{"title":"Catalytic Depolymerization of Plastics to Valuable Products","authors":"Zhao Li, Bing Liu, Teng He, Ping Chen","doi":"10.1002/cctc.202500940","DOIUrl":null,"url":null,"abstract":"<p>Plastic products have become integral to every facet of human life. However, the environmental pollution caused by plastic wastes has been an unavoidable problem nowadays. Catalytic depolymerization of plastic waste provides a sustainable and economic alternative to solve the environmental issue. Herein, we summarize different types of catalytic depolymerization based on the compositions and structures of plastics. One catalog is the conversion of plastics into monomers, i.e., polyethylene terephthalate, nylon, and polycarbonate. Then, we focus on the conversion of polyolefins to gaseous and liquid hydrocarbons, value-added products. Selective oxidation of polystyrene and transition to functional polymers are also discussed. Ongoing challenges and opportunities are discussed at the end of this review, in order to offer guidance for the synthesis of valuable products from plastic wastes as new feedstocks.</p>","PeriodicalId":141,"journal":{"name":"ChemCatChem","volume":"17 20","pages":""},"PeriodicalIF":3.9000,"publicationDate":"2025-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ChemCatChem","FirstCategoryId":"92","ListUrlMain":"https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/cctc.202500940","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Plastic products have become integral to every facet of human life. However, the environmental pollution caused by plastic wastes has been an unavoidable problem nowadays. Catalytic depolymerization of plastic waste provides a sustainable and economic alternative to solve the environmental issue. Herein, we summarize different types of catalytic depolymerization based on the compositions and structures of plastics. One catalog is the conversion of plastics into monomers, i.e., polyethylene terephthalate, nylon, and polycarbonate. Then, we focus on the conversion of polyolefins to gaseous and liquid hydrocarbons, value-added products. Selective oxidation of polystyrene and transition to functional polymers are also discussed. Ongoing challenges and opportunities are discussed at the end of this review, in order to offer guidance for the synthesis of valuable products from plastic wastes as new feedstocks.
期刊介绍：
With an impact factor of 4.495 (2018), ChemCatChem is one of the premier journals in the field of catalysis. The journal provides primary research papers and critical secondary information on heterogeneous, homogeneous and bio- and nanocatalysis. The journal is well placed to strengthen cross-communication within between these communities. Its authors and readers come from academia, the chemical industry, and government laboratories across the world. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies, and is supported by the German Catalysis Society.
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