Storage-stable, liquid carbodiimide-modified MDI are prepared in the presence of catalyst and terminated by means of different deactivatore such as CP and acid chloride in industry.

• 针对目前工业生产的碳化二亚胺改性高效液化MDI所使用的催化剂和各失活剂的作用机理进行了研究,并对失活剂的稳定性能进行了对比。