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首页> 外文期刊>The Journal of the Textile Institute >Oriented electrospun nanofibers on stand-alone multi-segmented cylindrical collectors
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Oriented electrospun nanofibers on stand-alone multi-segmented cylindrical collectors

机译：独立多分段圆柱收集器上取向电纺纳米纤维

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摘要

Single-segment collectors, commonly used in electrospinning, distribute nanofibers randomly over their entire length. To improve the orientation of resultant nanofibers, a multi-segmented collector has been developed having alternate conducting and nonconducting segments. The alignment principle is based upon the attraction of nanofibers towards conductive segments, while the nonconductive segments, having least attraction for nanofibers, do not pull the fibers toward themselves. This causes the nanofibers to stretch over the nonconductive segments, thanks to attractive forces from the adjacent conductive segments. The best orientation was obtained on the cylindrical collector with 12.5 mm nonconductive segment length, 20 mm conductive segment length and 11% polymer concentration. Different polymeric materials can be electrospun on these types of multi-segmented collectors with high fiber orientation for various applications.
机译：单段收集器，常用于静电纺丝，随机分布在整个长度上。 为了提高所得纳米纤维的取向，已经开发了多分段收集器，其具有交替导电和非导电段。 对准原理基于纳米纤维朝向导电区段的吸引力，而具有至少用于纳米纤维的吸引力的非导电段不会向本身拉动纤维。 由于来自相邻导电段的吸引力，这使得纳米纤维在非导电区段上伸展。 在圆柱收集器上获得最佳取向，具有12.5mm非导电区段长度，20mm导电段长度和11％的聚合物浓度。 可以在这些类型的多分段收集器上进行不同的聚合物材料，用于各种应用的高纤维取向。

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