Influence of Cyclodextrin Molecules on the Synthesis and the Thermoresponsive Solution Behavior of N-Isopropylacrylamide Copolymers with Adamantyl Groups in the Side-Chains



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Parting the clouds: A supramolecular recognition reaction of cyclodexdrins with polymers—adamantyl derivative N-isopropylacrylamide copolymers—with inverse phase behavior is described. The turbidity of the polymer solutions depends upon the cyclodextrin concentration. Competition reactions with potassium-1-adamantylcarboxylate show that the inclusion-complex formation is reversible (see scheme).