How DMAEE (Dimethyaminoethoxyethanol) Enhances the Performance of Polyurethane Hard Foams Introduction Polyurethane (PU) hard foams are ubiquitous in modern life, from insulation materials in buildings to packaging for fragile goods. These foams are prized for their excellent thermal insulation, low density, and mechanical strength. However, like any material, they have their limitations. One of the...