The emulsion characteristics and properties of PU films were studied by means of rotational viscosimeter, Autosizer, tensile testere and atomic force microscope (AFM).

• 通过粘度测定、粒度分析、力学性能和耐水性能测试、原子力显微镜（AFM）分析，研究了软段类型、软段分子量对乳液及其胶膜性能的影响。