Journal ArticleDOI
Dynamic Covalent Polymer Networks: from Old Chemistry to Modern Day Innovations.
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This work designs dynamic covalent polymer networks with unique adaptive properties for vitrimeric rheological behavior and solid-state plasticity for this type of material, and suggests a promising future for this class of materials.Abstract:
Dynamic covalent polymer networks have long been recognized. With the initial focus on the unintended impact of dynamic covalent linkages on the viscoelasticity of commercial rubbers, efforts in modern times have transitioned into designing dynamic covalent polymer networks with unique adaptive properties. Whereas self-healing and thermoset reprocessing have been the primary motivations for studying dynamic covalent polymer networks, the recent discovery of the vitrimeric rheological behavior and solid-state plasticity for this type of material have opened up new opportunities in material innovations. This, coupled with the revelation of the dynamic characteristics of commercially relevant polymer building blocks such as esters and urethanes, suggests a promising future for this class of materials.read more
Citations
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Cross-linked polymers based on B–O bonds: synthesis, structure and properties
TL;DR: In this paper, the progress of research on cross-linked polymers based on B-O bonds with different structures and functions, and the synthesis, structure, and properties are highlighted.
Journal ArticleDOI
The effect of matrix on shape properties of aromatic disulfide based epoxy vitrimers
TL;DR: In this paper, five aromatic disulfide-based epoxy networks with a range of Tg values (32-142°C), molecular structure and crosslink densities (2252-462 m−m−3) were synthesized.
Journal ArticleDOI
“Solid-Liquid” Vitrimers Based on Dynamic Boronic Ester Networks
TL;DR: In this article, a series of "solid-liquid" vitrimers bearing varying contents of dynamic boronic ester bonds were synthesized via thiol-ene click reactions.
Journal ArticleDOI
Water-Mediated Spontaneously Dynamic Oxygen Migration on Graphene Oxide with Structural Adaptivity for Biomolecule Adsorption
Yusong Tu,Liang Zhao,Jiajia Sun,Yuanyan Wu,Xiaojie Zhou,Liang Chen,Xiaoling Lei,Haiping Fang,Guosheng Shi +8 more
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Self-healing solid polymer electrolyte based on imine bonds for high safety and stable lithium metal batteries
TL;DR: Li et al. as discussed by the authors reported a self-healing solid polymer electrolyte (ShSPE) based on imine bonds, fabricated from varying amounts of polyoxyethylenebis(amine) and terephthalaldehyde through a simple Schiff base reaction.
References
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Journal ArticleDOI
Autonomic healing of polymer composites
Scott R. White,Nancy R. Sottos,Philippe H. Geubelle,Jeffrey S. Moore,Jeffrey S. Moore,Michael R. Kessler,Suresh R. Sriram,Suresh R. Sriram,Eric Brown,S. Viswanathan +9 more
TL;DR: A structural polymeric material with the ability to autonomically heal cracks is reported, which incorporates a microencapsulated healing agent that is released upon crack intrusion and polymerization of the healing agent is triggered by contact with an embedded catalyst, bonding the crack faces.
Journal ArticleDOI
Controlled/living radical polymerization: Features, developments, and perspectives
TL;DR: In this article, a review of recent mechanistic developments in the field of controlled/living radical polymerization (CRP) is presented, with particular emphasis on structure-reactivity correlations and "rules" for catalyst selection in ATRP, for chain transfer agent selection in reversible addition-fragmentation chain transfer (RAFT) polymerization, and for the selection of an appropriate mediating agent in stable free radical polymerisation (SFRP), including organic and transition metal persistent radicals.
Journal ArticleDOI
Self-healing and thermoreversible rubber from supramolecular assembly
TL;DR: The design and synthesis of molecules that associate together to form both chains and cross-links via hydrogen bonds and the system shows recoverable extensibility up to several hundred per cent and little creep under load are designed and synthesized.
Journal ArticleDOI
A Thermally Re-mendable Cross-Linked Polymeric Material
Xiangxu Chen,Matheus Adrianus Dam,Kanji Ono,Ajit Mal,Hongbin Shen,Steven Nutt,Kevin Sheran,Fred Wudl +7 more
TL;DR: A transparent organic polymeric material that can repeatedly mend or “re-mend” itself under mild conditions and is a tough solid at room temperature and below with mechanical properties equaling those of commercial epoxy resins.
Journal ArticleDOI
Silica-Like Malleable Materials from Permanent Organic Networks
TL;DR: In this paper, the authors designed epoxy networks that can rearrange their topology by exchange reactions without depolymerization, and showed that they are insoluble and processable.