In comparison with unmodified epoxy resin, the impart strength of modified epoxy resin by FH type polyether polyols has increased by 124%, the fracture toughness ratio by 89%, and the fracture energy ratio by 260%.

• 与未改性的环氧树脂相比，用FH聚醚多元醇改性环氧树脂的冲击强度增加124%25，断裂韧性比增加89%25，断裂能比增加260%25。