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In this paper,a imidazole-salt was synthsised and was used with a polyphenol compound to modify the dicyandiamide curing epoxy resin system. 本文针对双氰胺固化环氧树脂时的固化温度高，固化产物耐湿热性差的缺点，利用自行合成的咪唑盐和多羟基酚类化合物，对双氰胺固化体系进行了改进。