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toluene diisocyanate [1 record]

Record 1 1993-02-03

English

Subject field(s)
  • Chemical Elements and Compounds
  • Plastic Materials
Universal entry(ies)
CONT

Toluene diisocyanate is made by nitrating toluene to the dinitro compound, which is then reduced to the diamine, and treated with phosgene to obtain the diisocyanate .... [It] is widely used in the manufacture of urethane plastics, particularly the urethane foamed plastics.

OBS

There are two isomers: toluene-2,4-diisocyanate, the most common, and toluene-2,6-diisocyanate, an impurity. See also those records.

French

Domaine(s)
  • Éléments et composés chimiques
  • Matières plastiques
Entrée(s) universelle(s)
CONT

Les isocyanates [...] interviennent principalement dans la fabrication des mousses au polyuréthanne. Les deux principaux sont : - le toluène diisocyanate (TDI) utilisé pour la synthèse des mousses flexibles [...] - le diphénylméthane isocyanate (MDI) utilisé pour la synthèse de mousses rigides.

Spanish

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