The results show that the interpenetrating network (IPN) between toughening agents and DAIP resin is formed by controlling curing condition of resin, and therefore the toughness of DAIP resin is increased.

• 结果表明，通过控制树指的固化条件，增韧剂与树脂之间形成了互穿网络（IPN）结构，具有较好的增韧效果。