When a samll amount of polyester-polyether multiblock copolymers was blend with polypropylene from melt,the rheological properties,dyeability and hydroscopic properties of the blend can be improved.

• 聚丙烯和少量聚酯-聚醚多嵌段共聚物共混,可改进聚丙烯的流变性,吸湿性和染色性。