Abstract
The velocity gradient changes as a function of the conditions of spinning PETP, and the value can increase from several tens to hundreds of units in the order LSS (low-speed spinning)—MSS (medium-speed spinning)—HSS (high-speed spinning). A combined increase in the longitudinal velocity gradient, orientation, and relaxation time is observed with an increase in the speed of spinning PETP. It was shown that crosslinking of PETP is determined by the character of the strain in the longitudinal velocity gradient field. The features and common points of spinning of PETP monofilament and complex fibre and their cross-linking in a longitudinal velocity gradient field were determined.
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References
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Additional information
All-Russian Scientific-Research Institute of Synthetic Fibres, Tver'. Translated from Khimicheskie Volokna, No. 5. pp. 30–33, September–October, 1996.
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Geller, V.É. Effect of the conditions of spinning of polyester fibres on the longitudinal velocity gradient. Fibre Chem 28, 321–325 (1996). https://doi.org/10.1007/BF01057698
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DOI: https://doi.org/10.1007/BF01057698