期刊
MACROMOLECULES
卷 43, 期 6, 页码 2643-2653出版社
AMER CHEMICAL SOC
DOI: 10.1021/ma902596s
关键词
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资金
- National Institutes of Health, NIH [DE10959]
- National Science Foundation [CBET 0626023, 0933828]
- Department of Education GAANN Fellowship
- Sandia National Laboratories
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0933828] Funding Source: National Science Foundation
Polymer networks possessing reversible covalent cross-links constitute a novel material class with the capacity for adapting to an externally applied stimulus. These covalent adaptable networks (CANS) represent;1 trend in polymer network fabrication toward the rational design of structural materials possessing dynamic characteristics for specialty applications. Herein, we discuss the unique attributes of CANS that must be considered when designing, fabricating, and characterizing these smart materials that respond to either thermal or photochemical stimuli. While there are many reversible reactions which to consider as possible cross-link candidates in CANS, there are very few that are readily and repeatedly reversible. Furthermore, characterization of the mechanical properties of CANS requires special consideration owing to their unique attributes. Ultimately, these attributes are what lead to the advantageous properties displayed by CANS, such as recyclability, healability, tunability, shape changes, and low polymerization stress. Throughout this Perspective, we identify several trends and future directions in the emerging field of CANS that demonstrate the progress to date as well as the essential elements that are needed for further advancement.
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