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Что (кто) такое isocyanate - определение

SALT OR ESTER OF ISOCYANIC ACID

Diisocyanate; Isocyanates; Polyisocyanate; Isocyanate group

Polypropylene polybenzyl isocyanate

POLYMER

Polypropylene polybenzyl isocyanate

Polypropylene polybenzyl isocyanate (PPI), is a polyurea-based polymer derived from isocyanate monomers that is used in some glues, aerosol foams, plastics, paint and household products.

https://en.wikipedia.org/wiki/Polypropylene_polybenzyl_isocyanate

Blocked isocyanates

CLASS OF CHEMICAL COMPOUNDS

Draft:Blocked isocyanates

Blocked isocyanates are organic compounds that have their isocyanate functionality chemically blocked to control reactivity. They are the product of an isocyanate moiety (nearly always a di-isocyanate) and a suitable blocking agent.

https://en.wikipedia.org/wiki/Blocked_isocyanates

Polyurethane

POLYMER COMPOSED OF A CHAIN OF ORGANIC UNITS JOINED BY CARBAMATE (URETHANE) LINKS

POLYURETHAN; Polyurethanes; Polyurathane; Transparent polyurethane; Durethane; Isocyanate resin

Polyurethane (; often abbreviated PUR and PU) refers to a class of polymers 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.

https://en.wikipedia.org/wiki/Polyurethane

Википедия

Isocyanate

In organic chemistry, isocyanate is the functional group with the formula R−N=C=O. Organic compounds that contain an isocyanate group are referred to as isocyanates. An organic compound with two isocyanate groups is known as a diisocyanate. Diisocyanates are manufactured for the production of polyurethanes, a class of polymers.

Isocyanates should not be confused with cyanate esters and isocyanides, very different families of compounds. The cyanate (cyanate ester) functional group (R−O−C≡N) is arranged differently from the isocyanate group (R−N=C=O). Isocyanides have the connectivity R−N≡C, lacking the oxygen of the cyanate groups.

https://en.wikipedia.org/wiki/Isocyanate

Примеры употребления для isocyanate

1. The debate centers on a chemical called polymethylene polyphenyl isocyanate.

2. Environmental Protection Agency told the Santa Cruz Sentinel that polymethylene polyphenyl isocyanate was an inert ingredient in CheckMate.

3. Dangerous chemicals Among the chemicals already produced by mini–machines are hydrogen cyanide, phosgene, and methyl isocyanate, he wrote.

4. The EPA later said that was incorrect, and O‘Farrell said Friday he is satisfied that the chemical, polymethylene polyphenyl isocyanate, is not in the product.

5. A 1'84 leak of methyl isocyanate gas from a Bhopal pesticide plant run by a subsidiary of the U.S. chemical company Union Carbide killed at least 10,000 people and affected about 550,000 others.