Dynamic covalent bonds in polymeric materials

P Chakma, D Konkolewicz - Angewandte Chemie International …, 2019 - Wiley Online Library
Dynamic covalent bonds (DCBs) have received significant attention over the past decade.
These are covalent bonds that are capable of exchanging or switching between several …

Click nucleophilic conjugate additions to activated alkynes: exploring thiol-yne, amino-yne, and hydroxyl-yne reactions from (bio) organic to polymer chemistry

JC Worch, CJ Stubbs, MJ Price, AP Dove - Chemical Reviews, 2021 - ACS Publications
The 1, 4-conjugate addition reaction between activated alkynes or acetylenic Michael
acceptors and nucleophiles (ie, the nucleophilic Michael reaction) is a historically useful …

Dynamic covalent chemistry in polymer networks: a mechanistic perspective

JM Winne, L Leibler, FE Du Prez - Polymer Chemistry, 2019 - pubs.rsc.org
The incorporation of dynamic covalent linkages within and between polymer chains brings
new properties to classical thermosetting polymer formulations, in particular in terms of …

Fast dynamic siloxane exchange mechanism for reshapable vitrimer composites

T Debsharma, V Amfilochiou… - Journal of the …, 2022 - ACS Publications
To develop siloxane-containing vitrimers with fast dynamic characteristics, different
mechanistic pathways have been investigated using a range of catalysts. In particular, one …

Fast, strong, and reversible adhesives with dynamic covalent bonds for potential use in wound dressing

M Chen, Y Wu, B Chen, AM Tucker… - Proceedings of the …, 2022 - National Acad Sciences
Adhesives typically fall into two categories: those that have high but irreversible adhesion
strength due to the formation of covalent bonds at the interface and are slow to deploy, and …

Dynamic bonds: adaptable timescales for responsive materials

SV Wanasinghe, OJ Dodo… - Angewandte Chemie, 2022 - Wiley Online Library
Dynamic bonds introduce unique properties such as self‐healing, recyclability, shape
memory, and malleability to polymers. Significant efforts have been made to synthesize a …

Covalent Adaptable Networks with Tunable Exchange Rates Based on Reversible Thiol–yne Cross‐Linking

N Van Herck, D Maes, K Unal, M Guerre… - Angewandte Chemie …, 2020 - Wiley Online Library
The design of covalent adaptable networks (CANs) relies on the ability to trigger the
rearrangement of bonds within a polymer network. Simple activated alkynes are now used …

Enhancing the Equilibrium of Dynamic Thia-Michael Reactions through Heterocyclic Design

AE Crolais, ND Dolinski, NR Boynton… - Journal of the …, 2023 - ACS Publications
Although the catalyst-free dynamic thia-Michael (tM) reaction has been leveraged for a
range of significant applications in materials science and pharmaceutical development …

Photoswitchable dynamic conjugate addition-elimination reactions as a tool for light-mediated click and clip chemistry

H Lu, H Ye, M Zhang, Z Liu, H Zou, L You - Nature Communications, 2023 - nature.com
Phototriggered click and clip reactions can endow chemical processes with high
spatiotemporal resolution and sustainability, but are challenging with a limited scope. Herein …

Complementary dynamic chemistries for multifunctional polymeric materials

B Zhang, N De Alwis Watuthanthrige… - Advanced Functional …, 2022 - Wiley Online Library
Dynamic materials (DMs) or dynamers have potential applications across a broad range of
material science challenges. These applications include sustainable materials as a part of …