Fig. 1: Design of polythiourea networks.

a Synthesis of crosslinked PTUs containing thioureas. b Dissociation/association equilibriums of thioureas, and chemical structures of commercial isothiocyanates and monoamines.
a Synthesis of crosslinked PTUs containing thioureas. b Dissociation/association equilibriums of thioureas, and chemical structures of commercial isothiocyanates and monoamines.