A process is described for preparing novel polyurethane polymers which have good impact resistance and other desirable physical properties, said process comprising interpolymerizing a mixture of a bicyclic amide acetal, a polyol and a polyisocyanate.
描述了一种制备新型聚
氨酯聚合物的工艺,该聚合物具有良好的抗冲击性和其他理想的物理性能,所述工艺包括将双环酰胺
缩醛、多元醇和多
异氰酸酯的混合物进行互聚。