A Supramolecular Polymer Based on Tweezer-Type π−π Stacking Interactions: Molecular Design for Healability and Enhanced Toughness
Chemistry of Materials2010Vol. 23(1), pp. 6–8
Citations Over TimeTop 10% of 2010 papers
Stefano Burattini, Barnaby W. Greenland, Wayne Hayes, Michael E. Mackay, Stuart J. Rowan, Howard M. Colquhoun
Abstract
A supramolecular elastomer comprising a blend of a pyrenyl-tweezer-ended polyamide intercalating with a chain-folding polyimide shows near-quantitative thermal healability. It also exhibits greatly enhanced toughness relative to an analogous system in which the polyamide end-groups are simple pyrenyl residues, reflecting the increased association constant between the two complementary binding motifs.
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