Polyether glycol of homony functionality but different molecular weight,TDI and chain extender were used to sythesize polyurethane(PUR) elastomers,and the PUR elastomers were characterized.

• 采用相同官能度、不同分子量的聚醚多元醇和甲苯二异氰酸酯(TDI)及扩链剂反应合成了系列聚氨酯(PUR)弹性体,同时对所合成的PUR弹性体进行了表征。