pentamethyldiethylenetriamine (pmdeta) in rim molding processes introduction 🌟 in the vast and dynamic world of polymer science, there exists a plethora of chemicals that serve as catalysts, accelerators, or additives to enhance the properties of materials. one such chemical is pentamethyldiethylenetriamine (pmdeta), which plays an essential role in reaction injection molding (rim) processes. pmdeta, with...