Application of non polyurethane,polyester polyurethane,polyether polyurethane and chain extender on the melt spinning of elastic fiber is introduced .

• 介绍了非聚氨酯类、聚酯型聚氨酯类、聚醚型聚氨酯类聚合物及扩链剂在熔纺弹性纤维上的应用。