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Self-Healing Supramolecular Block Copolymers

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  • We thank the US Department of Energy, Division of Materials Sciences (DE-FG02-04ER46162), and the National Science Foundation (DMR-1217651) for financial support. The Alexander von Humboldt foundation is thanked for financial support through a Feodor Lynen research fellowship for J.H.

Abstract

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Polymer, heal thyself! Supramolecular ABA triblock copolymers formed by dimerization of 2-ureido-4-pyrimidinone (UPy) end-functionalized polystyrene-b-poly(n-butyl acrylate) (PS-b-PBA) AB diblock copolymers have been synthesized, resulting in a self-healing material that combines the advantageous mechanical properties of thermoplastic elastomers and the dynamic self-healing features of supramolecular materials.

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