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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. 本文針對雙氰胺固化環氧樹脂時的固化溫度高，固化産物耐溼熱性差的缺點，利用自行郃成的咪唑鹽和多羥基酚類化郃物，對雙氰胺固化躰系進行了改進。