“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 …

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 …

Advances in nonreactive polymer compatibilizers for commodity polyolefin blends

TW Lin, O Padilla-Vélez, P Kaewdeewong… - Chemical …, 2024 - ACS Publications
Recycling mixed polyolefin plastics is a significant challenge due to the limitations in sorting
and degraded mechanical properties of blends. Nonreactive compatibilization by adding a …

Lifecycle management for sustainable plastics: Recent progress from synthesis, processing to upcycling

S Yang, Y Li, M Nie, X Liu, Q Wang, N Chen… - Advanced …, 2024 - Wiley Online Library
Plastics, renowned for their outstanding properties and extensive applications, assume an
indispensable and irreplaceable role in modern society. However, the ubiquitous …

A general strategy and a consolidated mechanism for low-methane hydrogenolysis of polyethylene over ruthenium

C Wang, K Yu, B Sheludko, T **e, PA Kots… - Applied Catalysis B …, 2022 - Elsevier
Polyethylene (PE) is one of the most environment-threatening plastic waste. Its Ru-catalyzed
hydrogenolysis is rapid but produces too much methane. Here, low-density PE …

SMSI-induced charge transfer for selective hydrogenolysis of polyolefins

W Tu, M Chu, X Wang, X Wang, Y Li, W Yang… - Applied Catalysis B …, 2023 - Elsevier
The in-depth mechanism of the emerging Ru-catalyzed polyolefin hydrogenolysis remains
unclear. Here, we overcome this challenge by constructing a strong metal-support …

Entropy confinement promotes hydrogenolysis activity for polyethylene upcycling

Q Kang, M Chu, P Xu, X Wang, S Wang… - Angewandte Chemie …, 2023 - Wiley Online Library
Chemical upcycling that catalyzes waste plastics back to high‐purity chemicals holds great
promise in end‐of‐life plastics valorization. One of the main challenges in this process is the …

Catalytic hydroconversion processes for upcycling plastic waste to fuels and chemicals

J Wei, J Liu, W Zeng, Z Dong, J Song, S Liu… - Catalysis Science & …, 2023 - pubs.rsc.org
Plastic waste represents an environmental threat and a huge economic loss. Catalytic
hydroconversion of plastic wastes can enable valorization of plastic wastes to diverse value …

Interfacial solar‐driven steam and electricity co‐generation using Hydrangea‐like graphene by salt‐assisted carbonization of waste polylactic acid

H Wang, X Wen, K Liu, Q Liu, G Hu, H Liu, Y She… - …, 2024 - Wiley Online Library
The interfacial solar steam generation and water evaporation–driven power generation are
regarded as promising strategies to address energy crisis. However, it remains challenging …

Conversion of polyethylene waste to short chain hydrocarbons under mild temperature and hydrogen pressure with metal-free and metal-loaded MFI zeolites

JZ Tan, CW Hullfish, Y Zheng, BE Koel… - Applied Catalysis B …, 2023 - Elsevier
Catalytic hydrocracking on supported metal zeolites promisingly converts waste plastics into
more valuable hydrocarbons. Although the presence of metal sites on solid acids is typically …