CAJ | 학술논문

采用静电纺丝法制备聚氨酯/聚偏氟乙烯（ PU/PVDF ）共混纳米纤维膜，研究PU、PVDF质量分数、溶剂体积配比、溶质质量比对纳米纤维形貌、直径及膜性能的影响，探索共混纤维膜较优制备工艺。结果表明：共混纳米纤维膜较优制备工艺为静电纺丝电压14 kV、接收距离10 cm、纺丝液质量分数12％、溶剂体积配比N，N-二甲基甲酰胺/丙酮为4/6、溶质质量比PU/PVDF为7/3，此条件下可获得具有较优防水透气性能和力学性能的共混膜。
채용정전방사법제비취안지/취편불을희（ PU/PVDF ）공혼납미섬유막，연구PU、PVDF질량분수、용제체적배비、용질질량비대납미섬유형모、직경급막성능적영향，탐색공혼섬유막교우제비공예。결과표명：공혼납미섬유막교우제비공예위정전방사전압14 kV、접수거리10 cm、방사액질량분수12％、용제체적배비N，N-이갑기갑선알/병동위4/6、용질질량비PU/PVDF위7/3，차조건하가획득구유교우방수투기성능화역학성능적공혼막。
PU/PVDF nanofibrous membranes were successfully prepared by electrospinning .The effect of the concentration , the component solvent of DMF/acetone and mass ratio of solute on the morphology , the diameter of the spun fibers and the contact angle of fiber membrane were studied .The PU/PVDF membrane with optimum parameter was explored .The results show that the optimum process for electrospinning PU/PVDF membrane is concentration being 12%, volume ratio of component solvents of DMF/acetone being 4/6 , mass ratio of solute of PU/PVDF being 7/3 when voltage being 14 kV and traveling distance being 10 cm.Under these conditions , PU/PVDF blend membrane with good air permeability, excellent waterproofness and stretchability can be obtained .