Fig. 6

Solvent-induced welding and healing of epoxy vitrimer. a Solvent triggered healing of vitrimer with a needle pierced hole (left panel) and a narrow cut (right panel). Scale bars: 100 µm. b The lap shear tests of welded samples. The stress and strain were measured while the sample was stretched at a ramp force of 0.5 N/min. c Welding to a more complicated structure. Scale bar: 1 cm. d Welding two 3D structures with different components to a more complicated structure. Scale bar: 1 cm