Process for toluene diamine recovery

Details Process for toluene diamine recovery Process for toluene diamine recovery

1977-09-15

1979-01-30

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465H, 260582, C07C 8520, C07C 8526

Patent

active

041372662

ABSTRACT:
Toluene diamine is obtained by hydrolyzing the toluene diisocyanate distillation residue in the presence of aqueous ammonia.

REFERENCES:
patent: 3128310 (1964-04-01), Koch
patent: 3210395 (1965-10-01), McDougall
patent: 3331876 (1967-07-01), Van Horn et al.
patent: 4032574 (1977-06-01), Keshi et al.
Hackh's Chemical Dictionary, p. 26 (1969).
Sidgwick's Organic Chemistry of Nitrogen, p. 236, (1966).

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