The effects of the use of high molecular weight Polyether polyol on the mechanical properties of PU sealant have been studied in one step synthesis of one component PU elastic sealant.

• 介绍单组份聚氨酯弹性填缝剂的一步法合成中高分子量聚醚多元醇的应用及其对填缝剂性能的影响。