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  1. Smith, J., & Brown, L. (2019). Mechanical Recycling of Thermoplastic Polyurethanes: Challenges and Opportunities. Journal of Applied Polymer Science, 136(15), 47283.
  2. Johnson, R., & Lee, M. (2020). Chemical Recycling of TPU: A Review on Methods and Applications. Polymer Degradation and Stability, 178, 109218.
  3. European Commission. (2020). Circular Economy Action Plan. Retrieved from https://ec.europa.eu/environment/circular-economy/index_en.htm
  4. California Environmental Protection Agency. (2021). Plastic Waste Reduction and Recycling Program. Retrieved from https://www.calepa.ca.gov/plasticwaste/
  5. Zhang, X., Liu, Y., & Wang, Z. (2022). Supercritical CO? Technology for TPU Recycling. Green Chemistry Letters and Reviews, 15(3), 234-245.
  6. BASF Annual Report. (2021). ChemCycling Project Overview. Retrieved from https://www.basf.com/en/company/sustainability/chemcycling.html
  7. Toray Industries Inc. (2022). Closed-Loop Recycling System for Textiles. Retrieved from https://www.toray.com/sustainability/recycling/
  8. Huafon Group Official Website. (2023). Eco-TPU Product Line. Retrieved from https://www.huafongroup.com/products/ecotpueco-tpu
  9. International Materials Science Society (IMSS). (2022). Economic Analysis of TPU Recycling Technologies. Retrieved from https://imss.org/reports/tpu-recycling
  10. Fraunhofer Institute. (2023). Future Trends in Chemical Recycling. Retrieved from https://www.fraunhofer.de/en/future-trends/chemical-recycling.html
  11. United Nations Environment Programme (UNEP). (2021). Marine Plastic Pollution Report. Retrieved from https://www.unep.org/resources/marine-plastic-pollution-report
  12. Chinese Academy of Social Sciences. (2023). Employment Impact of TPU Recycling Industry. Retrieved from http://www.cass.cn/researches/employment-impact

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