This paper summariges the progress of the researches on the modified Bismaleimide Resin(BMI),and presents more in detail the method of modification and the mechanism of toughness modification.

• 综述了国内外双马来酰亚胺改性树脂的生产、性能以及改性方法；详细介绍BMI改性研究的情况和各种增韧改性方法的增韧机理。