The effect of NCO/OH molar ratio, the fed amount of DMPA, ethylene diamine , n - butanol and storage period on properties of emulsion and film was studied.

• 研究了NCO/OH摩尔比、DMPA引入量、乙二胺用量、封端荆正丁醇用量和存放时间对涂饰剂及膜性能的影响。