Conclusions
The kinetics of washout of low-molecular-weight fractions from polycaproamide textile yarns during water-stabilization treatments has been studied. It has been found that the supermolecular structure of the yarns is considerably changed thereupon; the degree of crystallinity is increased, the size of the amorphous regions is reduced, the yarn porosity is increased, thereby increasing the rate of dye sorption, the yarn stress is reduced, and its shrinkage is lowered.
The increase in yarn porosity as a result of water-extraction and stabilization treatment ensures raising their sorptive power with respect to dyes and various low-molecular-weight modifiers.
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Additional information
Translated from Khimicheskie Volokna, No. 4, pp. 42–44, July–August, 1984.
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Aripov, I.A., Geller, B.É. & Dzhumabaeva, M.R. Change in properties of polycaproamide textile yarns on water-stabilization treatment. Fibre Chem 16, 271–274 (1985). https://doi.org/10.1007/BF00574546
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DOI: https://doi.org/10.1007/BF00574546