The polyurethane is a polymer extremely poured them it allows to obtain an immense range of products with characteristics and employs much various.

Polyurethanes are extremely versatile and are found all around us in many every day items.

Polyurethane is an organic polymer,  are formed by reacting a polyol with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives." - Alliance of The Polyurethane Industry Polyurethanes are best known to the public in the form of flexible foams: upholstery, mattresses, earplugs, chemical-resistant coatings, specialty adhesives and sealants, and packaging. It also comes to the rigid forms of insulation for buildings, water heaters, refrigerated transport, and commercial and residential refrigeration.

Otto Bayer and co-workers discovered and patented the chemistry of polyurethanes in 1937.