Journal
NATURE MATERIALS
Volume 10, Issue 1, Pages 14-27Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NMAT2891
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Funding
- National Science Foundation [DMR-0602869, CHE-0704026, CBET-0828155]
- US Army Research Office [DAAD19-03-1-0208, W911NF-06-1-0414]
- Subsonics Fixed Wing Project on the Fundamental Aeronautics Program
- NASA [NNX08AY62H]
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New materials that have the ability to reversibly adapt to their environment and possess a wide range of responses ranging from self-healing to mechanical work are continually emerging. These adaptive systems have the potential to revolutionize technologies such as sensors and actuators, as well as numerous biomedical applications. We will describe the emergence of a new trend in the design of adaptive materials that involves the use of reversible chemistry (both non-covalent and covalent) to programme a response that originates at the most fundamental (molecular) level. Materials that make use of this approach - structurally dynamic polymers - produce macroscopic responses from a change in the material's molecular architecture (that is, the rearrangement or reorganization of the polymer components, or polymeric aggregates). This design approach requires careful selection of the reversible/dynamic bond used in the construction of the material to control its environmental responsiveness.
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