Physical and mechanical properties of the PU dispersions have been compared in this paper.The results show the advantages by using DMBA versus DMPA in the parperation of anionic PU dispersion.

• 在此基础上，比较了DMBA和DMPA体系聚氨酯乳液的物理性能及胶膜的机械性能等，结果显示DMBA有其显著的特点。