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Any of various thermoplastic isocyanate polymers, widely varying in flexibility, used in tough chemical-resistant coatings, adhesives, and foams.
(Elements & Compounds) a class of synthetic materials made by copolymerizing an isocyanate and a polyhydric alcohol and commonly used as a foam (polyurethane foam) for insulation and packing, as fibres and hard inert coatings, and in a flexible form (polyurethane rubber) for diaphragms and seals
pol•y•u•re•thane(ˌpɒl iˈyʊər əˌθeɪn)
a thermoplastic polymer containing the group NHCOO, used for padding and insulation in furniture, clothing, and packaging, in spandex fibers, and in the manufacture of resins.
Any of various resins used to make tough resistant coatings, adhesives, and electrical insulation.
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|Noun||1.||polyurethane - any of various polymers containing the urethane radical; a wide variety of synthetic forms are made and used as adhesives or plastics or paints or rubber|
polymer - a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers