Chemiluminescence characteristics of FR-EPDM and SiR aged by concurrently-given heat and radiation

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Flame-retardant ethylene propylene diene copolymer (FR-EPDM) and silicone rubber (SiR) were aged by heat with or without concurrent irradiation of gamma rays. For these samples, chemiluminescence (CL) and infrared absorption spectra were measured. Although the CL intensity decreases with an increase in total dose of gamma rays both in FR-EPDM and SiR, this negative dose-dependence is weaker in FR-EPDM than in SiR. This is reasonable, since CL appears when a substance is oxidized. Namely, the CL intensity becomes weak if the sample was already oxidized. While FR-EPDM is an organic polymer that can be oxidized easily, SiR is an inorganic polymer with siloxane bonds. Moreover, carbonyl groups appear when FR-EPDM is degraded, while SiR forms mainly a crosslinked structure by bridging two silicons by one oxygen when it is irradiated by gamma rays. Such differences in degradation mechanism between two insulating polymers are reflected on their CL properties.

Original languageEnglish
Title of host publication2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages853-856
Number of pages4
Volume2016-December
ISBN (Electronic)9781509046546
DOIs
Publication statusPublished - 2016 Dec 15
Event2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016 - Toronto, Canada
Duration: 2016 Oct 162016 Oct 19

Other

Other2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016
CountryCanada
CityToronto
Period16/10/1616/10/19

Fingerprint

Flame Retardants
Silicone Elastomers
Chemiluminescence
Flame retardants
Silicones
Propylene
Rubber
Ethylene
Copolymers
Radiation
Gamma rays
Siloxanes
Inorganic polymers
Organic polymers
Infrared absorption
Silicon
Dosimetry
Absorption spectra
Polymers
Hot Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Ikeno, R., Hirai, N., & Ohki, Y. (2016). Chemiluminescence characteristics of FR-EPDM and SiR aged by concurrently-given heat and radiation. In 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016 (Vol. 2016-December, pp. 853-856). [7785443] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CEIDP.2016.7785443

Chemiluminescence characteristics of FR-EPDM and SiR aged by concurrently-given heat and radiation. / Ikeno, Risa; Hirai, Naoshi; Ohki, Yoshimichi.

2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016. Vol. 2016-December Institute of Electrical and Electronics Engineers Inc., 2016. p. 853-856 7785443.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ikeno, R, Hirai, N & Ohki, Y 2016, Chemiluminescence characteristics of FR-EPDM and SiR aged by concurrently-given heat and radiation. in 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016. vol. 2016-December, 7785443, Institute of Electrical and Electronics Engineers Inc., pp. 853-856, 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016, Toronto, Canada, 16/10/16. https://doi.org/10.1109/CEIDP.2016.7785443
Ikeno R, Hirai N, Ohki Y. Chemiluminescence characteristics of FR-EPDM and SiR aged by concurrently-given heat and radiation. In 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016. Vol. 2016-December. Institute of Electrical and Electronics Engineers Inc. 2016. p. 853-856. 7785443 https://doi.org/10.1109/CEIDP.2016.7785443
Ikeno, Risa ; Hirai, Naoshi ; Ohki, Yoshimichi. / Chemiluminescence characteristics of FR-EPDM and SiR aged by concurrently-given heat and radiation. 2016 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2016. Vol. 2016-December Institute of Electrical and Electronics Engineers Inc., 2016. pp. 853-856
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abstract = "Flame-retardant ethylene propylene diene copolymer (FR-EPDM) and silicone rubber (SiR) were aged by heat with or without concurrent irradiation of gamma rays. For these samples, chemiluminescence (CL) and infrared absorption spectra were measured. Although the CL intensity decreases with an increase in total dose of gamma rays both in FR-EPDM and SiR, this negative dose-dependence is weaker in FR-EPDM than in SiR. This is reasonable, since CL appears when a substance is oxidized. Namely, the CL intensity becomes weak if the sample was already oxidized. While FR-EPDM is an organic polymer that can be oxidized easily, SiR is an inorganic polymer with siloxane bonds. Moreover, carbonyl groups appear when FR-EPDM is degraded, while SiR forms mainly a crosslinked structure by bridging two silicons by one oxygen when it is irradiated by gamma rays. Such differences in degradation mechanism between two insulating polymers are reflected on their CL properties.",
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