news Enhancing Fire Retardancy in Polyurethane Foams with Trimethylaminoethyl Piperazine Enhancing Fire Retardancy in Polyurethane Foams with Trimethylaminoethyl Piperazine Polyurethane foa... 04/0530Enhancing Fire Retardancy in Polyurethane Foams with Trimethylaminoethyl Piperazine