Process for the continuous preparation of monoisocyanates or pol

Details Process for the continuous preparation of monoisocyanates or pol Process for the continuous preparation of monoisocyanates or pol

1988-12-14

1992-05-26

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

C07C24900

Patent

active

051170485

ABSTRACT:
The present invention relates to a process for the continuous preparation of organic mono- or polyisocyanates by the reaction of the mono- or polyamines corresponding to the mono- or polyisocyanates with phosgene dissolved in an organic solvent. The phosgene solution and the amine component, optionally also in the form of a solution, are brought together inside a nozzle (1) by subjecting the stream of one component to a constriction (3) and supplying the other component into this constriction (3) from the side as partial streams through several apertures (5).

REFERENCES:
patent: 3226410 (1965-12-01), Hettich et al.
patent: 3507626 (1970-04-01), Horn
patent: 3947484 (1976-03-01), Mitrowsky et al.
patent: 4289732 (1981-09-01), Bauer et al.

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