Using HDI as isocyanate component, aliphatic polyether PU prepolymer was prepared.The drying Conditions of polyether, reaction temperature and time, some preperties of theprepolymer have been studied.

• 以HDI为异氰酸酯组分，制备聚醚型脂肪族聚氨酯预聚体。对聚醚脱水条件，反应温度和时间，以及预聚体的一些性能进行了探索。