application background of cs90 in food packaging materials term amine catalyst cs90 is a highly efficient catalyst widely used in plastics and polymer processing, especially in polyurethane (pu) foams, thermoplastic elastomers (tpes) and various composite materials. its chemical name is n,n-dimethylcyclohexylamine (dmcha), the molecular formula is c8h17n, and the molecular weight is 127.23 g/mol. as...