高固含量水性聚氨酯制备进展

Progress in preparation of high solid content waterborne polyurethane

从原料的选择(聚多元醇、异氰酸酯、亲水性扩链剂),分散工艺(乳化方法)

In recent years,great achievements have been made in increasing the solid content of waterborne polyurethane at home and abroad.This article summarized the methods to increase the solid content,including the selection of raw materials （polyols,isocyanates and hydrophilic chain extension agents）,dispersing process （emulsification method） etc.