Chemically Recyclable and Biodegradable Vulcanized Rubber

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2024
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ACS Sustainable Chemistry & Engineering. ACS Publications. 2024, 12(16), S. 6281-6288. ISSN 2168-0485. eISSN 2168-0485. Verfügbar unter: doi: 10.1021/acssuschemeng.3c08435
Zusammenfassung

The cross-linked nature of vulcanized rubbers as used in tire and many other applications prohibits an effective closed-loop mechanical or chemical recycling. Moreover, vulcanization significantly retards the material’s biodegradation. Here, we report a recyclable and biodegradable rubber that is generated by the vulcanization of amorphous, unsaturated polyesters. The elastic material can be broken down via solvolysis into the underlying monomers. After removal of the vulcanized repeat units, the saturated monomers, constituting the major share of the material, can be recovered in overall recycling rates exceeding 90%. Respirometric biodegradation experiments by 13CO2 tracking under environmental conditions via the polyesters’ diol monomer indicated depolymerization and partial mineralization of the vulcanized polyester rubbers.

Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
540 Chemie
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vulcanizates, recycling, biodegradation, elastomers, sustainable materials
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ISO 690SCHWAB, Simon Timm, Taylor Frederick NELSON, Stefan MECKING, 2024. Chemically Recyclable and Biodegradable Vulcanized Rubber. In: ACS Sustainable Chemistry & Engineering. ACS Publications. 2024, 12(16), S. 6281-6288. ISSN 2168-0485. eISSN 2168-0485. Verfügbar unter: doi: 10.1021/acssuschemeng.3c08435
BibTex
@article{Schwab2024-04-22Chemi-69844,
  year={2024},
  doi={10.1021/acssuschemeng.3c08435},
  title={Chemically Recyclable and Biodegradable Vulcanized Rubber},
  number={16},
  volume={12},
  issn={2168-0485},
  journal={ACS Sustainable Chemistry & Engineering},
  pages={6281--6288},
  author={Schwab, Simon Timm and Nelson, Taylor Frederick and Mecking, Stefan}
}
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