Tris(3-dimethylaminopropyl)amine: The Secret Sauce Behind Tougher, Bouncier Shoe Soles By Dr. Sole Mover — Polymer Chemist & Self-Professed Foam Enthusiast Let’s talk about shoes. Not fashion, not comfort (well, maybe a little), but the chemistry hiding beneath your feet. Specifically, the unsung hero of durable polyurethane (PU) shoe soles: tris(3-dimethylaminopropyl)amine, or TDMAPA for those of...

