Fig. 2: Sustainable VegPU binder synthesis and characterization.
From: Printed sustainable elastomeric conductor for soft electronics
a Design of sustainable VegPU binder with superior mechanical and recycling properties. b Typical creep and recovery strain-time curves of VegPU under different applied temperatures. c Tensile stress-strain curves of VegPU1-4 with different molar ratios of SPO. d Cyclic loading-unloading curves of sustainable VegPU at 100 to 500% strains. e Cyclic loading-unloading curves and subsequent recovery cycles after a delay of 30 to 180 mins to investigate the self-recoverability ability of sustainable VegPU. f Recycled VegPU film through the solution casting and hot pressing. g The cyclic reaction mechanism of carbamate-oxime formation to a five-membered cyclic intramolecular charge transfer. h The stress–extension curve of recycled VegPU film via solution recasting. i The stress-extension curve of recycled VegPU film via hot-pressing. j The storage modulus curves of recycled sustainable VegPU films. k The loss factor curves of recycled sustainable VegPU films.
