One-step electro-spinning/netting technique for controllably preparing polyurethane nano-fiber/net.
One-step electro-spinning/netting technique for controllably preparing polyurethane nano-fiber/net.
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DOI：
10.1002/marc.201100343
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发表时间：
2011-11
影响因子：
4.6
通讯作者：
Juanping Hu;Xianfeng Wang;B. Ding;Jinyou Lin;Jianyong Yu;Gang Sun
中科院分区：
文献类型：
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作者：
Juanping Hu;Xianfeng Wang;B. Ding;Jinyou Lin;Jianyong Yu;Gang Sun
静电纺丝/成网（Electro-spinning/netting，ESN）作为一种新型的纳米纤维/网（Nano-fiber/net，NFN）膜制备技术，由于其一步法制备多功能NFN膜的优点，引起了人们的广泛关注。在这里，聚氨酯（PU）NFN膜的可控制造具有吸引力的结构，由共同的静电纺丝纳米纤维和二维（2D）肥皂泡状结构的纳米网络通过ESN过程的报告。独特的纳米级NFN结构可以通过调节溶液性质和几个ESN工艺参数进行精细控制。包含具有纳米直径（5-40 nm）的互连纳米线的通用PU纳米网意味着NFN结构化膜具有若干优异的特性，例如极大的比表面积、高孔隙率和大堆叠密度，这将特别适用于超滤、特殊防护服、超灵敏传感器、催化剂载体等应用。
Electro-spinning/netting (ESN) as a cutting-edge technique evokes much interest because of its ability in the one-step preparation of versatile nano-fiber/net (NFN) membranes. Here, a controllable fabrication of polyurethane (PU) NFN membranes with attractive structures, consisting of common electrospun nanofibers and two-dimensional (2D) soap bubble-like structured nano-nets via an ESN process is reported. The unique nanoscaled NFN architecture can be finely controlled by regulating the solution properties and several ESN process parameters. The versatile PU nano-nets comprising interlinked nanowires with ultrathin diameters (5-40 nm) mean that the NFN structured membranes possess several excellent characteristics, such as an extremely large specific surface area, high porosity and large stacking density, which would be particularly useful for applications in ultrafiltration, special protective clothing, ultrasensitive sensors, catalyst support and so on.