Shape memory polymers(SMPs),as smart materials,have unique shape memory and deformation recovery capabilities,and have been widely studied and applied in fields such as electronic devices,aerospace structures,and biomedical engineering.Cyclodextrin(CD)is a natural macromolecule with hydrophobic cavities and hydrophilic surfaces,and its unique structure provides the possibility for the design and synthesis of cyclodextrin based shape memory polymers with the desired structure and function.The structural properties of CD,the construction and application of CD-based shape memory polymers based on supramolecular interaction are reviewed,and its future development direction is prospected.
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