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 …

Circularity in polymers: addressing performance and sustainability challenges using dynamic covalent chemistries

T Yan, AH Balzer, KM Herbert, TH Epps… - Chemical Science, 2023 - pubs.rsc.org
The circularity of current and future polymeric materials is a major focus of fundamental and
applied research, as undesirable end-of-life outcomes and waste accumulation are global …

Rheology of vitrimers

F Meng, MO Saed, EM Terentjev - Nature Communications, 2022 - nature.com
We describe the full rheology profile of vitrimers, from small deformation (linear) to large
deformation (non-linear) viscoelastic behaviour, providing concise analytical expressions to …

Polymers with dynamic bonds: adaptive functional materials for a sustainable future

S Samanta, S Kim, T Saito… - The Journal of Physical …, 2021 - ACS Publications
Polymeric materials play critical role in many current technologies. Among them, adaptive
polymeric materials with dynamic (reversible) bonds exhibit unique properties and provide …

Viscoelasticity of polymers with dynamic covalent bonds: concepts and misconceptions

ML Martins, X Zhao, Z Demchuk, J Luo… - …, 2023 - ACS Publications
Polymers with dynamic covalent bonds are an exciting class of materials with properties and
potential applications that rapidly gain significant attention from diverse scientific …

Importance of broad temperature windows and multiple rheological approaches for probing viscoelasticity and entropic elasticity in vitrimers

LE Porath, CM Evans - Macromolecules, 2021 - ACS Publications
Model polydimethylsiloxane telechelic vitrimers with dynamic boronic ester bonds were
synthesized to investigate the viscoelastic properties of dynamic networks with extremely …

Simple upcycling of virgin and waste polyethylene into covalent adaptable networks: catalyst-free, radical-based reactive processing with dialkylamino disulfide bonds

LM Fenimore, B Chen, JM Torkelson - Journal of Materials Chemistry …, 2022 - pubs.rsc.org
Polyethylene (PE) is a ubiquitous commodity polymer that faces significant barriers to
efficient recycling despite its thermoplastic nature. PE can be permanently cross-linked to …

Vitrimers: using dynamic associative bonds to control viscoelasticity, assembly, and functionality in polymer networks

L Porath, B Soman, BB Jing, CM Evans - ACS Macro Letters, 2022 - ACS Publications
Vitrimers have been investigated in the past decade for their promise as recyclable,
reprocessable, and self-healing materials. In this Viewpoint, we focus on some of the key …

Relaxation of vitrimers with kinetically distinct mixed dynamic bonds

L Porath, J Huang, N Ramlawi, M Derkaloustian… - …, 2022 - ACS Publications
Designing materials with tunable modulus and viscosity is key for applications such as three-
dimensional (3D) printing, sound damping, and wearable devices. Vitrimers provide an ideal …

Reprocessable polyhydroxyurethane networks reinforced with reactive polyhedral oligomeric silsesquioxanes (POSS) and exhibiting excellent elevated temperature …

S Hu, X Chen, MAB Rusayyis, NS Purwanto… - Polymer, 2022 - Elsevier
The rapid development of covalent adaptable networks or vitrimers shows promise for
addressing the long-standing recycling issues associated with conventional, permanently …