SEPARATING TOLUENE DIISOCYANATE AND/OR HIGHER BOILING SOLVENTS FROM DISTILLATION RESIDUES OF THE TOLUENE DIISOCYANATE MANUFACTURE USING A FLUIDIZED BED

摘要

SEPARATING TOLUENE DIISOCYANATE AND/OR HIGHER BOILINGSOLVENTS FROM DISTILLATION RESIDUES OF THE TOLUENEDIISOCYANATE MANUFACTURE USING A FLUIDIZED BEDAbstract of the DisclosureA process for separating toluene diisocyanate and/orhigher boiling solvents from distillation residues obtainedfrom the phosgenation of toluene diamine in the presence ofsolvents wherein the separation takes place in a fluidized bedat temperatures of 140°C to 280°C.