Production of sulfonated amines

Details Production of sulfonated amines Production of sulfonated amines

1985-03-22

1987-07-21

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260509, C07C14358

Patent

active

046817107

ABSTRACT:
A process for the preparation of sulfonated aromatic amines starting with the corresponding aromatic amine sulfate salt which employes a rotating reactor in which there is maintained a rapidly moving heated cascading bed of solid particles composed largely of the final product whose temperature is above or brought above the rearrangement temperature. The reactants are fed to the bed at such a rate that the cascading movement of the bed is unaffected. The heat imparted to the amino hydrogen sulfate within the bed by the surrounding particles orient the desired rearrangement to take place along with the vaporization and elimination of water.

REFERENCES:
patent: 4435336 (1984-03-01), Emde et al.
Hall et al., C.A., 80, 82400u (1974).
Boehm et al., C.A., 77, 19379s (1972).
Kisel'nikov et al., C.A., 53, 4216d (1959).
Fiat Final Report No. 1313, 1948.

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