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Isocyanate Prepolymer

What Does Isocyanate Prepolymer Mean?

An isocyanate prepolymer is a type of polyurethane prepolymer in which all of the polyol hydroxyl end groups have reacted with isocyanate groups. The end result is a compound with isocyanate functionality at the termini instead of hydroxyls. Isocyanate prepolymers increase the workability of polyurethane coating formulations by making them less volatile and more resistant to crystallization.

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Corrosionpedia Explains Isocyanate Prepolymer

Isocyanate prepolymers and their derivatives are used as raw materials in coatings, adhesives, sealants and other specialty products such as elastomers, 3D printing products, textiles and medical products. These prepolymers can be customized by material scientists to add a variety of desirable properties to the final coating product, including gloss, scratch resistance, hardness and flexibility.

Some of the most common applications of isocyanate prepolymer products include wood coatings, corrosion protection, floor coatings, elastic adhesives and flexible film adhesives.

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Materials SelectionCorrosionChemicalPreventative CoatingsSubstancesPaints and Plastics CoatingsCorrosion Prevention SubstanceCorrosion Prevention Substance CharacteristicsChemical CompoundCoatings

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