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Stretching of the steady jet in electrospinning: theoretical analysis and experimental verification

机译：静电纺丝中稳定射流的拉伸：理论分析和实验验证

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With the rapid development of electrospinning, how to control the spinning drawing process is becoming increasingly important. It is significant to establish a complete formula for the fiber drafting process. This paper presents a complete theoretical equation ... between radius r of the jet and the axial distance z in the steady stage in electrospinning. Polyvinyl alcohol (PVA) aqueous solution with different PVA concentrations and with various LiCl contents was used to validate the theoretical predicted equation. The relationship between radius r of the jet and the axial distance z in steady stage was in the form r ~ z^sup -0.5^. Moreover, two important equations r ~ k^sup -0.11^ (the relationship between conductivity and jet radius) and η ~ C^sup 3.79053^ (the relationship between the solution viscosity and concentration) were obtained during the experiments. The results agreed well with our predicted equation.
机译：随着静电纺丝的飞速发展，如何控制纺丝拉伸过程变得越来越重要。建立纤维牵伸过程的完整公式非常重要。本文提出了一个完整的理论方程式...在静电纺丝的稳态阶段，射流的半径r与轴向距离z之间。使用不同PVA浓度和不同LiCl含量的聚乙烯醇（PVA）水溶液来验证理论预测方程。射流半径r与稳态阶段的轴向距离z之间的关系为r〜z ^ sup -0.5 ^。此外，在实验过程中获得了两个重要的方程r〜k ^ sup -0.11 ^（电导率与射流半径之间的关系）和η〜C ^ sup 3.79053 ^（溶液粘度与浓度之间的关系）。结果与我们的预测方程式非常吻合。

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