The copolymers of acrylamide and acrylamide with pendant azobenzene (AzBA–AAm) were prepared by radical polymerization. The association constants of trans-AzBA–AAm copolymers with β-CD are larger than those of cis-AzBA–AAm copolymers. The trans-AzBA–AAm guest copolymer was found to form supramolecular gels with β-CD–pAA (pAA; poly(allylamine)) host copolymers in water.
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