the catalytic mechanism of dibutyltin dilaurate (dbtdl) in coating curing: a comprehensive review abstract: dibutyltin dilaurate (dbtdl) is a widely employed organotin catalyst in various coating curing processes, particularly those involving isocyanates and polyols. its effectiveness stems from its ability to accelerate the urethane reaction, leading to the formation of durable and high-performance coatings. this...