Epoxy encapsulating materials grafted and modified with polyurethane (PU) was prepared by reaction of -nco-terminated PU prepolymer with epoxy resin (ep).
以异氰酸酯封端的聚氨酯预聚体(PU)与环氧树脂(EP)发生反应，制备了聚氨酯接枝改性环氧灌封材料。
2
Preparation and Properties Study on Encapsulating Materials of Epoxy Resin;