Synergistic Catalysis of Bismuth and Zinc Complexes in Polyurethane Spray Elastomer Systems Abstract: Polyurethane (PU) spray elastomers are widely employed in protective coatings, linings, and structural applications due to their rapid curing, excellent mechanical properties, and chemical resistance. The reaction kinetics of isocyanate and polyol components are crucial for achieving desired performance characteristics. This article...

Synergistic Catalysis of Bismuth and Zinc Complexes in Polyurethane Spray Elastomer Systems Abstract: Polyurethane (PU) spray elastomers are widely employed in protective coatings, linings, and structural applications due to their rapid curing, excellent mechanical properties, and chemical resistance. The reaction kinetics of isocyanate and polyol components are crucial for achieving desired performance characteristics. This article...