A Study on the Properties and Structure of polyether-Sulfone-Modified Epoxy Adhesives

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Abstract
Properties and morphology of PES-modified epoxy adhesives were studied in this paper. These systems have excellent mechanical properties and can be used as heat-resistant adhesives. SEM and EDX observations showed that the system has a two-phase structure. At lower PES content, there is a PES dispersed phase and a epoxy continuous phase. At higher PES content, there are two continuous phases. From these results, the relationship between structure and properties of this system were discussed.