waterborne polyurethanes的用法和样例：
例句
- This paper reviewed the recent methods that improve the water-resistance of waterborne polyurethane.
本文对近年来提高水性聚氨酯耐水性的方法进行了综述。 - By intercalating chain-extender, the self-emulsifying anionic waterborne polyurethane emulsions which have the block structure have been prepared.
通过自乳化聚合引入低分子扩链剂制得具有嵌段结构的阴离子型水性聚氨酯乳液。
