Recently, the production and chemistry of waterborne PU have been studied successfully in overseas, and the waterborne PU coatings with good properties have been obtained from aliphatic diisocyanate.

• 国内我们主要以芳香族的异氰酸酯(如甲苯二异氰酸酯)为原料,相关理论和生产均处在起步阶段。