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Correlation between precision of spinneret hole machining and the uniformity of polyacrylonitrile filaments

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Fibre Chemistry Aims and scope

We present comparative results of tests on commercial and experimental platinum/palladium spinnerets in forming polyacrylonitrile filament yarn of 50 tex. The experimental spinnerets were made with holes of high precision diameter (0.08 ± 0.001 mm). The spinnerets were characterized by their integrated throughput (the flow-through time for distilled water) while the filament yarns were characterized by their linear density. We demonstrate a correlation between the filament linear density and the flow-through time. In this case, the criteria for uniformity of the filament with respect to linear density (variance, range, mean-square deviation, coefficient of variation) are statistically significantly smaller for the experimental spinnerets than for the commercial spinnerets.

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Authors and Affiliations

  1. Scientific Research Institute of Synthetic Fibers, Tver, Russia

    V. Z. Volkov, A. P. Neverov & Yu. V. Valetkin

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  1. V. Z. Volkov
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  2. A. P. Neverov
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  3. Yu. V. Valetkin
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Translated from Khimicheskie Volokna, Vol. 43, No. 1, pp. 21-25, January-February, 2011.

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Volkov, V.Z., Neverov, A.P. & Valetkin, Y.V. Correlation between precision of spinneret hole machining and the uniformity of polyacrylonitrile filaments. Fibre Chem 43, 22–26 (2011). https://doi.org/10.1007/s10692-011-9303-6

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  • DOI: https://doi.org/10.1007/s10692-011-9303-6

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