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Polyolefin vs. Polyurethane

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Polyolefinnoun

(chemistry) A polymer (such as polyethylene) made by the polymerization of an olefin

Polyurethanenoun

(organic chemistry) Any of various polymeric resins containing urethane links; used in very many industrial and domestic applications.

Polyolefinnoun

(chemistry) A polyene

Polyurethanenoun

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.

Polyolefin

A polyolefin is a type of polymer with the general formula (CH2CHR)n. They are derived from a handful of simple olefins (alkenes).

Polyurethanenoun

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

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Polyurethanenoun

a synthetic resin in which the polymer units are linked by urethane groups, used chiefly as constituents of paints, varnishes, adhesives, and foams

‘five coats of polyurethane’; ‘polyurethanes serve a variety of uses’;

Polyurethaneverb

coat with polyurethane paint or varnish

‘the sanded and polyurethaned floorboards’;

Polyurethane

Polyurethane (often abbreviated PUR and PU) is a polymer composed of organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane is produced from a wide range of starting materials (monomers) and is therefore a class of polymers, rather than a distinct compound.

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