Fig. 4: Structural mechanism for adhesion properties of the bio-adhesive.
From: Reversible biobased adhesives enable closed-loop engineered composites

a Shear-tensile curves of bio-adhesives as a function of the DCNC-cys content. b Illustration of stress yield behavior. c Adhesion strength at different mixing concentrations. d Strain-dependent FEA simulations of LA-DBU adhesive and e LA-DBU/DCNC-cys adhesive. f Local time-dependent stress variation of g LA-DBU and h LA-DBU/DCNC-cys. i Schematic illustration of the nanoconfined structure. j Exchange and rearrangement processes of confined chains under external stress.