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Sherwin-Williams



Polyurethane Coatings: A Brief Overview

From JPCL, August 2013

More items for Coating Materials

by Michael Praw, BASF Corporation

This article is the sixth installment of JPCL’s 2013 series on generic coatings types. The author gives a brief overview of polyurethanes, including their basic chemistry, their main properties, and some of their current uses as high-performance protective coatings....
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Tagged categories: Polyurethane

Comment from Gordon Kuljian, (9/12/2013, 11:32 AM)

Furthermore, I quote from the referenced article "A urethane is the result of the reaction between an isocyanate and an alcohol, and is also known as a carbamate. A polyurethane (PUR) is the reaction of a polyisocyanate and a polyol, forming a thermoset polymer. If an amine is used instead of a polyol, then a polyurea is formed instead of a polyurethane. Figure 1 shows the reactions." So the correct answer should be false.


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