spectroscopy. The luminescence component was found to decrease around 3.6 eV-4 eV with an increase in irradiation time due to the decomposition of unsaturated ketone or benzene ring present in polymer as an impurity or antioxidant. In vacuum the luminescence component increased with an increase in irradiation time due to double bonds induced by the irradiation.",
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