Polyurethane synthesis technology under catalytic action of N

polyurethane synthesis technology under catalyzed by n,n-dimethylcyclohexylamine 1. introduction polyurethane (pu) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc. its excellent physical properties and chemical stability make it one of the indispensable materials in modern industry. in the synthesis of polyurethane, the selection of catalyst is crucial.…