Innovation of Critical Bubble Electrospinning and Its Mechanism

Abstract

Along with the advent of an ever-increasing demand for the nano-industrialization, nanofibers become a unique class with many fascinating properties due to their nanoscale diameters and high surface area to volume ratio [...]

Progress in the preparation of polymer-based MXene-enhanced electromagnetic shielding composites by electrospinning

“…性 能 的 聚 合 物基 MXene 增强 复 合材料 。这种 复合材料具 有丰富 的多 孔结构、质量 轻 、 超 薄 、柔 性 好 、成 本低和 易 于加工 等优点 ，并且 能够在恶劣 环境中 达到 长期屏 蔽电 磁 波 的 效 果 [37] [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] Table 1 The polymer shielding material was compared with the metal shielding material [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] 1、静电纺丝技术 [43] 、 生产 具 有三 维拓 扑 结构 纳 米纤 维 的设 备 [44] 、 离 心 静 电 纺 丝 设 备 [45] 、 多 喷针 纳 米 纺 丝 机 [46] 、无 针 "纳米 蜘 蛛 "纺丝 设 备 [47] 和气 泡 式 静 电 纺 丝 设 备 [48] [49] Figure 1 Main equipment and spinning process of electrospinning [49] 1.1 静 电 纺 丝的 原 理 在 强 静 电 场中，聚 合物溶 液 的行为会 发生变 化。当没 有电场作用 时，溶液 主要 受 重 力 和 表 面 张 力的影 响 ，使得 毛 细管末 端的液滴保 持球形 [50] [62] 。 另 外 ， 调整 溶 剂成分 或添 加剂 的比 例也是 一种有效 的手段来 调节表面 张力 [63] [58] PVDF 12 wt%、DMF/acetone 14 kv、0.8 ml/h、16 cm 25 ℃、 45 % [61] PVA 10 wt%、DIW 20 kv、0.5 ml/h、10 cm 25 ℃、 45 %…”

Multifunctional electrospun PP/PVDF‐HFP/MIL‐53(Fe) composite nanofiber membrane for air filtration and dye degradation

“…The bubble electrospinning method mimics spider spinning through the action of electrostatic and air flow to prepare nanofibers and can improve the performance of the prepared nanofiber. 18,19 Therefore, the preparation and application of nanofiber air filter materials are widely studied.…”

“…Nanofiber materials can be prepared by various methods, such as solution electrospinning, 13,14 melt electrospinning, 15 bubble electrospinning, 16,17 and so forth. The bubble electrospinning method mimics spider spinning through the action of electrostatic and air flow to prepare nanofibers and can improve the performance of the prepared nanofiber 18,19 . Therefore, the preparation and application of nanofiber air filter materials are widely studied.…”

Biodegradable engineered fiber scaffolds fabricated by electrospinning for periodontal tissue regeneration

“…Biodegradable natural and/or synthetic polymers jet with electrical field is used for electrospinning, and ultrafine fibers deposit on the collector with high surface area to volume ratio and interconnected pores. Apart from traditional electrospinning, modified coaxial electrospinning, novel bubble electrospinning, 6 emulsion electrospinning 7 and sequential electrospinning 8,9 also aroused attentions recently.…”