By means of DSC, DMA and density measurement, the effects of diethyleneglycol (DEG) unit on the relaxation processes of the glassy polyethylene tereph-thalate (PET) below the glass transition temperature (T_g) were studied.
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释义
用差热分析、动态力学分析和密度测量等方法,研究了二甘醇(二乙二醇醚,DEG)对聚对苯二甲酸乙二酯(PET)玻璃态松弛的影响。
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