polyurethane non-silicone surfactants for automotive interior components: a comprehensive overview ⅰ. introduction the automotive industry demands high-performance materials for interior components, focusing on durability, aesthetics, and comfort. polyurethane (pu) foams, coatings, and adhesives are widely used in various interior applications such as seating, dashboards, headliners, and door panels. surfactants play a crucial role in the...