The Use of Butyltin Tris(2-Ethylhexanoate) in Polyurethane Adhesive Formulations Introduction Imagine a world without glue—no sticky notes, no picture frames, no shoes that stay on your feet. Adhesives are the unsung heroes of modern materials science, quietly holding together everything from spacecraft to smartphones. Among these adhesives, polyurethane (PU) stands out as a versatile and...