CAJ | 학술논문

通过静电纺丝技术制备PVDF/PVDF-HFP复合纳米纤维膜，然后对其进行热压处理，采用FE-SEM对其形貌进行表征，并对其力学性能和防水透湿性能进行评价。结果表明：PVDF和PVDF-HFP溶液的最佳纺丝质量分数分别为9%和12%；热压处理后PVDF/PVDF-HFP复合纳米纤维膜具有优异的防水透湿性能，当复合纳米纤维膜中PVDF与PVDF-HFP的质量比为2∶1时，其耐静水压达到7220 mmH2O，透湿量达到7300 g/（m2·24 h）。
통과정전방사기술제비PVDF/PVDF-HFP복합납미섬유막，연후대기진행열압처리，채용FE-SEM대기형모진행표정，병대기역학성능화방수투습성능진행평개。결과표명：PVDF화PVDF-HFP용액적최가방사질량분수분별위9%화12%；열압처리후PVDF/PVDF-HFP복합납미섬유막구유우이적방수투습성능，당복합납미섬유막중PVDF여PVDF-HFP적질량비위2∶1시，기내정수압체도7220 mmH2O，투습량체도7300 g/（m2·24 h）。
Poly(vinylidene fluoride)/Poly(vinylidene fluoride-co-hexafluoropropylene) composite nanofiber membrane was prepared by electrospinning, followed by thermal calendaring process. The morphology of the membrane was characterized by FE-SEM, and the mechanical property and waterproof-breathable property were evaluated. The results indicate that the best solution concentration of PVDF and PVDF-HFP are 9% and 12% respectively. PVDF/PVDF-HFP composite nanofiber membrane possesses excellent waterproof-breathable property after thermal calendaring. When the mass ratio of PVDF and PVDF-HFP is 2∶1 in the composite nanofiber membrane, the hydrohead of membrane achieves to 7 220 mmH2O and water vapor transmission rate amounts to 7 600 g/(cm2· 24 h).