An AB2‐Type Hyperbranched Supramolecular Polymer Based on Calix4Pyrrole Anion Recognition: Construction, Stimuli‐Responsiveness, and Morphology Tuning

摘要

Abstract An AB2‐type monomer comprised of a calix[4]pyrrole skeleton and alternating bis‐carboxylate units is reported and used for the construction of a novel supramolecular hyperbranched polymer based on anion recognition ability of calix[4]pyrrole. 1H‐, DOSY‐NMR spectroscopy, viscosity measurements, and dynamic light scattering techniques are used for the characterization of the supramolecular hyperbranched polymer exhibiting thermo‐, pH‐, and chemical responsiveness, as well as concentration dependent morphology tune as inferred from electron microscopy analyses. The present study enriches the field of supramolecular polymers with a new construction motif, building block, and provides a simple approach for the fabrication of smart polymer material with multi‐responsiveness and ‐morphologies.