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. 2023 Jun 5;14:3249. doi: 10.1038/s41467-023-38998-1

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a The reaction process of acetolysis of PET bottles. b SEM pattern of TPA obtained from waste PET bottles through acetolysis. c XRD pattern of TPA obtained from waste PET bottles and textiles. d HPLC spectra of TPA obtained from waste PET bottles and textiles. e Universality of PET degraded by acetolysis, 1–8 are photos of PET powder, particles, transparent bottle, blue bottle, a green bottle, black tray, physical mixing of PET and PP, PET/PP composite films, 1a–8a are the photos of terephthalic acid obtained by acetolysis of the above materials. Error bars indicate the standard deviation of the depolymerization results obtained from three independent replicates.