期刊
MATERIALS
卷 13, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/ma13010133
关键词
supramolecular hydrogels; polypseudorotaxane; self-assembly; alpha-cyclodextrin
类别
资金
- National Science Centre, Poland (NCN) [2015/17/B/ST5/01086]
Supramolecular hydrogels that are based on inclusion complexes between alpha-cyclodextrin and (co)polymers have gained significant attention over the last decade. They are formed via dynamic noncovalent bonds, such as host-guest interactions and hydrogen bonds, between various building blocks. In contrast to typical chemical crosslinking (covalent linkages), supramolecular crosslinking is a type of physical interaction that is characterized by great flexibility and it can be used with ease to create a variety of smart hydrogels. Supramolecular hydrogels based on the self-assembly of polypseudorotaxanes formed by a polymer chain guest and alpha-cyclodextrin host are promising materials for a wide range of applications. alpha-cyclodextrin-based polypseudorotaxane hydrogels are an attractive platform for engineering novel functional materials due to their excellent biocompatibility, thixotropic nature, and reversible and stimuli-responsiveness properties. The aim of this review is to provide an overview of the current progress in the chemistry and methods of designing and creating alpha-cyclodextrin-based supramolecular polypseudorotaxane hydrogels. In the described systems, the guests are (co)polymer chains with various architectures or polymeric nanoparticles. The potential applications of such supramolecular hydrogels are also described.
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