It showed that the content of DMPA and the ratio of NCO/OH and the weight ratio of the second prepolymer(core) to first prepolymer (shell) influenced the stability and the mechanical properties of APU.

• 结果发现DMPA含量、NCO/OH比值、Core/Shell质 量比值均影响水性聚氨酯乳液的稳定性和其涂膜的力学性能等。