Hydrogen-Bonded Supramolecular Liquid Crystal Polymers: Smart Materials with Stimuli-Responsive, Self-Healing, and Recyclable Properties

Hydrogen-bonded liquid crystalline polymers have emerged as promising “smart” supramolecular functional materials with stimuli-responsive, self-healing, and recyclable properties. The hydrogen bonds can either be used as chemically responsive (i.e., pH-responsive) or as dynamic structural (i.e., tem...

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Bibliographic Details
Published in:Chemical reviews 2022-03, Vol.122 (5), p.4946-4975
Main Authors: Lugger, Sean J. D, Houben, Simon J. A, Foelen, Yari, Debije, Michael G, Schenning, Albert P. H. J, Mulder, Dirk J
Format: Article
Language:English
Subjects:
Actuators
Crystal structure
Crystallinity
Functional materials
Hydrogen
Hydrogen Bonding
Hydrogen bonds
Liquid crystal polymers
Liquid crystals
Liquid Crystals - chemistry
Optical materials
Polymers
Polymers - chemistry
Porosity
Review
Selective binding
Self healing materials
Smart Materials
Stimuli
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Summary:Hydrogen-bonded liquid crystalline polymers have emerged as promising “smart” supramolecular functional materials with stimuli-responsive, self-healing, and recyclable properties. The hydrogen bonds can either be used as chemically responsive (i.e., pH-responsive) or as dynamic structural (i.e., temperature-responsive) moieties. Responsiveness can be manifested as changes in shape, color, or porosity and as selective binding. The liquid crystalline self-organization gives the materials their unique responsive nanostructures. Typically, the materials used for actuators or optical materials are constructed using linear calamitic (rod-shaped) hydrogen-bonded complexes, while nanoporous materials are constructed from either calamitic or discotic (disk-shaped) complexes. The dynamic structural character of the hydrogen bond moieties can be used to construct self-healing and recyclable supramolecular materials. In this review, recent findings are summarized, and potential future applications are discussed.
ISSN:0009-2665
1520-6890
1520-6890
DOI:10.1021/acs.chemrev.1c00330