It was found that different n(-NCO)/n(-OH) ratios and different diisocyanate structures have a great effect on the melt index, the microphase morphology structure and physical property of TPUE.

• 结果表明，n(-NCO)/n(-OH)和异氰酸酯结构对热塑性聚氨酯弹性体的熔融指数、微相形态结构和物理机械性能有较大的影响。