dioctyltin dilaurate as a catalyst in the production of polyurethane coatings introduction: a catalyst for change in the ever-evolving world of polymer chemistry, few compounds have played as pivotal a role in modern material science as dioctyltin dilaurate (dotl). known in chemical circles by its more technical name—bis(2-ethylhexyl) tin bis(laurate)—this organotin compound has become a...