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2021 March

Polyurethane Explained

Generally speaking, polyurethanes are synthetic resins or plastics that result from a polyaddition reaction between dialcohols or polyols and polyisocyanates. This is the reaction that gives plastic its rubber-like qualities. The resin is usually a mixture of dichlorodiphenyltrichloroethane (DDT) and dichlorodiphenyltrichloroethane (DDPT). In most cases, this reaction also results in a polymer called dimethylene trichloroethane (DMTV)....