A self-healing and recyclable polyurethane-urea Diels–Alder adduct synthesized from carbon dioxide and furfuryl amine

P Wu, H Cheng, X Wang, R Shi, C Zhang, M Arai… - Green …, 2021 - pubs.rsc.org
The fabrication of self-healing and recyclable CO2-based polymeric materials meets the
requirement of sustainable development. By introducing reversible hydrogen bonds and …

A Review on CO2‐Based Polyureas and Polyurea Hybrids

H Li, H Cheng, F Zhao - Asian Journal of organic chemistry, 2022 - Wiley Online Library
The utilization of CO2 as a renewable and cheap carbon resource to produce fuels,
chemicals and polymers has attracted more attention. This review will summarize the …

Harnessing Activated Alkyne-Hydroxyl “Click” Chemistry for Degradable and Self-Healing Poly (urea vinyl ether ester) s

A Maity, J Chen, N Wilson-Faubert, A Laventure… - …, 2023 - ACS Publications
The growing impact of polymers in modern-day applications necessitates the development
of novel polymeric materials with versatile properties derived from readily available …

Tailoring crosslinking networks to fabricate photocurable polyurethane acrylate (PUA) dielectric elastomer with balanced electromechanical performance

L Xiong, D Li, Y Yang, X Ye, Y Huang, E Xu… - Reactive and Functional …, 2023 - Elsevier
The trade-off between high dielectric permittivity and low Young's modulus is always a
challenge for fabricating high-performance polyurethane acylate (PUA) based dielectric …

CO2-Sourced Polymers: Synthesis, Property, Application

H Li, F Zhao, H Cheng - Advances in CO2 Utilization: From Fundamentals …, 2024 - Springer
The polymeric materials could be synthesized directly from CO2 as a monomer, which are
named as CO2-sourced polymers, mainly including polyurethane, polyurea, polycarbonate …

Synthesis of Polyurea Thermoplastics through a Nonisocyanate Route Using CO2 and Aliphatic Diamines

R Shi, S Jiang, H Cheng, P Wu, C Zhang… - ACS Sustainable …, 2020 - ACS Publications
The transformation of CO2 can alleviate environmental problems and promote sustainable
development. We prepared polyureas (PUas) from CO2 and diamines via an isocyanate …

Isocyanate‐free synthesis of ureas and polyureas via ruthenium catalyzed dehydrogenation of amines and formamides

CR Langsted, SW Paulson, BH Bomann… - Journal of Applied …, 2022 - Wiley Online Library
Ethyl formate is very effective for the formylation of amines and diamines to yield formamides
and diformamides, respectively. Subsequent dehydrogenation of 1: 1 mixtures of …

Isocyanate-Free Polyurea Synthesis via Ru-Catalyzed Carbene Insertion into the N–H Bonds of Urea

FJ De Zwart, PCM Laan, NS Van Leeuwen… - …, 2022 - ACS Publications
Polyureas have widespread applications due to their unique material properties. Because of
the toxicity of isocyanates, sustainable isocyanate-free routes to prepare polyureas are a …

Non‐isocyanate Polyurethanes from 1, 1′‐Carbonyldiimidazole: A Polycondensation Approach

JD Wolfgang, BT White, TE Long - Macromolecular Rapid …, 2021 - Wiley Online Library
Carbonyldiimidazole (CDI) provides a platform to generate high molecular weight
polyurethanes from industrially relevant diols and diamines. CDI, which is described in the …

Biomass-based polyureas derived from rigid furfurylamine and isomannide

Y Jiang, S Yang, X Pan - ACS Applied Polymer Materials, 2022 - ACS Publications
Polyureas are important commercial polymers that are widely used in construction,
automobile industry, military field, and coatings. Biomass-based amines are attractive …