Terahertz spectroscopic diagnosis of degradation of ethylene-propylene-diene copolymer

Yoshimichi Ohki, Takuya Kozai, Marina Komatsu, Naoshi Hirai

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

Abstract

Flame-retardant ethylene-propylene-diene copolymer (FR-EPDM) with the same additives as those used in nuclear power plants was analyzed by terahertz (THz) and infrared (IR) absorption spectroscopy, before and after the irradiation by γ-rays. As a result, it has become clear that THz spectroscopy can indicate the degradation of the FR-EPDM samples better than IR spectroscopy. Namely, the THz spectroscopy can indicate the oxidation of the samples, which is difficult by IR spectroscopy.

Original languageEnglish
Title of host publicationProceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages646-649
Number of pages4
Volume2
ISBN (Electronic)9781509028023
DOIs
Publication statusPublished - 2016 Aug 18
Event1st IEEE International Conference on Dielectrics, ICD 2016 - Montpellier, France
Duration: 2016 Jul 32016 Jul 7

Other

Other1st IEEE International Conference on Dielectrics, ICD 2016
CountryFrance
CityMontpellier
Period16/7/316/7/7

Keywords

  • ethylene-propylene-diene copolymer
  • infrared absorption
  • polymer degradation
  • terahertz spectroscopy

ASJC Scopus subject areas

  • Polymers and Plastics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Ceramics and Composites

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    Ohki, Y., Kozai, T., Komatsu, M., & Hirai, N. (2016). Terahertz spectroscopic diagnosis of degradation of ethylene-propylene-diene copolymer. In Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016 (Vol. 2, pp. 646-649). [7547698] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICD.2016.7547698