POLYURETHANE ELASTOMERS

Abstract

Brief history of noncellular urethane polymers obtained by reaction of diisocyanates with glycols; reaction mechanism of manufacture of polyurethane elastomer intermediates, namely, diisocyanates and polymeric intermediates; millable polyurethane elastomers divided into two groups-isocyanate curable, and sulfur and peroxide curable; properties of millable elastomers; formulations and characteristics of cast elastomers; thermoplastic polyurethane resins as well as elastomeric urethane fibers; soluble elastomers, their properties and application in coatings and adhesives; range of hardness and methods of fabrication of polyurethane elastomers.