Improved water resistance of TA-modified soy adhesive: Effect of complexation

The poor water resistance of protein adhesives seriously restricted their practical applications. Though many crosslinking agents, i.e. phenol formaldehyde, epoxy resins etc., can enhance the wet adhesion, high-proportion use of synthetic additives reduce intrinsic sustainability of protein formulations, and thus green yet robust protein adhesives are still highly expected. Herein, tannic acid (TA), a woody bio-extract abundant in catecholic...