applications of pc-8 rigid foam catalyst n,n-dimethylcyclohexylamine in polyurethane systems introduction polyurethane (pu) systems have revolutionized the world of materials, finding applications in everything from insulation to footwear. at the heart of these versatile materials is a complex chemistry that relies on catalysts to facilitate the reaction between isocyanates and polyols. one such catalyst, n,n-dimethylcyclohexylamine...