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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Studies on the miscibility of poly(2-hydroxyethyl methacrylate) and poly(ethylene oxide) blends
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Studies on the miscibility of poly(2-hydroxyethyl methacrylate) and poly(ethylene oxide) blends

机译:聚(甲基丙烯酸2-羟乙酯)与聚(环氧乙烷)混合物的混溶性研究

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摘要

Miscibility characteristics of poly[2-hydroxyethylmethacrylate] (PHEMA) and poly[ethylene oxide] (PEO) have been investigated by solution viscometry, ultrasonic and differential scanning calorimetric (DSC) methods. The interaction parameters were obtained using the viscosity data. Ultrasonic velocity and adiabatic compressibility vs. blend composition have been plotted and are found to be linear. A single glass transition temperature was observed by differential scanning calorimetry. Variation of glass transition temperature (T-g) with composition follows Garden-Taylor equation. T-g values have also been calculated from the Fox equation. The results obtained reveal that PHEMA forms a miscible blend with PEO in the entire composition range.
机译:通过溶液粘度法,超声波和差示扫描量热法(DSC)研究了聚[甲基丙烯酸2-羟乙酯](PHEMA)和聚[环氧乙烷](PEO)的混溶特性。使用粘度数据获得相互作用参数。绘制了超声波速度和绝热压缩率与共混物的关系曲线,发现它们是线性的。通过差示扫描量热法观察到单一的玻璃化转变温度。玻璃化转变温度(T-g)随组成的变化遵循Garden-Taylor方程。 T-g值也已从Fox方程计算得出。获得的结果表明,PHEMA在整个组成范围内与PEO形成可混溶的混合物。

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