2,2,4-Trimethyl-2-Silapiperidine: A Novel Catalyst for Sustainable Polyurethane Production Introduction Polyurethane (PU) is a versatile polymer that has found extensive applications in various industries, including automotive, construction, electronics, and consumer goods. Its unique properties, such as flexibility, durability, and resistance to chemicals, make it an indispensable material in modern manufacturing. However, the traditional production methods of...