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Fabrication and Basic Properties of Elastomeric Staple Fiber Based on Poly(Butylene Terephthalate)-Block-(Tetramethylene Oxide) by Melt Spinning

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Fibre Chemistry Aims and scope

Melt spinning of special chips of poly(butylene terephthalate)-block-(tetramethylene oxide) was studied. The obtained fiber possesses rubber-like elasticity at room temperature. The basic properties of this elastomer fiber are fineness 1.7 dtex, tensile strength 3.35 cN/dtex, breaking extension 68%, and elastic recovery >95% at 15% elongation. A new type of elastomer staple fiber of this block-copolymer is successfully fabricated by a traditional production line for melt spinning.

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We wish to express our deep gratitude to Prof. Shuangcheng Liu of Sichuan University for his assistance with the translation of this manuscript into Russian. This work was supported partly by Higher Education and TVET program of Ethiopia of German Development Bank with KfW project 51235.

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Authors and Affiliations

  1. Research and Development Center of Fiber Materials, Chengdu Textile College, Chengdu, 611731, Sichuan, China

    Muluneh Bekele Haile, Xiaodong Liu, Ruixia Li & Dacheng Wu

  2. Ethiopian Institute of Textile and Fashion Technology, Bahirdar University, Bahir Dar, Ethiopia

    Muluneh Bekele Haile

  3. Textile Research Institute, Sichuan University, Chengdu, 610065, Sichuan, China

    Ruixia Li, Shiwen Yang, Zongliang Du & Dacheng Wu

Authors
  1. Muluneh Bekele Haile
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  2. Xiaodong Liu
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  3. Ruixia Li
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  4. Shiwen Yang
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  5. Zongliang Du
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  6. Dacheng Wu
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Corresponding author

Correspondence to Dacheng Wu.

Additional information

Translated from Khimicheskie Volokna, No. 6, pp. 19-23, November—December, 2020.

Appendix 1

Appendix 1

figure a

[Diagram], where the ratio of x (number of hard polyester segments in the copolymer chain) to y (number of soft polyether segments) determines the softness and elasticity of the obtained block-copoly(ester-ether). However, the ratio of hard to soft segments in Hytrel™ 4GT/PTMEG copolymers is calculated from the content of hard segments in the range from 33 to 86 mass% [8].

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Haile, M.B., Liu, X., Li, R. et al. Fabrication and Basic Properties of Elastomeric Staple Fiber Based on Poly(Butylene Terephthalate)-Block-(Tetramethylene Oxide) by Melt Spinning. Fibre Chem 52, 400–404 (2021). https://doi.org/10.1007/s10692-021-10220-2

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  • DOI: https://doi.org/10.1007/s10692-021-10220-2

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