the catalytic effect of 1-isobutyl-2-methylimidazole in polyurethane foam production abstract: polyurethane (pu) foams are versatile polymeric materials finding widespread application in various industries. the production of pu foam involves a complex reaction between polyol, isocyanate, and blowing agent, often requiring catalysts to optimize reaction kinetics and control foam morphology. this article delves into the catalytic...