news n,n,n’,n”,n”-penmethyldipropylene triamine: an ideal water-based polyurethane catalyst option to facilitate green production n,n,n’,n”,n”-penmethyldipropylene triamine: an ideal water-based polyurethane catalyst option to fac... 03/1289N N”-Penmethyldipropylene triamine: an ideal water-based polyurethane catalyst option to facilitate green production