The effect of the polyester polyol structures,different diisocynatates and different extenders on solvent resistance of polyurethane elastomers were investigated.

• 考察了聚酯多元醇结构、多异氰酸酯种类、扩链剂种类及合成工艺对聚氨酯弹性体机械性能和耐溶剂性能的影响。