Dimethylolpropionic acid(DMPA) and dimethylolbutyric acid(DMBA) were introduced into polyurethanes(PU) latex as anionic internal emulsifiers and their effects on the properties of anionic polyurethane emulsion(APU) and latex film were invesigated.

• 分别选用二羟甲基丙酸(DMPA)和二羟甲基丁酸(DMBA)作为内乳化剂制备阴离子型聚氨酯乳液,测试研究了两种乳化剂对聚氨酯乳液各种性能的影响。