文摘
Starting with reversible polymer networks based on the Diels–Alder reaction of furan and maleimide, a large variety of different self-healing polymers based on reversible covalent interactions have been developed in the last decade. These intrinsic self-healing polymers are mainly based on reversible addition reactions, exchange reactions, and condensations. The most prominent examples of such materials are based on Diels–Alder chemistry, photocycloadditions, disulfide reactions, acylhydrazones, and reversible radical reactions.