low-odor catalyst le-15: revolutionizing mattress and furniture foam production introduction flexible polyurethane (pu) foam is a ubiquitous material, finding extensive applications in mattresses, furniture, automotive seating, and insulation. the synthesis of flexible pu foam involves the reaction between polyols and isocyanates, catalyzed by tertiary amine and/or organotin compounds. traditionally, tertiary amine catalysts, while efficient in...