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首页> 外文期刊>Journal of Applied Polymer Science >Study on phase change characteristics of PEG/PAM coupling blend
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Study on phase change characteristics of PEG/PAM coupling blend

机译：PEG / PAM偶联共混物的相变特性研究

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摘要

A novel solid-solid phase change materials with polyethylene glycol (PEG) worked as phase change substance and polyacrylamide (PAM) as solid skeleton was synthesized by coupling blend. Their phase change behaviors and structure analysis was studied by differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR), they had reversible solid-solid phase change properties. The result indicates that the PEG/PAM PCMs has great transition enthalpy and suitable phase transition temperature in the phase transition process. It can be considered as promising PCMs. Otherwise, their crystallization behavior were analyzed by polarization optical microscopy (POM), the crystalline degrees of these phase change materials were affected due to the intermolecular interaction and chemical bond.
机译：通过偶联共混，合成了以聚乙二醇（PEG）为相变物质，聚丙烯酰胺（PAM）为固体骨架的新型固-固相变材料。通过差示扫描量热法（DSC）和傅里叶变换红外光谱（FTIR）研究了它们的相变行为和结构分析，它们具有可逆的固-固相变特性。结果表明，在相变过程中，PEG / PAM PCM具有很好的相变焓和相变温度。可以认为它是有前途的PCM。否则，通过偏振光学显微镜（POM）分析了它们的结晶行为，这些相变材料的结晶度由于分子间的相互作用和化学键而受到影响。

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