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中文摘要：
采用流变学方法研究了具有高PEO质量分数（80%）的两亲性三嵌段共聚物Pluronic F68（PEO80-PPO30-PEO80）和F108（PEO133-PPO50-PEO133）的水溶液在升温过程中的溶胶-凝胶转变过程,发现对于特定浓度的嵌段共聚物水溶液,在溶胶-凝胶转变过程中会出现一个＂软凝胶＂区域,通过对F68进行区域的频率扫描实验,推测了相应的内部结构.
英文摘要：
Using the rheology method,the sol-gel transitions of amphiphilic triblock copolymers Pluronic F68（PEO80-PPO30-PEO80） and F108（PEO133-PPO50-PEO133） were studied with increasing the temperature.The ＂soft gel＂ regions were found during the sol-gel transition process for the aqueous solutions with some concentrations.It is inferred that the structure of the ＂soft gel＂ region by the frequency scanning experiment for F68 aqueous solution.
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