Using melt spinning technology, polyurethane/polyvinylidene fluoride (PU/PVDF) blend was spun into hollow fiber membranes with interfacial micro-voids.The miscibility of PU and PVDF was analyzed.

• 摘要以聚氨酯(Pu)与聚偏氟乙烯(PVDF)共混，经熔体纺丝及后拉伸得到具有聚合物界面微孔的中空纤维膜。