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首页> 外文期刊>Journal of Applied Polymer Science >Kinetic Parameters of Thermal Degradation of Polyethylene Glycol-Toughened Novolac-Type Phenolic Resin
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Kinetic Parameters of Thermal Degradation of Polyethylene Glycol-Toughened Novolac-Type Phenolic Resin

机译：聚乙二醇增韧酚醛清漆型酚醛树脂热降解的动力学参数

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摘要

The miscibility and thermal degradation of poly(ethylene glycol) (PEG)-toughened novolac-type phenolic resin were investigated. Differential scanning calorimetry (DSC) results confirmed that the phenolic resin/PEG blend was blended completely. Infrared spectra show that hydrogen bonding existed in the blends. Thermal degradation of PEG blended with novolac-type phenolic resin was studied utilizing a dynamic thermogravimetric technique in a flowing nitrogen atmosphere at several heating rates (i.e., 5, 10, 20, 40 deg C/min). Thermal degradation of phenolic resin/PEG blends takes place in multiple steps. The thermal behavior and the thermal stability affected the thermal degradation, which coincided with the data from the thermal degradation of novolac-type phenolic resin/PEG blends by thermogravimetric analysis (TGA).
机译：研究了聚乙二醇（PEG）增韧酚醛清漆型酚醛树脂的混溶性和热降解性。差示扫描量热法（DSC）结果证实酚醛树脂/ PEG共混物完全共混。红外光谱表明共混物中存在氢键。使用动态热重技术在流动的氮气气氛中以几种加热速率（即5、10、20、40摄氏度/分钟）研究了掺入酚醛清漆型酚醛树脂的PEG的热降解。酚醛树脂/ PEG共混物的热降解过程分多个步骤进行。热行为和热稳定性影响热降解，这与通过热重分析（TGA）从酚醛清漆型酚醛树脂/ PEG共混物的热降解数据相吻合。

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