Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 32, Issue 8, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202108431
Keywords
adaptable materials; dynamic covalent chemistry; dynamic materials; polymer materials; supramolecular chemistry
Categories
Funding
- National Science Foundation [DMR-1749730]
- Robert H and Nancy J Blayney Professorship
- Army Research Office [68271-CH, W911NF-17-1-001]
- Neuroscience Institute at AHN
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Dynamic materials, or dynamers, have diverse applications in sustainable materials, advanced materials, and biomedical agents. Comprised of polymers with reversible bonds, the stability and dynamic properties of these materials are determined by the nature of the linker. Combining multiple dynamic linkers can introduce complementary functionalities and enhance material properties.
Dynamic materials (DMs) or dynamers have potential applications across a broad range of material science challenges. These applications include sustainable materials as a part of the circular plastics economy, advanced materials with tailored high stress properties and biomedical agents. DMs are comprised of polymers that crosslinked through reversible covalent and noncovalent linking groups. This group provides reversible bonds, which impart properties such as (re)healing, adaptability, toughness into a material. The nature of the linker dictates the dynamer's stability and dynamic properties, although for many applications one linker alone cannot give materials with complex multiresponsive functions. The combination of multiple dynamic linkers can introduce complementary functionalities into a single material. This combination of linkers enhances the collective material properties by matching their strengths and offsetting the weaknesses, or by selecting linkers for specific functions, such as one linker for rapid exchange and the other to respond to external stimuli. This contribution highlights the possibilities and unique features of materials containing multiple dynamic linkers, reviewing both fundamental discoveries of materials possessing multiple dynamic bonds and applications facilitated by the presence of multiple linking group chemistry.
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