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- Title
The Deeply Understanding of the Self-Healing Mechanism for Self-Healing Behavior of Supramolecular Materials Based on Cyclodextrin-Guest Interactions.
- Authors
Guo, Kun; Lin, Mu‐Song; Feng, Jun‐Feng; Pan, Min; Ding, Li‐Sheng; Li, Bang‐Jing; Zhang, Sheng
- Abstract
Cyclodextrin (CD)-based host-guest interactions are one of the important supramolecular interactions and have been playing significant role in the design of self-healing materials due to high selectivity and dynamic equilibrium. However, a deeper understanding of the self-healing mechanism is still rare, although self-healing materials based on CD-guest interactions have many advantages. This study provides a first step for the fundamental understanding of the influence factors on self-healing behavior of materials containing CD-guest complexes. It is found that the healing motifs are CD-guest interactions. Sufficient polymer chains mobility, a small amount of water, and high inclusion constant ( K) of host-guest interactions are also essential to the self-healing process. The threshold of K value is around 102 M−1.
- Subjects
CYCLODEXTRINS; SUPRAMOLECULAR polymers; EQUILIBRIUM; SELF-healing materials; POLYMERS
- Publication
Macromolecular Chemistry & Physics, 2017, Vol 218, Issue 10, pn/a
- ISSN
1022-1352
- Publication type
Article
- DOI
10.1002/macp.201600593