Process for distillation of crude isocyanate concentrates

Details Process for distillation of crude isocyanate concentrates Process for distillation of crude isocyanate concentrates

1990-06-01

1991-08-27

Siegel, Alan

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

Organic compounds

Isocyanate esters

C07C 7100

Patent

active

050434705

ABSTRACT:
A process is described for the separation and recovery of isocyanate monomers from isocyanate concentrates which leaves a residue which is liquid and burnable. The process for the separation and recovery of isocyanate monomers from isocyanate concentrates formed in the production of isocyanates and comprising a volatile isocyanate monomer and by-products comprises the steps of:

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