Description
Polyurethanes.By far the majority of the 2.5 billion kg of adipic acid produced annually is used as monomer for the production of nylon by a polycondensation reaction with hexamethylene diamine forming 6,6-nylon. Other major applications also involve polymers: it is a monomer for production of Polyurethane and its esters are plasticizers, especially in PVC.In foodsSmall but significant amounts of adipic acid are used as a food ingredient as a flavorant and gelling aid. It is ironically used in some calcium carbonate antacids to make them tart.
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