A series of polyurethane(urea)s based on hydroxyl terminated polybutadiene (HTPB),diisocyanate (TDI or IPDI) and curing agents (MOCA or polyol)were synthesized by a two step polycondensation.

• 以端羟基聚丁二烯(HTPB)、二异氰酸酯(TDI或IPDI)为原料制备预聚体,利用多元胺或多元醇作固化剂,制成聚氨酯及聚氨酯脲弹性体。