Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various thermoplastic isocyanate polymers, widely varying in flexibility, used in tough chemical-resistant coatings, adhesives, and foams.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) any polymer containing [-NH.CO.O-] linkages; such polymers are much used as the basis of light but rigid foams for packaging (polyurethane foam) and for hard coatings, as on floors.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry Any of various
polymeric resins containingurethane links; used in very manyindustrial anddomestic applications .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun 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
Etymologies
Sorry, no etymologies found.
Examples
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The combined seat, its bottom and back frame is a one-piece reinforced moulding upholstered in polyurethane foam.
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Seal the wood with three coats of clear gloss polyurethane, and a final coat of clear satin polyurethane.
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There is a type of material being analyzed, called polyurethane, of which shoes can be made, and its technology is already being studied.
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As the polyurethane, which is made from petroleum, degraded, the number of fungi increased as they digested the byproducts, showing that it was indeed the fungi that were breaking down the plastic.
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The fabric is then tripled coated with polyurethane, which is said to further increase overall strength and durability.
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At the core of their design is polyurethane, which is an elastic polymer that already has decent scratch resistance.
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While the jury is out on whether latex is completely biodegradable, it's certainly better than polyurethane, which is non-biodegradable.
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They often find overpaint tourch-ups that some restorer has done and some form of varnish or other coating, such as polyurethane or shellac, as well as surface dirt and cigarette smoke.
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They often find overpaint tourch-ups that some restorer has done and some form of varnish or other coating, such as polyurethane or shellac, as well as surface dirt and cigarette smoke.
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It now produces specialty plastics such as polyurethane, used in thousands of products ranging from mattresses to golf balls to tennis shoes.
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