Structure–reactivity–property relationships in covalent adaptable networks

V Zhang, B Kang, JV Accardo… - Journal of the American …, 2022 - ACS Publications
Polymer networks built out of dynamic covalent bonds offer the potential to translate the
control and tunability of chemical reactions to macroscopic physical properties. Under …

Reprocessable cross-linked polymer networks: are associative exchange mechanisms desirable?

BR Elling, WR Dichtel - ACS Central Science, 2020 - ACS Publications
Covalent adaptable networks (CANs) are covalently cross-linked polymers that may be
reshaped via cross-linking and/or strand exchange at elevated temperatures. They …

Elastic vitrimers: Beyond thermoplastic and thermoset elastomers

J Luo, Z Demchuk, X Zhao, T Saito, M Tian, AP Sokolov… - Matter, 2022 - cell.com
Thermoset elastomers are widely used in industry and frontier research due to their
advantage of mechanical robustness, high thermal/chemical resistance, and good …

Neighboring group participation and internal catalysis effects on exchangeable covalent bonds: application to the thriving field of vitrimer chemistry

F Cuminet, S Caillol, É Dantras, E Leclerc… - …, 2021 - ACS Publications
Vitrimers constitute a fascinating class of polymer materials that make the link between the
historically opposed 3D networks (thermosets) and linear polymers (thermoplastics). Their …

Suppressing creep and promoting fast reprocessing of vitrimers with reversibly trapped amines

F Van Lijsebetten, K De Bruycker… - Angewandte Chemie …, 2022 - Wiley Online Library
We report a straightforward chemical strategy to tackle current challenges of irreversible
deformation in low Tg vitrimers at operating temperature. In particular, vinylogous urethane …

Catalyst-Free Epoxy Vitrimers Based on Transesterification Internally Activated by an α–CF3 Group

D Berne, F Cuminet, S Lemouzy… - …, 2022 - ACS Publications
Vitrimers are polymer networks in which associative exchange reactions can take place
under specific conditions, thus conferring reprocessability to insoluble materials. Recently …

Covalent adaptable networks using β-amino esters as thermally reversible building blocks

C Taplan, M Guerre, FE Du Prez - Journal of the American …, 2021 - ACS Publications
In this study, β-amino esters, prepared by the aza-Michael addition of an amine to an
acrylate moiety, are investigated as building blocks for the formation of dynamic covalent …

Reprocessable and recyclable polymer network electrolytes via incorporation of dynamic covalent bonds

Y Lin, Y Chen, Z Yu, Z Huang, JC Lai… - Chemistry of …, 2022 - ACS Publications
Mechanically durable polymer network electrolytes are desirable for batteries; however,
covalent cross-linking adversely affects their large-scale manufacturing, and they are difficult …

Controlling Dynamics of Associative Networks through Primary Chain Length

JJ Lessard, KA Stewart, BS Sumerlin - Macromolecules, 2022 - ACS Publications
Dynamic networks couple the robust nature of thermosets with the shapeability and
recyclability of thermoplastics. Though a wealth of exchange chemistries can be leveraged …

Arresting elevated-temperature creep and achieving full cross-link density recovery in reprocessable polymer networks and network composites via nitroxide …

L Li, X Chen, K Jin, MB Rusayyis, JM Torkelson - Macromolecules, 2021 - ACS Publications
Thermosets and thermoset composites constitute an extraordinary challenge for recycling
and participation in a circular economy because their permanent covalent cross-links …