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Evolution of terahertz dielectric permittivity of rubber during thermo-oxidative aging
Chang, Tianying1,2; Zhang, Xiansheng2; Cui, Hong-Liang1,3
2018
Abstract

Polymer materials such as rubber and plastics are prone to aging induced degradation, especially thermo-oxidative aging. In this paper, terahertz time-domain spectroscopy was employed to investigate the aging process of styrene butadiene rubber by spectrally following the evolution of its dielectric permittivity in the terahertz frequency region during prolonged high-temperature, accelerated, continuous thermo-oxidative aging. The real and imaginary parts of the dielectric constant in the 0.1-0.8THz frequency band were obtained and analyzed, and shown to be consistent with present theoretical understanding. The study revealed a close relationship between the evolution of the rubber's dielectric permittivity and the material's physical response to the terahertz electromagnetic radiation during thermo-oxidative aging, manifesting a strong correlation between quantitative changes of the dielectric permittivity and the degree of aging, which can be understood qualitatively in terms of dynamical structural changes at the molecular level.

KeywordTerahertz Rubber Thermo-oxidative Aging Dielectric Permittivity
DOI10.1002/mop.30930
Source PublicationMICROWAVE AND OPTICAL TECHNOLOGY LETTERS
ISSN0895-2477
Volume60Issue:1Pages:127-134
Indexed BySCI
WOS IDWOS:000416937700022
Language英语
Funding ProjectNational Natural Science Foundation of China[61705120] ; Shandong Academy of Sciences[2017QN0015] ; Department of Science & Technology of Shandong Province[2017GGX10108] ; Department of Science & Technology of Shandong Province[2016GGX101010]
WOS Research AreaEngineering ; Optics
WOS SubjectEngineering, Electrical & Electronic ; Optics
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://124.16.212.251/handle/2HOD01W0/90
Collection应用物理研究中心
Affiliation1.Shandong Acad Sci, Inst Automat, Jinan 250014, Shandong, Peoples R China
2.Jilin Univ, Coll Instrumentat & Elect Engn, Changchun 130012, Jilin, Peoples R China
3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
Recommended Citation
GB/T 7714
Chang, Tianying,Zhang, Xiansheng,Cui, Hong-Liang. Evolution of terahertz dielectric permittivity of rubber during thermo-oxidative aging[J]. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS,2018,60(1):127-134.
APA Chang, Tianying,Zhang, Xiansheng,&Cui, Hong-Liang.(2018).Evolution of terahertz dielectric permittivity of rubber during thermo-oxidative aging.MICROWAVE AND OPTICAL TECHNOLOGY LETTERS,60(1),127-134.
MLA Chang, Tianying,et al."Evolution of terahertz dielectric permittivity of rubber during thermo-oxidative aging".MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 60.1(2018):127-134.
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