Polyurethanes we meet everywhere, they play a crucial role in many industries - from shipbuilding to making shoes and cars. Polyurethanes are manifested in a huge variety of shapes, whose number is constantly growing. Rigid polyurethane foam is one of the most practical high-performance thermal insulation materials, which can be used in construction of buildings, and in the insulation of household refrigerators. Durable and comfortable mattresses, household seats and seats for cars are made of