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Deconstruction of Polymers through Olefin Metathesis
Chemical Reviews ( IF 51.4 ) Pub Date : 2024-05-24 , DOI: 10.1021/acs.chemrev.3c00748
Devavrat Sathe 1 , Seiyoung Yoon 1 , Zeyu Wang 1 , Hanlin Chen 1 , Junpeng Wang 1
Affiliation  

The consumption of synthetic polymers has ballooned; so has the amount of post-consumer waste generated. The current polymer economy, however, is largely linear with most of the post-consumer waste being either landfilled or incinerated. The lack of recycling, together with the sizable carbon footprint of the polymer industry, has led to major negative environmental impacts. Over the past few years, chemical recycling technologies have gained significant traction as a possible technological route to tackle these challenges. In this regard, olefin metathesis, with its versatility and ease of operation, has emerged as an attractive tool. Here, we discuss the developments in olefin-metathesis-based chemical recycling technologies, including the development of new materials and the application of olefin metathesis to the recycling of commercial materials. We delve into structure–reactivity relationships in the context of polymerization–depolymerization behavior, how experimental conditions influence deconstruction outcomes, and the reaction pathways underlying these approaches. We also look at the current hurdles in adopting these technologies and relevant future directions for the field.

中文翻译:


通过烯烃复分解解构聚合物



合成聚合物的消费量激增;消费后废物的产生量也随之增加。然而,当前的聚合物经济在很大程度上与大多数消费后废物的填埋或焚烧呈线性关系。缺乏回收利用,加上聚合物行业巨大的碳足迹,导致了重大的负面环境影响。在过去的几年中,化学回收技术作为应对这些挑战的可能技术路线获得了巨大的关注。在这方面,烯烃复分解以其多功能性和易于操作性,已成为一种有吸引力的工具。在这里,我们讨论基于烯烃复分解的化学回收技术的发展,包括新材料的开发以及烯烃复分解在商业材料回收中的应用。我们深入研究聚合-解聚行为背景下的结构-反应性关系、实验条件如何影响解构结果,以及这些方法背后的反应途径。我们还研究了当前采用这些技术的障碍以及该领域的相关未来方向。
更新日期:2024-05-24
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