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Circular Melt-Spun Textile Fibers from Polyethylene-like Long-Chain Polyesters

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2024

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European Union (EU): 832480

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ACS Applied Polymer Materials. ACS Publications. 2024, 6(15), S. 9219-9225. eISSN 2637-6105. Verfügbar unter: doi: 10.1021/acsapm.4c01570

Zusammenfassung

As textiles contribute considerably to overall anthropogenic pollution and resource consumption, increasing their circularity is essential. We report the melt-spinning of long-chain polyesters, materials recently shown to be fully chemically recyclable under mild conditions, as well as biodegradable. High-quality uniform fibers are enabled by the polymers’ favorable combination of thermal stability, crystallization ability, melt strength, and homogeneity. The polyethylene-like crystalline structure endows these fibers with mechanical strength, which is further enhanced by its orientation upon drawing (tensile strength of up to 270 MPa). In vitro depolymerization by high concentrations of Humicola insolens cutinase underlines the accessibility of the fibers for enzymatic degradation, which can proceed from the surface and through the entire fiber within days, depending on the choice of the fiber material. Fibers and knitted fabrics withstand stress, as encountered in machine washing.

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ISO 690WURST, Katrin, Melissa BIRKLE, Katharina SCHERER, Stefan MECKING, 2024. Circular Melt-Spun Textile Fibers from Polyethylene-like Long-Chain Polyesters. In: ACS Applied Polymer Materials. ACS Publications. 2024, 6(15), S. 9219-9225. eISSN 2637-6105. Verfügbar unter: doi: 10.1021/acsapm.4c01570
BibTex
@article{Wurst2024-08-09Circu-70668,
  year={2024},
  doi={10.1021/acsapm.4c01570},
  title={Circular Melt-Spun Textile Fibers from Polyethylene-like Long-Chain Polyesters},
  number={15},
  volume={6},
  journal={ACS Applied Polymer Materials},
  pages={9219--9225},
  author={Wurst, Katrin and Birkle, Melissa and Scherer, Katharina and Mecking, Stefan}
}
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