
Polyurethane - Wikipedia
Polyurethane (/ ˌpɒliˈjʊərəˌθeɪn, - jʊəˈrɛθeɪn /; [1] often abbreviated as PUR and PU) is a class of polymers composed of organic units joined by carbamate (urethane) links. In contrast to other …
Polyurethane | Foam, Synthesis, Plastics | Britannica
Nov 27, 2025 · Polyurethane, any of a class of synthetic resinous, fibrous, or elastomeric compounds belonging to the family of organic polymers made by the reaction of diisocyanates (organic …
Polyurethane: What It Is, History, and How It’s Made | Xometry
Jun 7, 2024 · Polyurethane is a typical thermoset polymer compound characterized by durability, flexibility, toughness, and resistance to abrasion, acids/alkalis, solvents, and weathering. It is formed …
A comprehensive review of polyurethane: Properties, applications and ...
May 16, 2025 · Polyurethane (PU), an important polymeric material, has been widely utilized in numerous fields since its initial synthesis in 1937, owning to its distinctive molecular structure and …
Polyurethanes (PUs) have exceptional structure-property connections that make them very adaptable and useful in many contexts. Many studies have focused on improving PUs for specific applications …
What is polyurethane? - Polyurethanes
Polyurethanes were invented back in the 1930s by Professor Dr. Otto Bayer (1902-1982). There are various types of polyurethanes, which look and feel very different from each other. They are used in …
Polyurethane | Formula, Properties & Application
Explore the versatility of polyurethane – its structure, types, production process, applications, and environmental impacts. Polyurethane is a versatile and highly durable synthetic resin used in many …
Polyurethanes (PUR) • Plastics Europe
Polyurethane (PUR) is a resilient, flexible and durable manufactured material. There are various types of polyurethanes, which look and feel very different from each other.
Polyurethane - American Chemistry Council
What is Polyurethane? Polyurethanes are formed by reacting a polyol (an alcohol with more than two reactive hydroxyl groups per molecule) with a diisocyanate or a polymeric isocyanate in the presence …
Understanding Polyurethane: Composition and Applications
Polyurethane can be defined as a type of polymer composed of organic units joined by urethane links. It’s a synthetic compound synthesized through a chemical reaction between two primary …