polyurethane

American  

[pol-ee-yoor-uh-theyn, -yoo-reth-eyn] / ˌpɒl iˈyʊər əˌθeɪn, -yʊˈrɛθ eɪn /

Also polyurethan

noun

Chemistry.

1. a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.

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polyurethane British  

/ ˌpɒlɪˈjʊərəˌθæn, ˌpɒlɪˈjʊərəˌθeɪn /

noun

1. 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

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polyurethane Scientific  

/ pŏl′ē-yr′ə-thān′ /

1. Any of various synthetic resins used to make tough resistant coatings, adhesives, foams, and electrical insulation.

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Etymology

Origin of polyurethane

First recorded in 1940–45; poly- + urethane

Example Sentences

To test this idea, Wu coated polyurethane devices with their adhesive and implanted them on the abdominal wall, colon, stomach, lung, or heart of rats.

From Science Daily

But environmental campaigners say the manufacture and export of polystyrene and polyurethane boards and neoprene wetsuits comes with a significant carbon footprint.

From BBC

In earlier studies, Russell E. Morris and colleagues examined the interface between a nickel-containing MOF and polyurethane.

From Science Daily

But it is already clear that the flames burned at a terrifying pace through a layer of polyurethane cladding, attached to the building under a very thin layer of aluminium.

From BBC

Oxford is now installing a new polyurethane surface at Iffley, where Sir Roger set that record 70 years ago.

From BBC