Polyurethane



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

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.
/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
n.

1944, from polymer + urethane.
polyurethane
(pŏl’ē-yr’ə-thān’)
Any of various synthetic resins used to make tough resistant coatings, adhesives, foams, and electrical insulation.

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