By selecting or synthesising polyether polyol, and changing rigid foam formulations, the application of benzoic acid anhydride polyester polyols in polyurethane rigid foam is introduced in this paper.

• 通过选择或合成聚醚多元醇，调整聚氨酯泡沫配方，介绍了苯酐聚酯多元醇在聚氨酯硬泡中的应用。