The microstructure and thermo-mechanical properties of epoxy resin toughened by polyether sulfong (PES) were studied and the toughening mechanism of PES in epoxy resin was discussed.

• 本文研究了聚醚砜（PES）增韧环氧树脂的微观结构和热-力学性能，分析了PES在环氧树脂基体中的增韧机理。