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首页> 外文期刊>Journal of Applied Polymer Science >Rapid polymer fiber airbrushing: Impact of a device design on the fiber fabrication and matrix quality
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Rapid polymer fiber airbrushing: Impact of a device design on the fiber fabrication and matrix quality

机译：快速聚合物纤维喷枪：设备设计对纤维制造和基体质量的影响

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Polymer fiber matrixes can be used in a variety of applications, including electronics, tissue engineering, or coatings. Polymer airbrushing (air-blast spinning) has the potential to overcome some of the limitations of electrospinning and has the advantage of depositing nanofibers directly on various materials. The airbrushing technique has yet to be better evaluated and optimized to achieve a higher fiber reproducibility and bulk material quality. In this study, a gravity-fed brush (commercial airbrush) and syringe-pump-operated brush [custom-built airbrush (CBA)] were compared to determine the effect of the coaxial brush design on the efficacy of fiber fabrication. At comparable fiber deposition rates, gas pressures, and polymer concentrations, the CBA produced smaller and more uniform fibers with a lower average size of polymer beads. The obtained data suggest that capillary pinching was the dominant mechanism responsible for fiber formation when we used the CBA. The estimated pinching energy was lower for the CBA at the compared polymer concentrations and at a high gas pressure. (C) 2015 Wiley Periodicals, Inc.
机译：聚合物纤维基质可用于多种应用，包括电子，组织工程或涂料。聚合物喷枪（鼓风纺丝）有可能克服电纺的某些局限性，并具有将纳米纤维直接沉积在各种材料上的优势。喷枪技术尚未得到更好的评估和优化，以实现更高的纤维重现性和块状材料质量。在这项研究中，比较了重力式刷子（商业喷枪）和注射器泵操作式刷子（定制喷枪（CBA）），以确定同轴刷子设计对纤维制造功效的影响。在可比的纤维沉积速率，气体压力和聚合物浓度下，CBA可以生产出更小，更均匀的纤维，而聚合物珠的平均尺寸更低。获得的数据表明，当我们使用CBA时，毛细管收缩是造成纤维形成的主要机制。在比较的聚合物浓度和高气压下，CBA的估计收缩能较低。 （C）2015年Wiley Periodicals，Inc.

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