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 …

Toward stimuli‐responsive dynamic thermosets through continuous development and improvements in covalent adaptable networks (CANs)

M Podgórski, BD Fairbanks, BE Kirkpatrick… - Advanced …, 2020 - Wiley Online Library
Covalent adaptable networks (CANs), unlike typical thermosets or other covalently
crosslinked networks, possess a unique, often dormant ability to activate one or more forms …

Adaptable crosslinks in polymeric materials: resolving the intersection of thermoplastics and thermosets

GM Scheutz, JJ Lessard, MB Sims… - Journal of the American …, 2019 - ACS Publications
The classical division of polymeric materials into thermoplastics and thermosets based on
covalent network structure often implies that these categories are distinct and irreconcilable …

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 …

Colorless, transparent, robust, and fast scratch‐self‐healing elastomers via a phase‐locked dynamic bonds design

Y Lai, X Kuang, P Zhu, M Huang, X Dong… - Advanced …, 2018 - Wiley Online Library
Robust self‐healing thermoplastic elastomers are expected to have repeated healing
capability, remarkable mechanical properties, transparency, and superior toughness. The …

Functional epoxy vitrimers and composites

Y Yang, Y Xu, Y Ji, Y Wei - Progress in Materials Science, 2021 - Elsevier
From cars to airplanes, from household appliances to indoor ornaments, from biomedical
devices to factory equipment, epoxy resins have been deeply rooted in modern society. But …

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 …

Exchangeable liquid crystalline elastomers and their applications

MO Saed, A Gablier, EM Terentjev - Chemical Reviews, 2021 - ACS Publications
This Review presents and discusses the current state of the art in “exchangeable liquid
crystalline elastomers”, that is, LCE materials utilizing dynamically cross-linked networks …

On the welding of vitrimers: Chemistry, mechanics and applications

Q Shi, C Jin, Z Chen, L An… - Advanced Functional …, 2023 - Wiley Online Library
Linear chains in thermoplastics make them relatively weak in performance but inherently
weldable and recyclable. By contrast, thermosets with permanently crosslinked networks …