A series of high hardness polyurethane elastomers based on polyoxypropylene polyol, diol chain-extender and polyisocyanate were prepared by one-step process.

• 采用聚氧化丙烯多元醇、二醇扩链剂和多异氰酸酯为原料,用一步法工艺制得一系列高硬度聚氨酯弹性体。