Fig. 2: Dynamic property of thiourea network.
From: Upcycling of dynamic thiourea thermoset polymers by intrinsic chemical strengthening
a The exchange reaction of the model compound. b Exchange kinetics of the model compound. c Isostrain stress-relaxation curves of polymer networks containing different amounts of the hindered thiourea bond (strain: 20%; temperature: 130 °C). d Mechanical properties of polymer networks with different amounts of the hindered thiourea bond. e Isostrain stress-relaxation curves of the polymer network with 21% of the hindered thiourea bond at different relaxation temperatures (strain: 20%).
