The effects of the molar ratio of NCO/OH groups on the chemical structure and the properties were discussed.The average particle size,the measurement of ratio of absorbing water were measured.

• 研究了NCO/OH摩尔比对水性聚氨酯粒子尺寸、胶膜耐水性、乳液的电解质稳定性、胶膜的机械性能的影响。