“Functional upcycling” of polymer waste towards the design of new materials

O Guselnikova, O Semyonov, E Sviridova… - Chemical Society …, 2023 - pubs.rsc.org
Diversification of polymer waste recycling is one of the solutions to improve the current
environmental scenario. Upcycling is a promising strategy for converting polymer waste into …

Sustainable chemical upcycling of waste polyolefins by heterogeneous catalysis

M Chu, W Tu, S Yang, C Zhang, Q Li, Q Zhang… - SusMat, 2022 - Wiley Online Library
The mass production of disposable polyolefin products has led to serious plastic pollution
and an imbalance between manufacturing and recycling. Given these challenges, the …

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 …

Chemical upcycling of polyethylene to value-added α, ω-divinyl-functionalized oligomers

M Zeng, YH Lee, G Strong, AM LaPointe… - ACS Sustainable …, 2021 - ACS Publications
Today, only 9% of plastic waste is recycled worldwide, with polyethylene being one of the
most frequently discarded plastics. In this work, a new route to chemically recycle …

The post-modification of polyolefins with emerging synthetic methods

CM Plummer, L Li, Y Chen - Polymer Chemistry, 2020 - pubs.rsc.org
The non-polar nature of polyolefins, alongside providing the valuable properties that mark
them as one of the most important modern polymers, also entails that their application in …

[HTML][HTML] Sustainable polyurethanes: toward new cutting-edge opportunities

A Delavarde, G Savin, P Derkenne, M Boursier… - Progress in Polymer …, 2024 - Elsevier
Polyurethanes (PU) are ranked amongst the 6 th most manufactured worldwide polymers
and are widely used in a variety of applications due to the diversity of properties they offer …

Chemo-and regioselective functionalization of isotactic polypropylene: A mechanistic and structure–property study

JB Williamson, CG Na, RR Johnson III… - Journal of the …, 2019 - ACS Publications
Polyolefins represent a high-volume class of polymers prized for their attractive
thermomechanical properties, but the lack of chemical functionality on polyolefins makes …

Waste PVC upcycling: Transferring unmanageable Cl species into value-added Cl-containing chemicals

B Feng, Y Jing, X Liu, Y Guo, Y Wang - Applied Catalysis B: Environmental, 2023 - Elsevier
The upcycling of waste polyvinyl chloride (PVC) is a grand challenge because of the
unmanageable Cl species. Here, we develop a Cl-transfer strategy to upcycle waste PVC …

Zirconium-catalyzed C–H alumination of polyolefins, paraffins, and methane

U Kanbur, AL Paterson, J Rodriguez… - Journal of the …, 2023 - ACS Publications
C–H/Et-Al exchange in zirconium-catalyzed reactions of saturated hydrocarbons and AlEt3
affords versatile organoaluminum compounds and ethane. The grafting of commercially …