Solvent-based and waterborne blocked isocyanate curing agents are p repared by blocked reaction of prepolymers, which is resulted from TDI and TMP, with MEKO or alcohols-ethers mixtures.

• 以甲苯二异氰酸酯、三羟甲基丙烷为原料合成预聚物,分别与甲乙酮肟和多种醇醚类混合物进行封端反应,合成溶剂性和水性封闭异氰酸酯固化剂。