Bis(cyclic carbonate) were prepared from the DGEBA reacted in the atmospheric pressure of CO2 . And then, use the polydimethy siloxane(PDMS) which included the amino group to afforded corresponding poly(hydroxyurethane)s. Half-esterification between these pendent hydroxyl groups and maleic anhydride could lead to new pendent groups, carboxylic groups. The carboxylic group could play the role of internal emulsifier that could dispersed steadily in the water, named aqueous-based polyurethane dispersion. Adding different ratio of bridging agent TMPTA-AZ(trimethylolpropane triacrylate-aziridine) into the WPU dispersion, would lead to cure by cross-linking. We discussed the properties of physics, thermal stability, dynamic mechanics in this research.