Vitrimer synthesis from recycled polyurethane gylcolysate
Frontiers in Bioengineering and Biotechnology, 2023 Polyurethanes and plastics have become ubiquitous in modern society, finding use in a wide variety of applications such as clothing, automobiles, and shoes.
Yu-Hsuan Lin +3 more
doaj +1 more source
Macromolecular Materials and Engineering, 2022 In this work, vitrimeric elastomers based on functionalized poly(dimethylsiloxane) are realized. By exploiting reactions of epoxide functional groups with carboxylic acids in the presence of a covalently bonded amine catalyst, dynamic networks are formed
Florian Wanghofer +3 more
doaj +1 more source
Structure–Reactivity–Property Relationships in Covalent Adaptable Networks
, 2022 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 conditions at which these reactions occur, the topology of covalent adaptable
Julia A. Kalow (2161156) +3 more
core +1 more source
Neighboring Group Participation in Ionic Covalent Adaptable Networks
, 2022 Covalent adaptable networks (CANs) typically require external catalysts for efficient cross-linker exchange, which can limit network reprocessability due to catalyst leaching and degradation. In this study, catalysts were avoided by using a bicyclo[3.3.1]
Eden S. Taddese (13982523) +6 more
core +1 more source
Phase separation in supramolecular and covalent adaptable networks [PDF]
, 2023 Phase separation phenomena have been studied widely in the field of polymer science, and were recently also reported for dynamic polymer networks (DPNs).
Schoustra, Sybren K. +3 more
core +2 more sources
A molecular dynamics study of bond exchange reactions in covalent adaptable networks
, 2015 Covalent adaptable networks are polymers that can alter the arrangement of network connections by bond exchange reactions where an active unit attaches to an existing bond then kicks off its pre-existing peer to form a new bond.
Yang H +7 more
core +1 more source
Interfacial Compatibility of Core-Shell Cellulose Nanocrystals for Improving Dynamic Covalent Adaptable Networks’ Fracture Resistance in Nanohybrid Vitrimer Composites [PDF]
, 2023 The development of polymeric nanocomposites with dynamic covalent adaptable networks and biobased nanomaterials has been a promising approach toward sustainable advanced materials, enabling reprogramming and recycling capabilities.
Zhao, Boxin +6 more
core +1 more source
Complete relaxation of thiol-ene vitrimeric elastomers with drastically reduced dynamic content
Polymer TestingEstablishing a balance between polymer flow for reprocessing and mechanical robustness at service temperatures presents a challenge in designing covalent adaptable networks (CANs).
Hani Alzubi +4 more
doaj +1 more source
Dual Modulation of Chitosan/Keratin Hydrogels by Pluronic F-68 and Hexamethylene Diisocyanate for Tunable Wound Healing Scaffolds [PDF]
Materials ResearchThis study investigates the complementary modulation of chitosan/keratin hydrogels through the combined use of hexamethylene diisocyanate (HDI) and Pluronic F-68, aiming to tailor mechanical stability, porosity, and biological performance for wound ...
Jéssica de Lima Dias Boaventura Muniz +4 more
doaj +2 more sources
, 2022 Covalent adaptable hydrogels containing dynamic covalent bonds are gaining significant interest based on their ability of stimulicontrolled reversible bond dissociation, structural reorganization, color change, and self-healing through covalent bond ...
Roghani-Mamaqani, Hossein +4 more
core +1 more source