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为了开发新型的环氧增韧剂,合成了一系列环氧基封端的多元醇,对其在环氧树脂体系中的粘接性能进行了研究。试验结果表明,与未改性的环氧树脂体系相比,应用新型增韧剂改性的环氧树脂体系,其剪切强度提高59.8%,剥离强度提高108%。
In order to develop a new epoxy toughening agent, a series of epoxy-terminated polyols were synthesized and their adhesive properties in epoxy resin system were studied. The experimental results show that compared with the unmodified epoxy resin system, the epoxy resin system modified with the new toughening agent increases the shear strength by 59.8% and the peel strength by 108%.