THE DIELECTRIC BEHAVIOR OF γ-IRRADIATED POLYETHER KETONE WITH CARDO GROUP

Li Shuzhong; Zhang Wanxi; He Zhongda; Xu Jun

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THE DIELECTRIC BEHAVIOR OF γ-IRRADIATED POLYETHER KETONE WITH CARDO GROUP

更新时间：2023-04-23

- THE DIELECTRIC BEHAVIOR OF γ-IRRADIATED POLYETHER KETONE WITH CARDO GROUP
- Journal of Radiation Research and Radiation Processing Vol. 11, Issue 2, Pages: 99-103(1993)
- 作者机构：
  
  1.中国科学院长春应用化学研究所，长春　130022
- 作者简介：
- 基金信息：
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Li Shuzhong, Zhang Wanxi, He Zhongda, et al. THE DIELECTRIC BEHAVIOR OF γ-IRRADIATED POLYETHER KETONE WITH CARDO GROUP. [J]. Journal of Radiation Research and Radiation Processing 11(2):99-103(1993)
DOI：

Li Shuzhong, Zhang Wanxi, He Zhongda, et al. THE DIELECTRIC BEHAVIOR OF γ-IRRADIATED POLYETHER KETONE WITH CARDO GROUP. [J]. Journal of Radiation Research and Radiation Processing 11(2):99-103(1993) DOI：

摘要

对γ辐照新型聚芳醚酮（PEK-C）的介电行为进行研究。20—200℃范围内的介电温度谱和30 Hz-1 MHz的频率谱表明。经过2.02 MGy剂量辐照后，PEK-C的介电行为发生了明显变化，不仅谱图形状有了改变，而且因辐照的PEK-C结构中产生了稳定的三苯自由基，介电系数ε′和介电损耗因子ε,″,大幅度增加，在20℃，1 kHz时前者由3上升到5,后者由5.4×10,-3,上升到4.6×10,-1,。

Abstract

In this paper, the dielectric behavior of γ-irradiated polyether ketone with cardo group (PKK-C) was studied. It was found that the obvious change of dielectric behavior exists after irradiated at the certain dose (2.02 MGy). The temperature spectra of dielectric loss factor ε" within the range of 20—200℃ and the frequency spectra of dielectric coefficient ε′ in the range of 30 Hz—1 MHz have shown that ε′ increases from 3 to 5 and ε" increases from 5.4×10,-3, to 4.6×10,-1, for the irradiated PEK-C.

关键词

聚芳醚酮（PEK-C）γ辐照辐照剂量介电行为温度谱频率谱

Keywords

Polyether ketone (PEK-C)γ-irradiationIrradiation doseDieleetric behaviorTemperature spectraFrequency spectra

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