[HTML][HTML] Polybenzoxazine-based covalent adaptable networks: A mini-review

A Adjaoud, L Puchot, P Verge - Polymer, 2023 - Elsevier
Benzoxazines represent a class of thermoset resins known for their exceptional thermal, fire,
and mechanical properties. These resins find wide applications in various industries …

High‐Performance Vitrimeric Benzoxazines for Sustainable Advanced Materials: Design, Synthesis, and Applications

FI Anagwu, VK Thakur… - … Materials and Engineering, 2023 - Wiley Online Library
Polybenzoxazines are high‐performance materials capable of replacing conventional
thermosets such as phenolics, epoxies, and bismaleimides in composites manufacturing …

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 …

High-performance recyclable and malleable epoxy resin with vanillin-based hyperbranched epoxy resin containing dual dynamic bonds

Y Hao, L Zhong, T Li, J Zhang… - … Sustainable Chemistry & …, 2023 - ACS Publications
Dynamic covalent polymer networks represent new opportunities in the design of
sustainable epoxy resins due to their excellent malleability and reprocessability; however …

Critical effects of branch numbers at the cross-link point on the relaxation behaviors of transesterification vitrimers

T Isogai, M Hayashi - Macromolecules, 2022 - ACS Publications
Vitrimers are functional cross-linked materials, exhibiting reprocessability, recyclability, and
healability, and thus these are expected for application as sustainable materials. The …

Solvent-free preparation of imine vitrimers: leveraging benzoxazine crosslinking for melt processability and tunable mechanical performance

LJ Hamernik, W Guzman, JS Wiggins - Journal of Materials Chemistry …, 2023 - pubs.rsc.org
Covalent adaptable networks, particularly imine vitrimers, have received considerable
attention for the design of recyclable and reprocessable thermoset-like materials. However …

Ultrasonic welding of fiber reinforced vitrimer composites

AK Biswal, A Nandi, H Wang, A Vashisth - Composites Science and …, 2023 - Elsevier
In this investigation, we present an exciting discovery that glass and carbon fiber-reinforced
vitrimer composites (vGFRC and vCFRC) can be ultrasonically welded. The study shows …

Vitrimer composites: understanding the role of filler in vitrimer applicability

AM Hubbard, Y Ren, P Papaioannou… - ACS Applied Polymer …, 2022 - ACS Publications
Vitrimers, a subset of covalent adaptable networks (CANs), are a class of polymer material
capable of self-healing and shape reprocessing at temperatures above their topology …

Recyclability of Vitrimer materials: impact of Catalyst and Processing conditions

AM Hubbard, Y Ren, A Sarvestani, D Konkolewicz… - ACS …, 2022 - ACS Publications
With sustainability at the forefront of material research, recyclable polymers, such as
vitrimers, have garnered increasing attention since their introduction in 2011. In addition to a …

The role of tertiary amines as internal catalysts for disulfide exchange in covalent adaptable networks

K Yamawake, M Hayashi - Polymer Chemistry, 2023 - pubs.rsc.org
Here we explore the true effects of internal tertiary amines on the bond exchange properties
of cross-linked networks with a disulfide exchange mechanism. The creep and stress …