PET化学回收技术的研究进展:醇解、糖酵解和水解解聚工艺

doi:10.11896/cldb.25060101

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Abstract This systematic review provides a comprehensive analysis of recycling strategies for polyethylene terephthalate (PET) waste plastics, with a specific focus on chemical recycling technologies aimed at achieving sustainable closed-loop cycles. The paper details recent advances in the three core chemical depolymerization processes for PET:alcoholysis, glycolysis, and hydrolysis. Emphasis is placed on innovative catalyst designs, including ionic liquids, deep eutectic solvents (DESs), and metal-organic frameworks (MOFs), alongside reaction engineering optimization strategies. These innovations have significantly enhanced reaction efficiency, as evidenced by reduced reaction times and increased PET conversion rates and target product yields. The review thoroughly analyzes the critical challenges and bottlenecks inherent in each depolymerization technology and provides a forward-looking perspective on future trends in the chemical upcycling of PET. This work aims to furnish theoretical guidance and practical references for developing efficient and industrially viable PET recycling technologies, so as to promote the development of circular plastics economy.

Key words： polyethylene terephthalate chemical recycling alcoholysis glycolysis hydrolysis

Published: 25 July 2026 Online: 2026-08-12

CLC number:

TQ32

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	XU Pengyuan

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XU Pengyuan. Research Progress in the Recycling of Polyethylene Terephthalate (PET): Alcoholysis, Glycolysis, and Hydrolysis Depolymerization Processes[J]. Materials Reports, 2026, 40(14): 25060101-13.

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https://www.mater-rep.com/EN/10.11896/cldb.25060101 OR https://www.mater-rep.com/EN/Y2026/V40/I14/25060101

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