news applications of tetramethylimidazolidinediylpropylamine (tmbpa) in accelerating polyurethane rigid foam expansion tetramethylimidazolidinediylpropylamine (tmbpa): a powerful catalyst for accelerating polyurethane r... 04/0773Applications of Tetramethylimidazolidinediylpropylamine (TMBPA) in Accelerating Polyurethane Rigid Foam Expansion