The addition reaction with alkaline catalyst was used for the preparation of urea-formaldehyde prepolymer of rose perfume microcapsule.

• 以脲醛树脂为囊壁的玫瑰香精微胶囊,其囊壁原料脲-甲醛预聚体的制备,采用了碱催化下的加成反应工艺。