| 聚丙烯的动态和平衡态热刺激电流 |
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| 引用本文： | 曹万强,王勇,李景德.聚丙烯的动态和平衡态热刺激电流[J].物理化学学报,1996,12(12):1090-1093. |
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| 作者姓名： | 曹万强 王勇 李景德 |
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| 作者单位： | Department of Physics,Zhongshan University,Guangzhou 510275 |
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| 基金项目： | 国家自然科学基金，中山大学科学基金 |
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| 摘 要： | 通常的热刺激电流谱是等速升温测量结果，但解谱时要假设热平衡态的两个基本方程成立。若改进为采用阶跃升温方法，则可不必用这两个假设，实验将直接给出冷冻下来的极化电荷驰豫时间随温度的变化。以聚丙烯为例对两种方法的测量结果作了比较。
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| 关 键 词： | 聚丙烯 热刺激电流 介电谱 |
| 收稿时间： | 1996-06-13 |
| 修稿时间： | 1996-09-06 |
Thermally Stimulated Current of Polypropylene in Equilibrium and Non-equilibrium State |
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| Cao Wanqiang,Wang Yong, Li Jingde.Thermally Stimulated Current of Polypropylene in Equilibrium and Non-equilibrium State[J].Acta Physico-Chimica Sinica,1996,12(12):1090-1093. |
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| Authors: | Cao Wanqiang Wang Yong Li Jingde |
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| Institution: | Department of Physics,Zhongshan University,Guangzhou 510275 |
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| Abstract: | Usually the thermally stimulated, current (TSC) is a result of measurementfor rising temperature at constant rate. To give an explanation of this result, two TSCequations are assumed. If TSC is measured at stepped increasing temperature, there isno need of any equation to use as assumption. The experimental results of two methodsfor polypropylene are compared. It shows that the usual TSC equations are not correctfor TSC measurement; although these equatons are correct in thermal equilibrium stateof crystal, but they can not be used for polymer particularly in non-equilibrium state. |
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| Keywords: | Polypropylene Thermally stimulated current Dielectric spectroscopy |
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