氟聚物的玻璃化温度与DMA测量频率关系的研究
Huozhayao Xuebao/Chinese Journal of Explosives and Propellants(2001)
Abstract
采用动态力学分析(Dynamic mechanical analysis, DMA)方法,研究了F2314、F2311、F2603、F2463等四种氟聚物的动态力学的频率与玻璃化温度关系。并用最小二乘法对相关频率与玻璃化温度进行线性回归,得到了这四种氟聚物的动态力学活化能数据。这些活化能在一定程度上反映了氟聚物链段构象运动的受阻性。
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Key words
Activation energy,Dynamic mechanical analysis (DMA),Fluoropolymer
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