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通过三维静电纺丝制备的可控三维聚苯乙烯微纳结构。

Controlled three-dimensional polystyrene micro- and nano-structures fabricated by three-dimensional electrospinning.

作者信息

Vong M, Speirs E, Klomkliang C, Akinwumi I, Nuansing W, Radacsi N

机构信息

The School of Engineering, Institute for Materials and Processes, The University of Edinburgh Robert Stevenson Road Edinburgh EH9 3FB UK

School of Physics, Institute of Science, Suranaree University of Technology Nakhon Ratchasima 30000 Thailand.

出版信息

RSC Adv. 2018 Apr 24;8(28):15501-15512. doi: 10.1039/c7ra13278f. eCollection 2018 Apr 23.

DOI:10.1039/c7ra13278f
PMID:35539475
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9080079/
Abstract

The combination of electrospinning with extrusion based 3D printing technology opens new pathways for micro- and nanofabrication, which can be applied in a wide range of applications. This simple and inexpensive method has been proven to fabricate 3D fibrous polystyrene structures with controlled morphology and micro- to nano-scale fibers diameter. The controllable movement of the nozzle allows precise positioning of the deposition area of the fibers during electrospinning. A programmed circular nozzle pattern results in the formation of controllable 3D polystyrene designed shapes with fiber diameters down to 550 nm. The assembly of the fibrous structures starts instantaneously, and a 4 cm tall and 6 cm wide sample can be produced within a 10 minutes electrospinning process. The product exhibits high stability at ambient conditions. The shape, size, and thickness of fibrous polystyrene structures can be easily controlled by tuning the process parameters. It is assumed that the build-up of 3D fibrous polystyrene structures strongly depends on charge induction and polarization of the electrospun fibers.

摘要

静电纺丝与基于挤出的3D打印技术相结合为微纳制造开辟了新途径,可应用于广泛的领域。这种简单且经济的方法已被证明能够制造出具有可控形态和微米至纳米级纤维直径的3D纤维状聚苯乙烯结构。喷嘴的可控移动使得在静电纺丝过程中能够精确地定位纤维的沉积区域。编程的圆形喷嘴图案会形成可控的3D聚苯乙烯设计形状,纤维直径可达550纳米。纤维结构的组装瞬间开始,在10分钟的静电纺丝过程中可以生产出一个高4厘米、宽6厘米的样品。该产品在环境条件下具有很高的稳定性。通过调整工艺参数,可以轻松控制纤维状聚苯乙烯结构的形状、尺寸和厚度。据推测,3D纤维状聚苯乙烯结构的形成很大程度上取决于静电纺丝纤维的电荷感应和极化。

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