Polyurethane One-Component Catalyst for Moisture-Cure Construction Sealants: A Comprehensive Review Abstract: This article provides a comprehensive review of one-component (1K) catalysts specifically designed for moisture-cure polyurethane (PU) construction sealants. It examines the critical role of these catalysts in influencing cure kinetics, physical properties, and overall performance of the sealant. We delve into the mechanism of...