Methods for the modification of isocyanates include process of urethane,dimerization,trimerization,biuret,carbodiimide,and blocking reaction,etc.

• 异氰酸酯的改性方法包括氨酯改性、二聚改性、三聚改性、缩二脲改性、碳化二亚胺改性和封闭改性等。