Abstract
It was found that layer-by-layer rupture of liquid jets takes place when the fibre takeup speed is increased in conditions of deformation resonance, causing their thickness to decrease below the values assigned by the condition of continuity of flow. Layer-by-layer rupture of the jet is caused by the almost parabolic velocity profile which arises during flow of the spinning solution in the spinneret opening channel. Adjustment of the velocity profile by increasing the air gap is accompanied by a decrease in the difference between the rates of rupture of the outer and inner layers of the liquid.
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References
A. T. Serkov and Yu. V. Afanas'eva,Khim. Volokna, No. 3, 19–22 (1999).
V. N. Kiya-Oglu,Development of Technology for Fabrication of High-Strength Fibres from Liquid-Crystalline Sulfuric Acid Solutions of Aromatic Polyamides, Doctoral Dissertation, All-Russian Scientific-Research Institute of Polymer Fibres, Mytishchi (1997).
Additional information
All-Russian Scientific-Research Institute of Polymer Fibres, Mytishchi. Translated fromKhimicheskie Volokna, No. 6, pp. 19–21, November–December, 1999.
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Serkov, A.T., Radishevskii, M.B. & Afanas'eva, Y.V. Layer-by-layer rupture of the jet in spinning chemical fibres in the deformation resonance mode. Fibre Chem 31, 433–436 (1999). https://doi.org/10.1007/BF02358254
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DOI: https://doi.org/10.1007/BF02358254