Effective and sustainable depolymerization of Nylon 66 - a transamidation for the complete recycling of polyamides.

Chem Commun (Camb)

Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), KU Leuven, 3001 Leuven, Belgium.

Published: February 2024


Category Ranking

98%

Total Visits

921

Avg Visit Duration

2 minutes

Citations

20

Article Abstract

The transamidation of polyamides with short primary amides is reported as an effective recycling technique. This novel depolymerization method is robust and only utilizes cheap and renewable reagents. The process requires a NbO catalyst, assisted by NH, and operates at relatively mild reaction conditions ( 200 °C and 3 bar NH).

Download full-text PDF

Source
http://dx.doi.org/10.1039/d3cc05462dDOI Listing

Publication Analysis

Top Keywords

effective sustainable
4
sustainable depolymerization
4
depolymerization nylon
4
nylon transamidation
4
transamidation complete
4
complete recycling
4
recycling polyamides
4
polyamides transamidation
4
transamidation polyamides
4
polyamides short
4

Similar Publications

Integrating opinion dynamics and differential game modeling for sustainable groundwater management.

Water Res

September 2025

College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China. Electronic address:

Groundwater overextraction presents persistent challenges due to strategic interdependence among decentralized users. While game-theoretic models have advanced the analysis of individual incentives and collective outcomes, most frameworks assume fully rational agents and neglect the role of cognitive and social factors. This study proposes a coupled model that integrates opinion dynamics with a differential game of groundwater extraction, capturing the interaction between institutional authority and evolving stakeholder preferences.

View Article and Find Full Text PDF

As the global urban heat island (UHI) effect intensifies, understanding how UHI intensity responds to its influencing factors changes is critical for designing effective mitigation strategies. We focused on global megacities, shifted the UHI intensity assessment from physical indicators to human-related parameters, and then evaluated how human-centered UHI intensity responded to influencing factor change. We verified a significant discrepancy between traditional UHI intensity and human-centered UHI intensity worldwide, an average absolute difference of 1.

View Article and Find Full Text PDF

Microbial Enzymes for Biomass Conversion.

Annu Rev Microbiol

September 2025

3Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.

Plant biomass has emerged as a cornerstone of the global bioenergy landscape because of its abundance and cost-effectiveness. The cell wall of plant biomass is an intricate network of cellulose, hemicellulose, and lignin. The hydrolysis of cellulose and hemicellulose by holoenzymes converts these polymers into monosaccharides and paves the way for the production of bioethanol and other bio-based products.

View Article and Find Full Text PDF

Background: Online postal self-sampling (OPSS) allows service users to screen for sexually transmitted infections (STIs) by ordering a self-sampling kit online, taking their own samples, returning them to a laboratory for testing, and receiving their results remotely. OPSS availability and use has increased in both the United Kingdom and globally the past decade but has been adopted in different regions of England at different times, with different models of delivery. It is not known why certain models were decided on or how implementation strategies have influenced outcomes, including the sustainability of OPSS in sexual health service delivery.

View Article and Find Full Text PDF

remains a leading respiratory pathogen for children and the elderly. In Taiwan, a national PCV13 catch-up vaccination programme for children began in March 2013. This study investigates the population structure and antimicrobial profiles of pneumococcal isolates in Taiwan from 2006 to 2022.

View Article and Find Full Text PDF