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本文采用红外光谱方法对聚芳醚腈砜的结构进行了分析，并与间苯型聚芳醚砜的结构作了对比，利用TGA、DTA等热分析测试，对不同分子量聚芳醚腈砜的热氧稳定性、玻璃化转变温度等热性能进行了研究。
In this paper, the structure of poly (aryl ether nitrile sulfone) has been analyzed by infrared spectroscopy and compared with the structure of poly (arylene ether sulfone), using TGA, DTA and other thermal analysis tests, Thermal oxygen stability, glass transition temperature and other thermal properties were studied.