Supramolecular materials cross-linked between polymer chains by noncovalent bonds have the potential to provide dynamic functions that are not produced by covalently cross-linked polymeric materials. We focused on the formation of supramolecular polymeric materials through host-guest interactions: a powerful method for the creation of nonconventional materials. We employed two different kinds of host-guest inclusion complexes of β-cyclodextrin (βCD) with adamantane (Ad) and ferrocene (Fc) to bind polymers together to form a supramolecular hydrogel (βCD-Ad-Fc gel). The βCD-Ad-Fc gel showed self-healing ability when damaged and responded to redox stimuli by expansion or contraction. Moreover, the βCD-Ad-Fc gel showed a redox-responsive shape-morphing effect. We thus succeeded in deriving three functions from the introduction of two kinds of functional units into a supramolecular material.
Supramolecular materials cross-linked between polymer chains by noncovalent bonds have the potential to providedynamic functions that are not produced by covalently cross-linked polymeric materials.Wefocused on the formation of supramolecular polymeric materials through host-guest interactions:apowerful method for the creation of nonconventional materials.W ee mployed two different kinds of host-guest inclusion complexes of b-cyclodextrin (bCD) with adamantane (Ad) and ferrocene (Fc) to bind polymers together to form as upramolecular hydrogel (bCD-Ad-Fc gel). The bCD-Ad-Fc gel showed self-healing ability when damaged and responded to redoxs timuli by expansion or contraction. Moreover,t he bCD-Ad-Fc gel showed ar edoxresponsive shape-morphing effect. We thus succeeded in deriving three functions from the introduction of two kinds of functional units into asupramolecular material.
A methodology for conformational analysis of polymers including both ester and amide groups has been developed to elucidate the structure–property relationships of a poly(ester amide) and a polyurethane.
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