Effects of Heat and Radiation on the Terahertz Absorption in Silicone Rubber

T. Kaneko; Naoshi Hirai; Yoshimichi Ohki

doi:10.1109/ICD.2018.8470044

Effects of Heat and Radiation on the Terahertz Absorption in Silicone Rubber

T. Kaneko, Naoshi Hirai, Yoshimichi Ohki

Kagami Memorial Research Institute for Materials Science and Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

The effects of heat and radiation on the terahertz (THz) absorption spectra in silicone rubber (SiR) was examined. By conducting peak fitting, the THz absorption was found to be composed of several components at 1.2, 2.0, 4.1, 4.6, and 5.5 THz. By analyzing the changes of these components as a function of the ageing time, the 1.2-THz absorption seems to have a certain close relation with Si-CH-{mathbf {3}}textbf, while the 2.0-THz absorption is related with the formation of carbonyls. Furthermore, SiR seems to form mainly cross-linked structures if it is annealed thermally, whereas decomposition becomes dominant if it is gammairradiated at room temperature.

Original language	English
Title of host publication	2018 IEEE 2nd International Conference on Dielectrics, ICD 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	223DUMMY
ISBN (Electronic)	9781538663899
DOIs	https://doi.org/10.1109/ICD.2018.8470044
Publication status	Published - 2018 Sep 19
Event	2nd IEEE International Conference on Dielectrics, ICD 2018 - Budapest, Hungary Duration: 2018 Jul 1 → 2018 Jul 5

Other

Other	2nd IEEE International Conference on Dielectrics, ICD 2018
Country	Hungary
City	Budapest
Period	18/7/1 → 18/7/5

Keywords

Carbonyl groups
Crosslinking
Decomposition
Infrared absorption spectroscopy
Inorganic polymer
Nondestructive degradation diagnosis
Spectroscopic analysis

ASJC Scopus subject areas

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/ICD.2018.8470044

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Cite this

Kaneko, T., Hirai, N., & Ohki, Y. (2018). Effects of Heat and Radiation on the Terahertz Absorption in Silicone Rubber. In 2018 IEEE 2nd International Conference on Dielectrics, ICD 2018 (pp. 223DUMMY). [8470044] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICD.2018.8470044

Kaneko, T, Hirai, N & Ohki, Y 2018, Effects of Heat and Radiation on the Terahertz Absorption in Silicone Rubber. in 2018 IEEE 2nd International Conference on Dielectrics, ICD 2018., 8470044, Institute of Electrical and Electronics Engineers Inc., pp. 223DUMMY, 2nd IEEE International Conference on Dielectrics, ICD 2018, Budapest, Hungary, 18/7/1. https://doi.org/10.1109/ICD.2018.8470044

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title = "Effects of Heat and Radiation on the Terahertz Absorption in Silicone Rubber",

abstract = "The effects of heat and radiation on the terahertz (THz) absorption spectra in silicone rubber (SiR) was examined. By conducting peak fitting, the THz absorption was found to be composed of several components at 1.2, 2.0, 4.1, 4.6, and 5.5 THz. By analyzing the changes of these components as a function of the ageing time, the 1.2-THz absorption seems to have a certain close relation with Si-CH-{mathbf {3}}textbf, while the 2.0-THz absorption is related with the formation of carbonyls. Furthermore, SiR seems to form mainly cross-linked structures if it is annealed thermally, whereas decomposition becomes dominant if it is gammairradiated at room temperature.",

keywords = "Carbonyl groups, Crosslinking, Decomposition, Infrared absorption spectroscopy, Inorganic polymer, Nondestructive degradation diagnosis, Spectroscopic analysis",

author = "T. Kaneko and Naoshi Hirai and Yoshimichi Ohki",

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Y1 - 2018/9/19

N2 - The effects of heat and radiation on the terahertz (THz) absorption spectra in silicone rubber (SiR) was examined. By conducting peak fitting, the THz absorption was found to be composed of several components at 1.2, 2.0, 4.1, 4.6, and 5.5 THz. By analyzing the changes of these components as a function of the ageing time, the 1.2-THz absorption seems to have a certain close relation with Si-CH-{mathbf {3}}textbf, while the 2.0-THz absorption is related with the formation of carbonyls. Furthermore, SiR seems to form mainly cross-linked structures if it is annealed thermally, whereas decomposition becomes dominant if it is gammairradiated at room temperature.

AB - The effects of heat and radiation on the terahertz (THz) absorption spectra in silicone rubber (SiR) was examined. By conducting peak fitting, the THz absorption was found to be composed of several components at 1.2, 2.0, 4.1, 4.6, and 5.5 THz. By analyzing the changes of these components as a function of the ageing time, the 1.2-THz absorption seems to have a certain close relation with Si-CH-{mathbf {3}}textbf, while the 2.0-THz absorption is related with the formation of carbonyls. Furthermore, SiR seems to form mainly cross-linked structures if it is annealed thermally, whereas decomposition becomes dominant if it is gammairradiated at room temperature.

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KW - Crosslinking

KW - Decomposition

KW - Infrared absorption spectroscopy

KW - Inorganic polymer

KW - Nondestructive degradation diagnosis

KW - Spectroscopic analysis

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