Recent advances in plastic recycling and upgrading under mild conditions

S Zhang, M Li, Z Zuo, Z Niu - Green Chemistry, 2023 - pubs.rsc.org
Plastic depolymerization usually requires rigorous conditions such as high temperature,
high pressure, and caustic bases or acids, resulting in high energy costs and environmental …

Synergistic dual dynamic bonds in covalent adaptable networks

J Zhao, Z Zhang, C Wang, X Yan - CCS Chemistry, 2024 - chinesechemsoc.org
Covalent adaptable networks (CANs), comprising polymer networks crosslinked by dynamic
covalent bonds (DCBs), have garnered considerable attention as sustainable materials …

Chemical upcycling of polyethylene, polypropylene, and mixtures to high-value surfactants

Z Xu, NE Munyaneza, Q Zhang, M Sun, C Posada… - Science, 2023 - science.org
Conversion of plastic wastes to fatty acids is an attractive means to supplement the sourcing
of these high-value, high-volume chemicals. We report a method for transforming …

Co-upcycling of polyvinyl chloride and polyesters

R Cao, MQ Zhang, Y Jiao, Y Li, B Sun, D Xiao… - Nature …, 2023 - nature.com
Catalytic upcycling of plastic wastes to valuable chemicals offers the opportunity to
simultaneously address the enormous environmental problems associated with plastics and …

Mechanistic insights enable divergent product selectivity in catalyst-controlled photooxidative degradation of polystyrene

S Oh, EE Stache - ACS Catalysis, 2023 - ACS Publications
Polystyrene upcycling to valuable commodity feedstocks is essential for reducing plastic
waste. Photooxidative degradation has emerged as a method for converting polystyrene to …

From plastic waste to treasure: selective upcycling through catalytic technologies

S Yue, P Wang, B Yu, T Zhang, Z Zhao… - Advanced Energy …, 2023 - Wiley Online Library
The huge amount of plastic wastes has become a pressing global environmental problem,
leading to severe environmental pollution and resource depletion through conventional …

Hydrodeoxygenation of Oxygen‐Containing Aromatic Plastic Wastes to Liquid Organic Hydrogen Carriers

J Wei, M Zhu, B Liu, N Wang, J Liu… - Angewandte …, 2023 - Wiley Online Library
To address the global plastic pollution issues and the challenges of hydrogen storage and
transportation, we report a system, based on the hydrodeoxygenation (HDO) of oxygen …

One-Pot Upgrading Polyethylene and CO2 to Aromatics via Tandem Catalysis

W Chen, Y Jiao, Y Liu, M Wang, F Zhang… - CCS Chemistry, 2024 - chinesechemsoc.org
Polyolefins have the largest share in plastic waste, so it is vital to transform these end-of-life
wastes into highly valued products. We present here a new catalytic method to produce …

Catalytic Upcycling of Polyolefins

J Sun, J Dong, L Gao, YQ Zhao, H Moon… - Chemical …, 2024 - ACS Publications
The large production volumes of commodity polyolefins (specifically, polyethylene,
polypropylene, polystyrene, and poly (vinyl chloride)), in conjunction with their low unit …

A general strategy for recycling polyester wastes into carboxylic acids and hydrocarbons

W Zeng, Y Zhao, F Zhang, R Li, M Tang… - Nature …, 2024 - nature.com
Chemical recycling of plastic wastes is of great significance for sustainable development,
which also represents a largely untapped opportunity for the synthesis of value-added …