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Fabrication of Silk Nanofibres with Needle and Roller Electrospinning Methods

机译:针和辊静电纺丝法制备丝纳米纤维

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In this study, silk nanofibres were prepared by electrospinning from silk fibroin in a mixture of formic acid and calcium chloride. A needle and a rotating cylinder were used as fibre generators in the spinning process. The influences of the spinning electrode and spinning parameters (silk concentration and applied voltage) on the spinning process, morphology of the obtained fibres, and the production rate of the spinning process were examined. The concentration of the spinning solution influenced the diameter of the silk electrospun fibres, with an increase in the concentration increasing the diameters of the fibres in both spinning systems. The diameters of the electrospun fibres produced by roller electrospinning were greater than those produced by needle electrospinning. Moreover, increasing the concentration of the silk solution and the applied voltage in the spinning process improved the production rate in roller electrospinning but had less influence on the production rate in needle electrospinning.
机译:在这项研究中,通过将丝素蛋白在甲酸和氯化钙的混合物中进行静电纺丝,制备了丝纳米纤维。在纺纱过程中,将针和旋转圆柱体用作纤维发生器。考察了纺丝电极和纺丝参数(丝浓度和施加电压)对纺丝工艺,所得纤维形态和纺丝工艺生产率的影响。纺丝溶液的浓度影响丝电纺纤维的直径,浓度的增加会增加两种纺丝系统中纤维的直径。通过辊静电纺丝生产的电纺纤维的直径大于通过针静电纺丝生产的电纺纤维的直径。此外,在纺丝过程中增加丝溶液的浓度和施加的电压提高了辊静电纺丝的生产率,但是对针静电纺丝的生产率的影响较小。

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