abstract: n,n-dimethylcyclohexylamine (dmcha) is a tertiary amine catalyst widely used in the production of polyurethane (pu) foams, coatings, adhesives, and elastomers. this article provides a comprehensive overview of dmcha’s properties, mechanism of action, and influence on the polyurethane reaction profile. it delves into the effects of dmcha concentration, reaction temperature, and formulation composition on the...