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Title: Upcycling to sustainably reuse plastics
Authors: Zhao, Xin
Boruah, Bhanupriya
Chin, Kek Foo
Đokić, Miloš
Modak, Jayant M
Soo, Han Sen
Keywords: Science::Chemistry
Issue Date: 2022
Source: Zhao, X., Boruah, B., Chin, K. F., Đokić, M., Modak, J. M. & Soo, H. S. (2022). Upcycling to sustainably reuse plastics. Advanced Materials, 34(25), e2100843-.
Project: RG 111/18
RT 05/19
Journal: Advanced Materials
Abstract: Plastics are now indispensable in daily lives. However, the pollution from plastics is also increasingly becoming a serious environmental issue. Recent years have seen more sustainable approaches and technologies, commonly known as upcycling, to transform plastics into value-added materials and chemical feedstocks. In this review, the latest research on upcycling is presented, with a greater focus on the use of renewable energy as well as the more selective methods to repurpose synthetic polymers. First, thermal upcycling approaches are briefly introduced, including the redeployment of plastics for construction uses, 3D printing precursors, and lightweight materials. Then, some of the latest novel strategies to deconstruct condensation polymers to monomers for repolymerization or introduce vulnerable linkers to make the plastics more degradable are discussed. Subsequently, the review will explore the breakthroughs in plastics upcycling by heterogeneous and homogeneous photocatalysis, as well as electrocatalysis, which transform plastics into more versatile fine chemicals and materials while simultaneously mitigating global climate change. In addition, some of the biotechnological advances in the discovery and engineering of microbes that can decompose plastics are also presented. Finally, the current challenges and outlook for future plastics upcycling are discussed to stimulate global cooperation in this field.
ISSN: 0935-9648
DOI: 10.1002/adma.202100843
Rights: © 2021 Wiley-VCH GmbH. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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