news the role of tetramethyldipropylene triamine tmbpa in improving the softness and comfort of polyurethane elastomers tetramethyldipropylene triamine (tmbpa): a secret weapon to make polyurethane elastomers softer on t... 03/1386The role of tetramethyldipropylene triamine TMBPA in improving the softness and comfort of polyurethane elastomers