Posts Tagged ‘Use and Preperation of Polyurethane’

• Properties, Use and Preparation of polyurethane

  May 26, 13 • 10417 Views • Notes • Top Coaching Institute • 2 Comments

  POLYURETHANE DEFINATION-: Polyurethane (PUR and PU) is a polymer composed of a chain of organic units joined by carbamate links. While most Polyurethane are thermosetting polymers that do not melt when heated . Polyurethane polymers are formed by reacting an