Critical advances and future opportunities in upcycling commodity polymers

C Jehanno, JW Alty, M Roosen, S De Meester… - Nature, 2022 - nature.com
The vast majority of commodity plastics do not degrade and therefore they permanently
pollute the environment. At present, less than 20% of post-consumer plastic waste in …

Sustainable developments in polyolefin chemistry: Progress, challenges, and outlook

XY Wang, Y Gao, Y Tang - Progress in Polymer Science, 2023 - Elsevier
Polyolefins are the largest-scale synthetic plastics and play a key role in modern society.
Their production consumes huge amounts of fossil-derived monomer feedstocks, which …

Polyolefins and polystyrene as chemical resources for a sustainable future: challenges, advances, and prospects

CWS Yeung, JYQ Teo, XJ Loh, JYC Lim - ACS Materials Letters, 2021 - ACS Publications
Nonbiodegradable plastics with inert and saturated C–C backbones comprise the majority of
global annual plastics produced, including the ubiquitous polyolefins (polyethylene and …

Diversification of aliphatic C–H bonds in small molecules and polyolefins through radical chain transfer

TJ Fazekas, JW Alty, EK Neidhart, AS Miller… - Science, 2022 - science.org
The ability to selectively introduce diverse functionality onto hydrocarbons is of substantial
value in the synthesis of both small molecules and polymers. Herein, we report an approach …

100th anniversary of macromolecular science viewpoint: redefining sustainable polymers

DE Fagnani, JL Tami, G Copley, MN Clemons… - ACS macro …, 2020 - ACS Publications
Although Staudinger realized makromoleküles had enormous potential, he likely did not
anticipate the consequences of their universal adoption. With 6.3 billion metric tons of plastic …

Chemical modification of oxidized polyethylene enables access to functional polyethylenes with greater reuse

JX Shi, NR Ciccia, S Pal, DD Kim… - Journal of the …, 2023 - ACS Publications
Polyethylene is a commodity material that is widely used because of its low cost and
valuable properties. However, the lack of functional groups in polyethylene limits its use in …

Diverse functional polyethylenes by catalytic amination

NR Ciccia, JX Shi, S Pal, M Hua, KG Malollari… - Science, 2023 - science.org
Functional polyethylenes possess valuable bulk and surface properties, but the limits of
current synthetic methods narrow the range of accessible materials and prevent many …

Photoinduced iron-catalyzed C–H alkylation of polyolefins

Z Zhang, Y Zhang, R Zeng - Chemical Science, 2023 - pubs.rsc.org
Chemically introducing diverse polar groups into polyolefins via carbon–hydrogen bond
alkylation with polar olefins is of substantial value in the synthesis of next-generation …

Progress toward sustainable polymer technologies with ball-mill grinding

A Rizzo, GI Peterson - Progress in Polymer Science, 2024 - Elsevier
The ball-mill grinding (BMG) of polymers has a long history, starting with Staudinger
showing in the 1930s that polystyrene undergoes chain scission upon ball milling. However …

A cleavable crosslinking strategy for commodity polymer functionalization and generation of reprocessable thermosets

L Bi, B Godwin, MJ Baran, R Nazir… - Angewandte …, 2023 - Wiley Online Library
Covalently crosslinked polymeric materials, known as thermosets, possess enhanced
mechanical strength and thermal stability relative to the corresponding uncrosslinked …