2-Propylimidazole as a Co-catalyst in Specific Polyurethane Elastomer Syntheses Abstract: Polyurethane elastomers (PUEs) are a versatile class of polymers with a wide range of applications due to their tunable properties. Catalyst selection plays a crucial role in the synthesis of PUEs, influencing reaction kinetics, selectivity, and ultimately, the final material characteristics. This article explores the...