The Chemical Recycling of Polyesters for a Circular Plastics Economy: Challenges and Emerging Opportunities.
The Chemical Recycling of Polyesters for a Circular Plastics Economy: Challenges and Emerging Opportunities.
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DOI：
10.1002/cssc.202100400
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发表时间：
2021-10-05
期刊：
影响因子：
8.4
通讯作者：
Jones MD
中科院分区：
文献类型：
--
作者：
Payne J;Jones MD
虽然塑料在人类发展中发挥了重要作用，但日益增长的环境问题导致公众越来越多地审查和要求彻底禁止塑料。这刺激了对可再生替代品的大量研究，最近又刺激了替代废物管理策略的开发。在此，目的是突出最近的发展，在催化化学回收的两个商业聚酯，即聚（乳酸）（PLA）和聚（对苯二甲酸乙二醇酯）（PET）。化学回收的概念是第一次介绍，和相关的机会/挑战进行了讨论的背景下，管理解聚热力学。然后讨论了PLA和PET的化学回收方法，特别关注升级循环和金属基催化剂的使用。最后，人们的注意力转移到新材料的出现，这些新材料有可能使塑料经济现代化。在工业可行性的背景下讨论了新出现的机遇和挑战。 重塑塑料的未来：在这篇综述中，介绍了聚乳酸（PLA）和聚对苯二甲酸乙二醇酯（PET）的催化化学回收策略，特别关注升级回收和金属基催化剂的使用。最近的事态发展进行了严格的讨论，在工业可行性的范围内。
Whilst plastics have played an instrumental role in human development, growing environmental concerns have led to increasing public scrutiny and demands for outright bans. This has stimulated considerable research into renewable alternatives, and more recently, the development of alternative waste management strategies. Herein, the aim was to highlight recent developments in the catalytic chemical recycling of two commercial polyesters, namely poly(lactic acid) (PLA) and poly(ethylene terephthalate) (PET). The concept of chemical recycling is first introduced, and associated opportunities/challenges are discussed within the context of the governing depolymerisation thermodynamics. Chemical recycling methods for PLA and PET are then discussed, with a particular focus on upcycling and the use of metal‐based catalysts. Finally, the attention shifts to the emergence of new materials with the potential to modernise the plastics economy. Emerging opportunities and challenges are discussed within the context of industrial feasibility. Reimagine a future with plastics: In this Review, catalytic chemical recycling strategies for poly(lactic acid) (PLA) and poly(ethylene terephthalate) (PET) are presented, with a particular focus on upcycling and the use of metal‐based catalysts. Recent developments are critically discussed within the context of industrial feasibility.
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