电场对双喷头喷气静电纺纳米纤维成形的影响

材料导报, 2013, 27(14): 86-89.

电场对双喷头喷气静电纺纳米纤维成形的影响

蒲丛丛 ^1, , 何建新 ^2, , 崔世忠 ^3, , 高卫东 ^4,

1.江南大学纺织服装学院,无锡214122

2.中原工学院纺织学院,郑州450007

3.江南大学纺织服装学院,无锡214122;中原工学院纺织学院,郑州450007

4.江南大学纺织服装学院,无锡214122

基金项目: 国家自然科学基金-青年科学基金(51203196) 国家自然基金委员会-河南省人民政府人才培养联合基金(U1204510)

关键词：双喷头 , 喷气静电纺 , 喷头间距 , 电场 , 产量

Effects of Electric Field on the Formation of Nanofibers with a Double-nozzle Air-jet Electrospinning Setup

PU Congcong ^1, , HE Jianxin ^2, , CUI Shizhong ^3, , GAO Weidong ^4,

1.江南大学纺织服装学院,无锡214122

2.中原工学院纺织学院,郑州450007

3.江南大学纺织服装学院,无锡214122;中原工学院纺织学院,郑州450007

4.江南大学纺织服装学院,无锡214122

Keywords： double-nozzle , air-jet electrospinning , nozzles spacing , electric field , throughput

基于一种规模化制备纳米纤维的单喷头喷气静电纺丝单元,设计了一种双喷头静电纺丝装置.研究了4种不同喷头间距时的电场分布,纳米纤维毡的产量和面积,以及纳米纤维的微观形貌.研究发现,纳米纤维平均直径为447.62 nm,纤维的平均不匀度为19.25％.当喷头间距为2 cm和4 cm时,可以得到连续并且厚度均匀的纳米纤维毡.当喷头间距超过5.5cm时,单个喷头得到的纳米纤维毡开始分离.随着喷头间距的增加,纳米纤维毡的产量和面积增加,纳米纤维的平均直径从515.97nm下降到439.27nm,纤维的平均不匀度从21.15％下降到16.85％.

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