Noun
A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type.
Source: Webster's dictionaryEnamel paint sometimes is mixed with varnish or urethane to improve its shine and hardness. Source: Internet
If water is present in the reaction mixture (it is often added intentionally to make foams), the isocyanate reacts with water to form a urea linkage and carbon dioxide gas and the resulting polymer contains both urethane and urea linkages. Source: Internet
Factors affecting catalyst selection include balancing three reactions: urethane (polyol+isocyanate, or gel) formation, the urea (water+isocyanate, or "blow") formation, or the isocyanate trimerization reaction (e. Source: Internet
CN9761 by Sartomer Arkema Group is an aromatic urethane acrylate oligomer supplied in tripropyleneglycol diacrylate TPGDA. Source: Internet
Aliphatic polyester based urethane diacrylate oligomer blended with 25% isobornyl acrylate. Source: Internet
During the last two hundred years farrier science has developed steel, urethane, rubber, plastic and aluminum shoes. Source: Internet